QLONILIK clonidine hydrochloride .05 mg/mL Solution, 120 mL — NDC 46287-085-04 (Billing 46287-0085-04)
This is a package of 120 mL of QLONILIK clonidine hydrochloride .05 mg/mL Solution from CMP Pharma, Inc., marketed since Aug 2026 and currently FDA-listed. It is this product's only package size.
NDC database record
One package, one record: these facts belong to NDC 46287-085-04 alone.
- Record
- FDA NDC Directory package listing · Human prescription drug
- Code segments
- 46287 labeler · 085 product · 04 package
- Package marketed since
- Aug 28, 2026
- Sample package
- No — commercial package
- Listing certified through
- Dec 31, 2027
- Barcode (UPC)
- 0346287085041
- FDA record last changed
- Sep 17, 2026
Identity & classification
Regulatory identifiers FDA, NLM and CMS codes for this package
- RxCUI (RxNorm): 2750198
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 5, 2026
- RxNorm (NLM RxNav) · catalog refreshed Oct 1, 2026
- Medi-Span GPI (licensed)
- First Databank (licensed) · refreshed Oct 1, 2026
RxNorm drug class
This medicine belongs to the Central alpha-2 Adrenergic Agonist class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
Clinical
- It depends on the product. Tablets, oral solutions, Nexiclon XR and patches lower high blood pressure. Certain extended-release products treat ADHD. The epidural injection is used...
- No. Stopping suddenly can cause rebound high blood pressure, with headache, a racing heart, nervousness and anxiety. Your doctor will lower the dose gradually.
- Sleepiness is common. Don't drive or use heavy equipment until you know how it affects you. Avoid alcohol, and ask me before combining it with other sedating medicines.
- No. Extended-release clonidine tablets should be swallowed whole, not crushed, chewed or broken. They can be taken with or without food.
Patient education
Supplement & herbal interactions
Clonidine may be associated with lower levels of 1 nutrient — worth a chat with your pharmacist, not a cause for alarm.
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 5, 2026
Ask a licensed pharmacist directly — free, answered by our team.
Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per mL | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
Where does this data come from?
- CMS NADAC weekly file
- CMS ASP pricing files · refreshed Sep 20, 2026
- CMS Medicaid State Drug Utilization Data · refreshed Oct 5, 2026
- CMS Part D plan pricing files · refreshed Sep 24, 2026
- VA National Acquisition Center price file
Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Marketing end | Status |
|---|---|---|---|---|
| 46287-0085-04 You're viewing this Main listing | 120 mL in 1 BOTTLE | 2026-08-28 | — | Active |
Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Qlonilik .05 mg/mLthis 46287-0085-04 | CMP | 120 ml | — | — | FDA listed | — |
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Oct 3, 2026
- CMS NADAC weekly file
Availability & generic status
We did not find an FDA-approved generic match for this exact strength, form and route. Patent/protection dates below may affect future generic timing.
Why the date isn’t exact: Generic timing can change because patents may be challenged, settled, licensed, added, removed, or worked around with a narrower label — and FDA approval does not always mean a pharmacy can get the generic today.
🛈 What do these terms mean?
- Patent
- Legal protection listed in the Orange Book that may delay generic approval or launch. Issued by the U.S. Patent & Trademark Office.
- Substance patent
- Covers the active drug molecule itself — the hardest to design around. A generic generally can’t launch until it expires.
- Formulation (product) patent
- Covers a specific formulation or dosage form. A generic can sometimes work around it with a different formulation.
- Method-of-use patent
- A patent covering one specific approved use of the drug — not necessarily the whole molecule. A generic can sometimes launch with a “skinny label” that carves out the protected use and keeps the others.
- Skinny label
- A generic label that omits a still-patented use when the FDA allows it — letting a generic reach the market for the unprotected uses.
- Exclusivity
- FDA-granted marketing protection, separate from patents — e.g. 5-yr new chemical entity, 7-yr orphan drug, or a +6-month pediatric extension.
