Clonidine
Clonidine is a blood pressure–lowering medication used across several products to treat high blood pressure, ADHD in children, and severe cancer pain.
🧬 Where this information comes from Click to expand
The clinical label records used on this page are FDA-filed Structured Product Labeling (SPL) retrieved through openFDA. We identified 132 clinical label sets within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. Forms, routes, brands, labelers, strengths, and NDC product-record counts are built separately from matching FDA National Drug Code Directory records. The linked DailyMed document is a representative official source for verification, not the page’s only clinical source. View the linked label on DailyMed →
📖 Clonidine: Patient Information Guide
A plain-language walkthrough of Clonidine — what it treats, how it works, how it’s taken, side effects, warnings and interactions. Tap any section to expand it.
🎯What it's used for▾
Clonidine is used across several different products and formulations for distinct medical conditions.
- High blood pressure (hypertension): Clonidine Hydrochloride tablets, Javadin oral solution, Nexiclon XR extended-release tablets, and Catapres-TTS skin patches are all approved to lower blood pressure in adults — alone or alongside other antihypertensive medicines. Lowering blood pressure reduces the risk of stroke and heart attack.
- ADHD in children and adolescents (ages 6–17): Onyda XR extended-release oral suspension and clonidine hydrochloride extended-release tablets (including Kapvay) are approved to treat ADHD as a standalone therapy or added to stimulant medications.
- Severe cancer pain: Duraclon and other clonidine injection products are approved — in combination with opioid pain medicines — for severe cancer pain that opioids alone cannot adequately control. This use is specifically for a carefully selected group of cancer patients.
⚙️How it works▾
Clonidine works by stimulating alpha-2 adrenergic receptors in the brainstem — essentially activating a calming switch in the nervous system. This reduces the outflow of nerve signals that would otherwise keep blood vessels tight and the heart rate elevated, resulting in lower blood pressure, lower heart rate, and reduced resistance in blood vessels. For ADHD, the exact mechanism is not known, and clonidine is not a stimulant.
💊How it's taken▾
How clonidine is taken depends entirely on the product and condition being treated. Oral tablets and solutions are generally taken twice daily, often with a larger dose at bedtime. Extended-release forms are taken once or twice daily and must be swallowed whole — never crushed or chewed. Skin patches are applied once a week to a hairless area of skin. Injections for cancer pain are given by a healthcare team via continuous epidural infusion.
- Clonidine can be taken with or without food (for most oral forms).
- Do not swap between different clonidine products or formulations without medical guidance — the way your body absorbs them differs meaningfully.
- Never stop clonidine suddenly; your dose should always be reduced gradually to avoid a rebound rise in blood pressure.
🤒Side effects — in detail▾
The most common side effects of clonidine include:
- Drowsiness or sedation (very common, especially early in treatment)
- Fatigue or low energy
- Dry mouth
- Dizziness
- Constipation
- Irritability
- Trouble sleeping (insomnia)
- Nightmares
- Decreased appetite (when used with stimulants for ADHD)
More serious reactions that require prompt medical attention include a very slow heart rate (bradycardia), unusually low blood pressure, fainting, heart rhythm changes, or severe allergic reactions (widespread rash, hives, or facial swelling). Do not stop the medicine abruptly, as this can cause a dangerous rebound spike in blood pressure.
⚠️Warnings & precautions▾
- Rebound hypertension: Stopping clonidine suddenly — especially at higher doses — can cause a rapid, dangerous rise in blood pressure, along with headache, nervousness, and a fast heart rate. Always taper the dose gradually as directed by your doctor.
- Low blood pressure and slow heart rate: Clonidine can lower blood pressure and heart rate in a dose-related way. People with heart block, a history of fainting, dehydration, cardiovascular disease, or kidney disease are at higher risk and need closer monitoring.
- Drowsiness and sedation: Sedation is very common. Avoid driving or operating machinery until you know how clonidine affects you. The risk is higher when combined with alcohol, sedatives, or other CNS depressants.