- Paragraph IV
- A generic applicant’s formal challenge to a listed patent. It can potentially lead to earlier generic entry, but often involves litigation or a settlement.
- RLD / RS
- Reference Listed Drug — the brand product the FDA uses as the reference for generic applications. Reference Standard — the product the FDA expects generics to compare against in bioequivalence testing.
- TE / AB rating
- FDA therapeutic-equivalence rating. An AB rating generally means the FDA considers a generic therapeutically equivalent to — and substitutable for — the brand.
- LOE (loss of exclusivity)
- The latest patent or exclusivity currently listed — the loss-of-exclusivity / latest-listed-protection date shown on this page. Paragraph-IV challenges and settlements can move the real date earlier; FDA approval and a manufacturer’s decision to market can move it later.
Built from the FDA Orange Book. The bars above are scaled to each protection’s expiry; the red LOE marker is the last one to lapse.
| Patent | Type | Use code | Expires |
|---|---|---|---|
| US 12551466 ↗ | Method of use | U-4581 | Aug 22, 2045 |
Is there a generic version of this drug?
The FDA approved a generic — why can’t I get it at my pharmacy yet?
Why do different websites show different generic release dates?
What does “FDA listed” mean?
What does a patent or protection date mean here?
What does “current Orange Book estimate” mean?
Can a generic come out before the last patent expires?
Can a generic come out after the listed dates?
What is the difference between patents and exclusivity?
Why are there multiple patent dates?
Where does this data come from?
- FDA Orange Book · refreshed Oct 3, 2026
Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
Where does this data come from?
IACT rows and label-wide narrative are kept separate; availability and product-level specificity depend on the submitted label.- FDA label on DailyMed · label index refreshed Oct 5, 2026
- FDA openFDA NDC Directory · synced Oct 1, 2026
Inactive ingredient FAQ
Are inactive ingredients the same for every manufacturer?
Why might an inactive ingredient be missing?
Can inactive ingredients matter?
Manufacturer & labeler
More NDCs from CMP Pharma, Inc. labeler code 46287
- Oracit Citric Acid and Sodium Citrate 640 mg/5mL; 490 mg/5mL Solution NDC 46287-014-01
- CaroSpir 25 mg/5mL Suspension NDC 46287-020-01
- ATORVALIQ 20 mg/5mL Suspension NDC 46287-030-01
- NORLIQVA amlodipine 1 mg/mL Solution NDC 46287-035-15
- NORLIQVA amlodipine 1 mg/mL Solution NDC 46287-037-01
- TADLIQ Tadalafil 20 mg/5mL Suspension NDC 46287-045-15
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- Drugs@FDA
Full prescribing information FDA SPL
🎯 Indications and Usage ▾
1 INDICATIONS AND USAGE QLONILIK TM (clonidine hydrochloride) oral solution is indicated for the treatment of hypertension, to lower blood pressure in adults. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of antihypertensive drugs from a wide variety of pharmacologic classes including this drug.
Control of high blood pressure should be part of comprehensive cardiovascular risk management, including, as appropriate, lipid control, diabetes management, antithrombotic therapy, smoking cessation, exercise, and limited sodium intake. Many patients will require more than one drug to achieve blood pressure goals. For specific advice on goals and management, see published guidelines, such as those of the American College of Cardiology/American Heart Association (ACC/AHA).
Numerous antihypertensive drugs, from a variety of pharmacologic classes and with different mechanisms of action, have been shown in randomized controlled trials to reduce cardiovascular morbidity and mortality, and it can be concluded that it is blood pressure reduction, and not some other pharmacologic property of the drugs, that is largely responsible for those benefits. The largest and most consistent cardiovascular outcome benefit has been a reduction in the risk of stroke, but reductions in myocardial infarction and cardiovascular mortality also have been seen regularly.
Elevated systolic or diastolic pressure causes increased cardiovascular risk, and the absolute risk increase per mmHg is greater at higher blood pressures, so that even modest reductions of severe hypertension can provide substantial benefit. Relative risk reduction from blood pressure reduction is similar across populations with varying absolute risk, so the absolute benefit is greater in patients who are at higher risk independent of their hypertension (for example, patients with diabetes or hyperlipidemia), and such patients would be expected to benefit from more aggressive treatment to a lower blood pressure goal.
Some antihypertensive drugs have smaller blood pressure effects (as monotherapy) in black patients, and many antihypertensive drugs have additional approved indications and effects (e.g., on angina, heart failure, or diabetic kidney disease). These considerations may guide selection of therapy. QLONILIK may be employed alone or concomitantly with other antihypertensive agents.
QLONILIK is a central alpha-2 adrenergic agonist indicated for the treatment of hypertension, to lower blood pressure in adults. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions. It may be employed alone or concomitantly with other antihypertensive agents.
( 1 )
⏱️ Dosage and Administration ▾
Dosage should be individualized based on response. The recommended initial dosage is 0.1 mg orally twice daily (morning and bedtime). ( 2 ) Titrate in increments of 0.1 mg per day at weekly intervals as necessary. Doses should be taken orally twice a day, with either an equal or higher split dosage taken at bedtime. ( 2 )
💊 Dosage Forms and Strengths ▾
3 DOSAGE FORMS AND STRENGTHS Oral Solution: 0.05 mg/mL clonidine hydrochloride; clear colorless solution with a raspberry flavor. Oral Solution: 0.05 mg/mL ( 3 )
⛔ Contraindications ▾
4 CONTRAINDICATIONS QLONILIK is contraindicated in patients with known hypersensitivity to clonidine. QLONILIK should not be used in patients with known hypersensitivity to clonidine. ( 4 )
⚠️ Warnings and Cautions ▾
5 WARNINGS AND PRECAUTIONS QLONILIK can cause bradycardia, cardiac conduction abnormalities, and symptomatic hypotension. ( 5.1 ) Abrupt discontinuation of QLONILIK can cause rebound hypertension with elevated plasma catecholamines, especially with higher doses or concomitant beta-blocker use. Symptoms of abrupt discontinuation include tachycardia, rapid blood pressure elevation, headache, nervousness, and agitation.
( 5.2 ) QLONILIK may cause sedation. Advise patients who engage in potentially hazardous activities, such as operating machinery or driving, of possible sedative effects. Avoid use with other central nervous system (CNS) depressants ( 5.3 )
5.1Bradycardia, Cardiac Conduction Abnormalities, and Symptomatic Hypotension Treatment with QLONILIK can cause bradycardia, cardiac conduction abnormalities, and symptomatic hypotension [see Adverse Reactions (6.1) ]. The sympatholytic action of clonidine may worsen sinus node dysfunction and atrioventricular (AV) block, especially in patients taking other sympatholytic drugs. There have been post-marketing reports of patients with conduction abnormalities and/or taking other sympatholytic drugs who developed severe bradycardia requiring intravenous (IV) atropine, IV isoproterenol, and temporary cardiac pacing while taking clonidine.
Titrate QLONILIK slowly in patients with a history of syncope, cardiac conduction abnormalities, and those with underlying conditions that may be worsened by hypotension and bradycardia; e.g., heart block, bradycardia, cardiovascular disease, vascular disease, cerebrovascular disease, or chronic renal failure. Monitor blood pressure and heart rate and adjust dosages accordingly in patients treated concomitantly with antihypertensives or other drugs that can reduce blood pressure or heart rate or increase the risk of syncope.
Avoid the use of drugs that can affect the sinus node function or AV node conduction [see Drug Interactions (7) ]. In patients who have a history of syncope or may have a condition that predisposes them to syncope, such as symptomatic hypotension, bradycardia, or dehydration, advise patients to avoid becoming dehydrated or overheated.
5.2Rebound Hypertension Abrupt discontinuation of QLONILIK can cause rebound hypertension with elevated plasma catecholamines, especially with higher doses or concomitant beta-blocker use. Symptoms of abrupt discontinuation include tachycardia, rapid blood pressure elevation, headache, nervousness, and agitation. Serious cases of hypertensive encephalopathy, stroke, and death have been reported after abrupt clonidine discontinuation.