- Heart conduction abnormalities: Clonidine can worsen slow heart rate and heart block (a disruption in the heart's electrical system), particularly in people also taking other heart-rate–slowing drugs. Severe cases have required emergency treatment.
- Allergic reactions: People who have had a skin reaction to the clonidine patch may also react to oral clonidine. Generalized rash, hives, or swelling of the face or throat are signs of a serious allergic reaction.
🔀What it interacts with▾
Clonidine can interact with several types of medicines and substances — tell your prescriber and pharmacist about everything you take.
- Other blood pressure medicines: Combining these with clonidine can lower blood pressure too much, increasing the risk of dizziness and fainting.
- CNS depressants (sedatives, sleep aids, phenothiazines, barbiturates, benzodiazepines): These add to clonidine's sedating effects, increasing drowsiness and accident risk.
- Alcohol: Alcohol worsens clonidine's sedating effects; avoid combining them.
- Tricyclic antidepressants (e.g., amitriptyline, nortriptyline): These can raise blood pressure and reduce clonidine's ability to control it.
- Digoxin, beta-blockers, and calcium channel blockers: These slow the heart on their own; combined with clonidine they can cause dangerously slow heart rate or heart block.
This is not a complete list of interactions. Always talk with your doctor or pharmacist before starting, stopping, or changing any medication.
📋Before taking it▾
- Allergy to clonidine: Do not take clonidine if you have had a previous allergic reaction to it — this is a contraindication.
- Heart rhythm or conduction problems: Tell your doctor about any history of sinus node dysfunction, heart block, or very slow heart rate before starting.
- History of fainting or low blood pressure: Stay well hydrated and avoid overheating; these conditions raise the risk of fainting on clonidine.
- Kidney disease: Clonidine is partly cleared by the kidneys; people with significant kidney impairment need a lower starting dose and careful monitoring.
- Pregnancy: Published human data have not identified a clear risk of major birth defects, but discuss with your doctor. There is a pregnancy exposure registry for ADHD medications including clonidine.
- Breastfeeding: Clonidine passes into breast milk. Breastfed infants should be monitored for sedation, poor feeding, or breathing changes.
- Children under 6: Safety and effectiveness for ADHD have not been established in children under age 6.
- Older adults: Elderly patients may be more sensitive to blood pressure and heart rate effects and may benefit from a lower starting dose.
- Fertility: Animal studies suggest clonidine may affect fertility in both males and females; discuss this with your doctor if you are planning a pregnancy.
🚑If you take too much▾
Too much clonidine can cause a drop in blood pressure, very slow heart rate, extreme drowsiness, weak or absent reflexes, and slowed breathing — and in large overdoses, seizures, coma, or heart rhythm problems. Children are particularly vulnerable; even a small amount can be toxic in a young child. There is no specific antidote, so treatment focuses on supportive care, and you should call Poison Control or go to an emergency room immediately if overdose is suspected.
📡Pharmacodynamics — effects in the body▾
Clonidine is an antihypertensive (blood pressure–lowering) drug. By activating alpha-2 adrenergic receptors in the brainstem, it reduces the outflow of nerve signals that keep blood vessels constricted and the heart beating quickly. The result is lower peripheral resistance (less tension in the blood vessel walls), lower renal vascular resistance, a slower heart rate, and reduced blood pressure.
🔬Pharmacokinetics — how your body processes it▾
After an oral immediate-release dose, clonidine reaches peak blood levels in about 3 to 5 hours and stays in the body for 12 to 16 hours (its half-life — the time for half the drug to clear). Extended-release oral forms peak later and at lower levels than immediate-release — the two are not interchangeable on a milligram-for-milligram basis. About 40–60% of an oral dose leaves the body unchanged in urine within 24 hours, and roughly half is broken down by the liver. In people with severe kidney disease, the half-life can extend up to 41 hours, meaning the drug stays in the body much longer and dose adjustments are needed.
📦How to store it▾
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) . Protect from light. Store and dispense ONYDA XR in the original bottle.