To reduce the risk of rebound hypertension, taper clonidine gradually over 2-4 days. If rebound hypertension occurs, reverse hypertensive crisis with oral clonidine or IV phentolamine. When discontinuing concurrent beta-blocker therapy, withdraw the beta-blocker several days before beginning clonidine taper.
Administration of QLONILIK should be continued up to 4 hours before surgery and resumed as soon as possible thereafter. Blood pressure should be carefully monitored during surgery and additional measures to control blood pressure should be available if required.
5.3Sedation and Somnolence QLONILIK may cause sedation. Patients who engage in potentially hazardous activities, such as operating machinery or driving, should be advised of possible sedative effects of clonidine. Avoid use with other central nervous system (CNS) depressants, as this combination may cause excessive drowsiness or sedation [see Drug Interactions (7) ].
🤒 Adverse Reactions ▾
6 ADVERSE REACTIONS Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Most adverse effects are mild and tend to diminish with continued therapy. The most frequent (which appear to be dose-related) are dry mouth (40%), drowsiness (33%); dizziness (16%); constipation and sedation (10%, respectively).
The following less frequent adverse experiences have also been reported in patients receiving clonidine hydrochloride tablets, but in many cases patients were receiving concomitant medication and a causal relationship has not been established. Body as a Whole: Fatigue, headache, pallor, malaise, weakness, and withdrawal syndrome. Cardiovascular: Bradycardia, congestive heart failure, electrocardiographic abnormalities (i.e., sinus node arrest, junctional bradycardia, high degree AV block and arrhythmias), orthostatic symptoms, palpitations, syncope, and tachycardia.
Central Nervous System: Agitation, anxiety, delirium, hallucinations (including visual and auditory), insomnia, mental depression, behavioral changes, paresthesia, sleep disorder, and vivid dreams or nightmares. Gastrointestinal: Anorexia, constipation, nausea, and vomiting. Hematologic: Thrombocytopenia.
Hepatobiliary: Hepatitis and transaminitis. Hypersensitivity: Angioedema, hives, pruritus, rash, and urticaria. Metabolic: Transient elevation of blood glucose or serum creatine phosphokinase, and weight gain.
Musculoskeletal: Leg cramps and muscle or joint pain. Ophthalmological: Accommodation disorder, blurred vision, burning of the eyes, decreased lacrimation, and dryness of eyes. Renal and Urinary: Difficulty in micturition, nocturia, and urinary retention.
Reproductive System and Breast Disorders: Gynecomastia. erectile dysfunction, and loss of libido. Vascular: Raynaud’s phenomenon. Most common adverse reactions are dry mouth, drowsiness, dizziness, constipation and sedation.
( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact CMP Pharma, Inc. at 1-844-321-1443 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
🔄 Drug Interactions ▾
7 DRUG INTERACTIONS The interactions of QLONILIK with co-administration of other drugs have not been studied. The drug interaction data provided in this section is based on oral immediate-release clonidine formulations. Table 1 displays clinically important drug interactions with QLONILIK.
Table 1: Clinically Important Drug Interactions with QLONILIK. Antihypertensive drugs Clinical Implication Concomitant use of antihypertensive drugs with clonidine potentiates the hypotensive effects of clonidine [see Warnings and Precautions (5.1) ]. Intervention Monitor blood pressure and heart rate, and adjust dosage of QLONILIK accordingly in patients treated concomitantly with antihypertensives CNS depressants Clinical Implication Concomitant use of CNS depressants with clonidine potentiates the sedating effects [see Warnings and Precautions (5.3) ].
Intervention Avoid concomitant use of CNS depressants with QLONILIK. Drugs that affect sinus node function or AV node conduction (e.g., digitalis, calcium channel blockers, beta blockers) Clinical Implication Concomitant use of drugs that affect sinus node function or AV node conduction with clonidine potentiate bradycardia and risk of AV block [see Warnings and Precautions (5.1) ]. Intervention Avoid concomitant use of drugs that affect sinus node function or AV node conduction with QLONILIK.
Tricyclic antidepressants Clinical Implication Concomitant use of tricyclic antidepressants with clonidine can increase blood pressure and may counteract the hypotensive effects of clonidine. Intervention Monitor blood pressure and adjust dosage of QLONILIK as needed. Concomitant use of antihypertensive drugs with clonidine potentiates the hypotensive effects of clonidine.( 7 ) Concomitant use of CNS depressants with clonidine potentiates the sedating effects.
( 7 ) Concomitant use of drugs that affect sinus node function or AV node conduction with clonidine potentiate bradycardia and risk of AV block. ( 7 ) Concomitant use of tricyclic antidepressants with clonidine can increase blood pressure and may counteract the hypotensive effects of clonidine. ( 7 )
👥 Use in Specific Populations ▾
8 USE IN SPECIFIC POPULATIONS
8.1Pregnancy Risk Summary Prolonged experience with clonidine in pregnant women over several decades, based on published literature, including controlled trials, a retrospective cohort study and case reports, have not identified a drug associated risk of major birth defects, miscarriage, adverse maternal or fetal outcomes. In animal embryofetal studies, increased resorptions were seen in rats and mice administered oral clonidine hydrochloride from implantation through organogenesis at approximately 2 times the maximum recommended human dose (MRHD) (see Data ).
The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriages in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.
Data Animal Data Oral administration of clonidine hydrochloride to pregnant rabbits during the period of embryo/fetal organogenesis at doses of up to 0.08 mg/kg/day (approximately 0.6 times the oral maximum recommended human dose [MRHD] of 2.4 mg/day on a mg/m 2 basis) produced no developmental effects. In pregnant rats, however, doses as low as 0.015 mg/kg/day (~1/16 the oral MRHD on a mg/m 2 basis) were associated with increased resorptions in a study in which dams were treated continuously from 2 months prior to mating and throughout gestation.
Increased resorptions were not associated with treatment at the same or at higher dose levels when treatment of the dams was restricted to gestation days 6-15. Increases in resorptions were observed in both rats and mice at 0.5 mg/kg/day (2 and 1 times the MRHD on a mg/m 2 basis in rats and mice, respectively) or higher when the animals were treated on gestation days 1-14; 0.5 mg/kg/day was the lowest dose employed in this study.
8.2Lactation Based on published lactation studies, clonidine hydrochloride is present in human milk at relative infant doses ranging from 4.1 to 8.4% of the maternal weight-adjusted dosage. Although in most cases, there were no reported adverse effects in breastfed infants exposed to clonidine, there is one case report of sedation, hypotonia, and apnea in an infant exposed to clonidine through breast milk. If an infant is exposed to clonidine hydrochloride through breastmilk, monitor for symptoms of hypotension and bradycardia, such as sedation, lethargy, tachypnea and poor feeding ( see Clinical Considerations ).
The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for QLONILIK and any potential adverse effects on the breastfed child from clonidine or from the underlying maternal condition. Exercise caution when QLONILIK is administered to a nursing woman. Clinical Considerations Monitor breastfeeding infants exposed to QLONILIK through breast milk for symptoms of hypotension and/or bradycardia such as sedation, lethargy, tachypnea, and poor feeding.
8.4Pediatric Use Safety and effectiveness in pediatric patients have not been established.
8.6Renal Impairment The half-life of clonidine increases in patients with renal impairment [see Clinical Pharmacology (12.3) ]. Patients with renal impairment may start from a lower dose. Since only a minimal amount of clonidine is removed during routine hemodialysis, there is no need to give supplemental QLONILIK following dialysis.
🤰 Pregnancy ▾
8.1Pregnancy Risk Summary Prolonged experience with clonidine in pregnant women over several decades, based on published literature, including controlled trials, a retrospective cohort study and case reports, have not identified a drug associated risk of major birth defects, miscarriage, adverse maternal or fetal outcomes. In animal embryofetal studies, increased resorptions were seen in rats and mice administered oral clonidine hydrochloride from implantation through organogenesis at approximately 2 times the maximum recommended human dose (MRHD) (see Data ).