📄 Written from Clonidine’s FDA-approved label information, summarized in plain language with AI, and reviewed by our pharmacy team before publication. Every point is grounded in that labeling — nothing is invented. How we use AI →
Supplements & herbs that interact with Clonidine
138 supplements and herbal products have documented interactions with Clonidine in the licensed clinical database we use. Most are manageable — but your pharmacist should know about everything you take, including vitamins and herbals.
- Major · 4
- Moderate · 113
- Minor · 21
Educational information from a licensed clinical database (Natural Medicines) — see our data sources & update cadence. Not medical advice: an interaction being documented does not mean it will happen to you; do not start or stop medications or supplements without professional guidance.
Nutrient depletion considerations
Clonidine has been associated with lower levels of 1 nutrient in the clinical literature. This does not mean a deficiency will occur — it means these may be worth discussing with your pharmacist or healthcare provider, especially with long-term use.
Educational information from a licensed clinical database (Natural Medicines) — not medical advice. Do not start or stop medications or supplements without professional guidance.
🩺 Pharmacist Counseling Corner
Quick, plain-English answers to the questions patients ask most about Clonidine — the kind of thing our pharmacy team would talk through with you at the counter.
What exactly is clonidine used for — I've seen it mentioned for totally different things? ▾
Will clonidine make me too sleepy to function? ▾
Can I just stop taking clonidine if I feel like I don't need it anymore? ▾
Are there any medicines or supplements I should avoid while taking clonidine? ▾
Is clonidine safe to take during pregnancy or while breastfeeding? ▾
My child was just prescribed clonidine for ADHD — what should I watch for? ▾
Is Clonidine available over the counter? ▾
When was Clonidine first available? ▾
Who makes Clonidine? ▾
💬 Answers drafted from Clonidine’s FDA-approved label information, summarized in plain language with AI, and reviewed by our pharmacy team before publication. Grounded in that labeling — nothing is made up. How we use AI →
🧰 Keep exploring
💊 How Clonidine comes
Clonidine is available in 6 forms. Different forms and brands can have different approved uses, doses, schedules, and directions. Follow the instructions for your exact product, and do not switch forms without guidance from your prescriber or pharmacist.
Tablet
How this form is used
- Clonidine Hydrochloride tablets are used to treat high blood pressure in adults
- Clonidine Hydrochloride tablets may be used alone or with other blood pressure medicines
- Clonidine Hydrochloride tablets are taken by mouth, typically twice daily (morning and bedtime)
- Taking the larger portion of the daily dose at bedtime may help reduce dry mouth and daytime drowsiness
- Dose is adjusted based on individual blood pressure response; patients with kidney disease should start at a lower dose
- Do not stop taking Clonidine Hydrochloride tablets suddenly without talking to your doctor
Skin patch
How this form is used
- Catapres-TTS skin patches are used to treat high blood pressure in adults, alone or with other antihypertensive medicines
- Clonidine transdermal patches are used to treat high blood pressure in adults
- Apply the skin patch once every 7 days to a hairless area of intact skin on the upper outer arm or chest
- Each new patch should be placed on a different skin site than the previous one
- If the patch loosens before 7 days, press the adhesive cover directly over the patch to keep it in place
- Catapres-TTS therapy is started at the lowest strength and adjusted after one to two weeks if blood pressure is not adequately controlled
Show 6 more strengths Show fewer strengths
Extended-release tablet
How this form is used
- Clonidine hydrochloride extended-release tablets (including Kapvay) are used to treat ADHD in children and adolescents ages 6 to 17, either alone or with stimulant medications
- Nexiclon XR extended-release tablets are used to treat high blood pressure in adults, alone or with other antihypertensive medicines
- Clonidine hydrochloride extended-release tablets are taken by mouth with or without food
- Swallow the extended-release tablet whole — do not crush, chew, or break it
- Nexiclon XR is taken once daily, with the starting dose recommended at bedtime; dose is adjusted at weekly intervals based on blood pressure response
- Do not substitute extended-release tablets for other clonidine products on a milligram-for-milligram basis, as absorption differs
Injection
How this form is used
- Duraclon epidural injection is used alongside opioid pain medicines to treat severe cancer pain not adequately controlled by opioids alone
- Clonidine hydrochloride injection is used in combination with opiates for severe cancer pain; it is more likely to help neuropathic (nerve) pain than other types
- The safety of clonidine injection has only been established in a carefully selected group of cancer patients after opioid treatment has proven insufficient