The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriages in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.
Data Animal Data Oral administration of clonidine hydrochloride to pregnant rabbits during the period of embryo/fetal organogenesis at doses of up to 0.08 mg/kg/day (approximately 0.6 times the oral maximum recommended human dose [MRHD] of 2.4 mg/day on a mg/m 2 basis) produced no developmental effects. In pregnant rats, however, doses as low as 0.015 mg/kg/day (~1/16 the oral MRHD on a mg/m 2 basis) were associated with increased resorptions in a study in which dams were treated continuously from 2 months prior to mating and throughout gestation.
Increased resorptions were not associated with treatment at the same or at higher dose levels when treatment of the dams was restricted to gestation days 6-15. Increases in resorptions were observed in both rats and mice at 0.5 mg/kg/day (2 and 1 times the MRHD on a mg/m 2 basis in rats and mice, respectively) or higher when the animals were treated on gestation days 1-14; 0.5 mg/kg/day was the lowest dose employed in this study.
🧒 Pediatric Use ▾
8.4Pediatric Use Safety and effectiveness in pediatric patients have not been established.
8.6Renal Impairment The half-life of clonidine increases in patients with renal impairment [see Clinical Pharmacology (12.3) ]. Patients with renal impairment may start from a lower dose. Since only a minimal amount of clonidine is removed during routine hemodialysis, there is no need to give supplemental QLONILIK following dialysis.
🆘 Overdosage ▾
10 OVERDOSAGE Hypertension may develop early and may be followed by hypotension, bradycardia, respiratory depression, hypothermia, drowsiness, decreased or absent reflexes, weakness, irritability and miosis. The frequency of CNS depression may be higher in pediatric patients than adults. Large overdoses may result in reversible cardiac conduction defects or dysrhythmias, apnea, coma and seizures.
Signs and symptoms of overdose generally occur within 30 minutes to two hours after exposure. Dialysis is not likely to significantly enhance the elimination of clonidine.
🧬 Clinical Pharmacology ▾
12 CLINICAL PHARMACOLOGY
12.1Mechanism of Action Clonidine stimulates alpha-adrenoreceptors in the brain stem. This action results in reduced sympathetic outflow from the central nervous system and in decreases in peripheral resistance, renal vascular resistance, heart rate, and blood pressure.
12.2Pharmacodynamics The patient's blood pressure declines within 30 to 60 minutes after an oral dose, the maximum decrease occurring within 2 to 4 hours. Renal blood flow and glomerular filtration rate remain essentially unchanged. Normal postural reflexes are intact; therefore, orthostatic symptoms are mild and infrequent.
The antihypertensive effect is reached at plasma concentrations between about 0.2 and 2.0 ng/mL in patients with normal excretory function. A further rise in the plasma levels will not enhance the antihypertensive effect. Acute studies with clonidine hydrochloride in humans have demonstrated a moderate reduction (15% to 20%) of cardiac output in the supine position with no change in the peripheral resistance: at a 45° tilt there is a smaller reduction in cardiac output and a decrease of peripheral resistance.
During long term therapy, cardiac output tends to return to control values, while peripheral resistance remains decreased. Slowing of the pulse rate has been observed in most patients given clonidine, but the drug does not alter normal hemodynamic response to exercise. Tolerance to the antihypertensive effect may develop in some patients, necessitating a reevaluation of therapy.
Other studies in patients have provided evidence of a reduction in plasma renin activity and in the excretion of aldosterone and catecholamines. The exact relationship of these pharmacologic actions to the antihypertensive effect of clonidine has not been fully elucidated.
12.3Pharmacokinetics The pharmacokinetics of clonidine is dose-proportional in the range of 0.1 to 0.6 mg. Absorption The absolute bioavailability of clonidine following oral administration is 70% to 80%. The median (range) time to peak plasma concentrations (Tmax) following oral administration of 50 µg/mL QLONILIK solution under fasting condition was 2 hours (0.75 hour to 8 hours).
Effect of food Food had no effect on plasma exposure of clonidine after administration of QLONILIK. Distribution Following intravenous administration, clonidine displays biphasic disposition with a distribution half-life of about 20 minutes. Clonidine crosses the placental barrier.
Elimination Elimination half-life ranges from 12 to 16 hour. Metabolism About 50% of the absorbed dose is metabolized in the liver. Excretion Following oral administration, about 40% to 60% of the absorbed dose is recovered in the urine as unchanged drug in 24 hours.
Specific Populations Patients with Renal Impairment The half-life increases up to 41 hours in patients with severe impairment of renal function. Clonidine is minimally removed during hemodialysis.
🧬 Mechanism of Action ▾
12.1Mechanism of Action Clonidine stimulates alpha-adrenoreceptors in the brain stem. This action results in reduced sympathetic outflow from the central nervous system and in decreases in peripheral resistance, renal vascular resistance, heart rate, and blood pressure.
📦 How Supplied / Storage and Handling ▾
16 HOW SUPPLIED/STORAGE AND HANDLING QLONILIK (clonidine hydrochloride) Oral Solution, 0.05 mg/mL is a clear, colorless solution with a raspberry flavor filled in a white, opaque HDPE bottle with a child-resistant closure containing 120 mL of the oral solution. NDC 46287-085-04 Store at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature] . Store and dispense in the original container.
Discard unused portion 60 days after first opening.
📋 Description ▾
11 DESCRIPTION QLONILIK contains clonidine, a central alpha-2 adrenergic agonist, available as a solution for oral administration. Clonidine hydrochloride is an imidazoline derivative and exists as a mesomeric compound. The chemical name is 2-(2,6-dichlorophenylamino)-2-imidazoline hydrochloride.
The molecular formula for clonidine hydrochloride is C 9 H 9 Cl 2 N 3 ·HCl and the molecular weight is 266.55 g/mol. The following is the structural formula: Clonidine hydrochloride USP is an odorless, bitter, white, crystalline substance soluble in water and alcohol. QLONILIK TM (clonidine hydrochloride) Oral Solution is a clear, colorless solution for oral administration.
Each mL contains 0.05 mg clonidine hydrochloride (equivalent to 0.043 mg clonidine) and the following inactive ingredients: methylparaben, propylene glycol, propylparaben, purified water, raspberry flavor, sodium phosphate dibasic dihydrate, sodium phosphate monobasic dihydrate, and sucralose. Chemical Structure
💬 Information for Patients ▾
17 PATIENT COUNSELING INFORMATION Sedation and Somnolence Advise patients not to interrupt QLONILIK therapy without consulting their physician. They should be cautious of potential sedative effects, dizziness, or accommodation issues and avoid activities such as driving or operating machinery. Additionally, advise patients that the sedative effects may be increased by the use of alcohol, barbiturates, or other sedating drugs. [see Drug Interactions (7) and Warnings and Precautions (5.3) ].
Rebound Hypertension Advise patients not to discontinue Clonidine therapy without consulting their physician, as sudden cessation can cause symptoms like tachycardia, rapid blood pressure elevation, headache, nervousness and agitation. The risk is higher with higher doses or ongoing beta-blocker use. [see Warnings and Precautions (5.2) ]. Bradycardia, cardiac conduction abnormalities, and symptomatic hypotension Advise patients who have a history of syncope or may have a condition that predisposes them to syncope, such as symptomatic hypotension, bradycardia, or dehydration, to avoid becoming dehydrated or overheated.
Administration Information Instruct patients or caregivers to use an oral dosing syringe or oral dosing cup to correctly measure the prescribed amount of medication. Inform patients that oral dosing syringes may be obtained from their pharmacy. Distributed by: CMP Pharma, Inc.