- Duraclon and clonidine hydrochloride injection are given by continuous epidural infusion by a trained healthcare team — not self-administered
- Patients are closely monitored for the first several days of epidural infusion to assess response and watch for side effects
- Dose is adjusted based on pain relief and any side effects that occur
- Patients with kidney problems may require dose adjustment and careful monitoring
Oral solution
How this form is used
- Javadin oral solution is used to treat high blood pressure in adults
- Javadin is taken by mouth twice daily (morning and bedtime) with or without food
- The dose is started low and adjusted at weekly intervals based on blood pressure response
- The higher portion of the daily dose is taken at bedtime
- Do not stop Javadin suddenly without your doctor's guidance
Extended-release oral suspension
How this form is used
- Onyda XR is used to treat ADHD in children and adolescents ages 6 and older, either as the sole treatment or added to a CNS stimulant medication
- Onyda XR is taken by mouth once daily at bedtime, with or without food
- Onyda XR dose is started low and increased in small steps at weekly intervals up to the maximum recommended amount
- Do not substitute Onyda XR for other clonidine products on a milligram-for-milligram basis
- When stopping Onyda XR, the dose should be tapered gradually — do not stop suddenly
📊 Clonidine across the U.S. market
How Clonidine appears in the FDA’s National Drug Code Directory — including its dosage forms, strengths, brand names, manufacturers, and FDA-listed product records. These are directory records, not sales or prescription volume.
FDA-listed product records by dose form (tablet variants merged) — FDA National Drug Code Directory. Record counts are not sales or prescription volume.
Also listed with the FDA, not a patient dose form: Powder (20) — bulk drug substance sold to compounders/manufacturers and multi-item kits. These aren’t counted in the dose-form total above.
Share of FDA-listed product records by manufacturer — FDA National Drug Code Directory. Record counts are not sales or prescription volume.
📈 How widely Clonidine is used
A general measure of how commonly Clonidine is prescribed, based on Medicaid — one of the largest public drug programs. The figure below is prescriptions filled in Q1–Q4 2025, summed across every form and brand of the drug.
Think of this as a proxy for how widely Clonidine is used, drawn from freely available public data. Medicaid is just one program — these numbers don’t include Medicare, other government coverage, or commercial and cash-pay prescriptions, so real-world use is higher than what’s shown here.
How commonly is Clonidine prescribed? Of the 1,596 medications we measure, Clonidine ranks #30 by Medicaid prescriptions — more than 98% of them.
Utilization by Clonidine product
Pick a product to see its own Medicaid numbers. Each chip is one clinical product — a specific strength & dosage form as defined by RxNorm — with brand-name and generic versions combined.
clonidine hydrochloride 0.1 MG Oral Tablet Most dispensed
Summed across the 22 of 258 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 884173
clonidine hydrochloride 0.2 MG Oral Tablet
Summed across the 20 of 148 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 884185
clonidine hydrochloride 0.3 MG Oral Tablet
Summed across the 13 of 93 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 884189
12 HR clonidine hydrochloride 0.1 MG Extended Release Oral Tablet
Summed across the 7 of 25 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 1013930
168 HR clonidine 0.00417 MG/HR Transdermal System
Summed across the 4 of 13 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 998671
168 HR clonidine 0.00833 MG/HR Transdermal System
Summed across the 4 of 14 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 998675
168 HR clonidine 0.0125 MG/HR Transdermal System
Summed across the 4 of 13 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 998679
24 HR clonidine hydrochloride 0.1 MG/ML Extended Release Suspension
Summed across the 1 of 6 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 2690727
10 ML clonidine hydrochloride 0.1 MG/ML Injection
Summed across the 3 of 6 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 884221
24 HR clonidine 0.17 MG Extended Release Oral Tablet
Summed across the 1 of 3 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 885880
10 ML clonidine hydrochloride 0.5 MG/ML Injection
Summed across the 1 of 4 listed NDC products with Medicaid activity — every brand and generic of this exact strength & form. RxNorm 884225
Shares are of the Medicaid prescriptions shown here. Product grouping follows RxNorm (the National Library of Medicine’s drug terminology), so “one product” means one strength & dosage form regardless of manufacturer. Dollar figures are gross Medicaid reimbursement before mandatory rebates — rebates (often large, especially for brand-name drugs) are confidential, so actual net cost to Medicaid is lower than shown.