Farmville, NC 27828 3109 R0826
🧬 Pharmacokinetics ▾
12.3Pharmacokinetics The pharmacokinetics of clonidine is dose-proportional in the range of 0.1 to 0.6 mg. Absorption The absolute bioavailability of clonidine following oral administration is 70% to 80%. The median (range) time to peak plasma concentrations (Tmax) following oral administration of 50 µg/mL QLONILIK solution under fasting condition was 2 hours (0.75 hour to 8 hours).
Effect of food Food had no effect on plasma exposure of clonidine after administration of QLONILIK. Distribution Following intravenous administration, clonidine displays biphasic disposition with a distribution half-life of about 20 minutes. Clonidine crosses the placental barrier.
Elimination Elimination half-life ranges from 12 to 16 hour. Metabolism About 50% of the absorbed dose is metabolized in the liver. Excretion Following oral administration, about 40% to 60% of the absorbed dose is recovered in the urine as unchanged drug in 24 hours.
Specific Populations Patients with Renal Impairment The half-life increases up to 41 hours in patients with severe impairment of renal function. Clonidine is minimally removed during hemodialysis.
🧬 Pharmacodynamics ▾
12.2Pharmacodynamics The patient's blood pressure declines within 30 to 60 minutes after an oral dose, the maximum decrease occurring within 2 to 4 hours. Renal blood flow and glomerular filtration rate remain essentially unchanged. Normal postural reflexes are intact; therefore, orthostatic symptoms are mild and infrequent.
The antihypertensive effect is reached at plasma concentrations between about 0.2 and 2.0 ng/mL in patients with normal excretory function. A further rise in the plasma levels will not enhance the antihypertensive effect. Acute studies with clonidine hydrochloride in humans have demonstrated a moderate reduction (15% to 20%) of cardiac output in the supine position with no change in the peripheral resistance: at a 45° tilt there is a smaller reduction in cardiac output and a decrease of peripheral resistance.
During long term therapy, cardiac output tends to return to control values, while peripheral resistance remains decreased. Slowing of the pulse rate has been observed in most patients given clonidine, but the drug does not alter normal hemodynamic response to exercise. Tolerance to the antihypertensive effect may develop in some patients, necessitating a reevaluation of therapy.
Other studies in patients have provided evidence of a reduction in plasma renin activity and in the excretion of aldosterone and catecholamines. The exact relationship of these pharmacologic actions to the antihypertensive effect of clonidine has not been fully elucidated.
🧪 Nonclinical Toxicology ▾
13 NONCLINICAL TOXICOLOGY
13.1Carcinogenesis, Mutagenesis, Impairment of Fertility Chronic dietary administration of clonidine was not carcinogenic to rats (132 weeks) or mice (78 weeks) dosed, respectively, at up to 2 or 1 times the MRHD on a mg/m 2 basis. There was no evidence of genotoxicity in the Ames test for mutagenicity or mouse micronucleus test for clastogenicity. Fertility of female rats appeared to be affected at dose levels of 0.5 and 2.0 mg/kg/day (2 to 8 times the MRHD on a mg/m 2 basis).
Lower doses have not been adequately evaluated and a no adverse effect level could not be established.
📄 Carcinogenesis, Mutagenesis, Impairment of Fertility ▾
13.1Carcinogenesis, Mutagenesis, Impairment of Fertility Chronic dietary administration of clonidine was not carcinogenic to rats (132 weeks) or mice (78 weeks) dosed, respectively, at up to 2 or 1 times the MRHD on a mg/m 2 basis. There was no evidence of genotoxicity in the Ames test for mutagenicity or mouse micronucleus test for clastogenicity. Fertility of female rats appeared to be affected at dose levels of 0.5 and 2.0 mg/kg/day (2 to 8 times the MRHD on a mg/m 2 basis).
Lower doses have not been adequately evaluated and a no adverse effect level could not be established.
📄 Package Label / Principal Display Panel ▾
PRINCIPAL DISPLAY PANEL - Clonidine Hydrochloride Oral Solution, 0.05 mg/mL 120 mL Rx only NDC 46287-085-04 QLONILIK TM (clonidine hydrochloride) oral solution 0.05 mg/mL PRINCIPAL DISPLAY PANEL - Bottle Label
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