Source: Medicaid State Drug Utilization Data (CMS), aggregated by generic ingredient — summed across every NDC (all brands, strengths, salt forms and dosage forms) of Clonidine, and across all states and both fee-for-service and managed-care claims. A general popularity signal; it excludes Medicare, commercial insurance and cash prescriptions, so it is not total U.S. use. Based on the 80 of 583 listed Clonidine NDCs with Medicaid activity.
🔍 Compare Clonidine products
A representative set of FDA-listed product records for Clonidine — across manufacturers, strengths, and dosage forms, grouped by form with each product’s manufacturer and how the FDA approved it. The same medicine may be made and packaged by different companies, so a single drug can have many directory entries. (It’s also why a refill can look different — a new shape, color, or box — even though it contains the same medication.)
| Strength | Route | Manufacturer / Labeler | Category ⓘ | Details |
|---|---|---|---|---|
| 💊Extended-release oral suspension | ||||
| 0.1 mg/mL | Oral | NextWave Pharmaceuticals, Inc | NDA | View NDC → |
| 💊Injection | ||||
| 5 mg/mL | — | Bond Pharmacy INC | DRUG FOR FURTHER PROCESSING | View NDC → |
| 100 mcg/mL | Intravenous | HF Acquisition Co LLC, DBA HealthFirst × 2 listings | ANDA | View NDC → |
| 100 mcg/mL | Intravenous | Hikma Pharmaceuticals USA Inc. | ANDA | View NDC → |
| 500 mcg/mL | Intravenous | Hikma Pharmaceuticals USA Inc. | ANDA | View NDC → |
| 0.1 mg/mL | Epidural | Mylan Institutional LLC | NDA | View NDC → |
| 100 mcg/mL | Epidural | XGen Pharmaceuticals DJB, Inc. × 3 listings | ANDA | View NDC → |
| 500 mcg/mL | Epidural | XGen Pharmaceuticals DJB, Inc. × 3 listings | ANDA | View NDC → |
| 0.1 mg/mL | Epidural | Zydus Lifesciences Limited | ANDA | View NDC → |
| 0.5 mg/mL | Epidural | Zydus Lifesciences Limited | ANDA | View NDC → |
| 0.1 mg/mL | Epidural | Zydus Pharmaceuticals USA Inc. | ANDA | View NDC → |
| 0.5 mg/mL | Epidural | Zydus Pharmaceuticals USA Inc. | ANDA | View NDC → |
| 💊Oral solution | ||||
| 20 mcg/mL | Oral | Azurity Pharmaceuticals, Inc. | NDA | View NDC → |
| 0.05 mg/mL | Oral | CMP Pharma, Inc. | NDA | View NDC → |
| 💊Skin patch | ||||
| 0.1 mg/d | Transdermal | Actavis Pharma, Inc. | ANDA | View NDC → |
| CLONIDINE 0.1 mg/d | Transdermal | Actavis Pharma, Inc. | ANDA | View NDC → |
| 0.2 mg/d | Transdermal | Actavis Pharma, Inc. | ANDA | View NDC → |
| CLONIDINE 0.2 mg/d | Transdermal | Actavis Pharma, Inc. | ANDA | View NDC → |
| 0.3 mg/d | Transdermal | Actavis Pharma, Inc. | ANDA | View NDC → |
| CLONIDINE 0.3 mg/d | Transdermal | Actavis Pharma, Inc. | ANDA | View NDC → |
| 0.1 mg/d | Transdermal | Boehringer Ingelheim Pharmaceuticals Inc. | NDA | View NDC → |
| 0.2 mg/d | Transdermal | Boehringer Ingelheim Pharmaceuticals Inc. | NDA | View NDC → |
| 0.3 mg/d | Transdermal | Boehringer Ingelheim Pharmaceuticals Inc. | NDA | View NDC → |
| CLONIDINE 0.1 mg/24h | Transdermal | Dr. Reddy's Labratories Inc. | ANDA | View NDC → |
| CLONIDINE 0.2 mg/24h | Transdermal | Dr. Reddy's Labratories Inc. | ANDA | View NDC → |
| CLONIDINE 0.3 mg/24h | Transdermal | Dr. Reddy's Labratories Inc. | ANDA | View NDC → |
| 0.1 mg/24h | Transdermal | Mayne Pharma Inc. | ANDA | View NDC → |
| 0.2 mg/24h | Transdermal | Mayne Pharma Inc. | ANDA | View NDC → |
| 0.3 mg/24h | Transdermal | Mayne Pharma Inc. | ANDA | View NDC → |
| CLONIDINE 0.3 mg/24h | Transdermal | Mayne Pharma Inc. | ANDA | View NDC → |
| 0.1 mg/d | Transdermal | Mylan Pharmaceuticals Inc. | ANDA | View NDC → |
| CLONIDINE 0.1 mg/d | Transdermal | Mylan Pharmaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 0.2 mg/d | Transdermal | Mylan Pharmaceuticals Inc. | ANDA | View NDC → |
| CLONIDINE 0.2 mg/d | Transdermal | Mylan Pharmaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 0.3 mg/d | Transdermal | Mylan Pharmaceuticals Inc. | ANDA | View NDC → |
| CLONIDINE 0.3 mg/d | Transdermal | Mylan Pharmaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 0.1 mg/d | Transdermal | Technomed Inc. × 2 listings | NDA | View NDC → |
| CLONIDINE 0.1 mg/d | Transdermal | Technomed Inc. × 2 listings | NDA | View NDC → |
| 0.2 mg/d | Transdermal | Technomed Inc. × 2 listings | NDA | View NDC → |
| CLONIDINE 0.2 mg/d | Transdermal | Technomed Inc. × 2 listings | NDA | View NDC → |
| 0.3 mg/d | Transdermal | Technomed Inc. × 2 listings | NDA | View NDC → |
| CLONIDINE 0.3 mg/d | Transdermal | Technomed Inc. × 2 listings | NDA | View NDC → |
| 0.1 mg/d | Transdermal | TruPharma, LLC | NDA | View NDC → |
| CLONIDINE 0.1 mg/d | Transdermal | TruPharma, LLC × 2 listings | NDA AUTHORIZED GENERIC | View NDC → |
| 0.2 mg/d | Transdermal | TruPharma, LLC | NDA | View NDC → |
| CLONIDINE 0.2 mg/d | Transdermal | TruPharma, LLC × 2 listings | NDA AUTHORIZED GENERIC | View NDC → |
| 0.3 mg/d | Transdermal | TruPharma, LLC | NDA | View NDC → |
| CLONIDINE 0.3 mg/d | Transdermal | TruPharma, LLC × 2 listings | NDA AUTHORIZED GENERIC | View NDC → |
| 💊Tablet | ||||
| 0.1 mg | Oral | A-S Medication Solutions × 18 listings | ANDA | View NDC → |
| 0.2 mg | Oral | A-S Medication Solutions × 6 listings | ANDA | View NDC → |
| 0.3 mg | Oral | A-S Medication Solutions × 3 listings | ANDA | View NDC → |
| 0.1 mg | Oral | Actavis Pharma, Inc. × 3 listings | ANDA | View NDC → |
| 0.2 mg | Oral | Actavis Pharma, Inc. × 3 listings | ANDA | View NDC → |
| 0.3 mg | Oral | Actavis Pharma, Inc. × 3 listings | ANDA | View NDC → |
| 0.1 mg | Oral | Alembic Pharmaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 0.2 mg | Oral | Alembic Pharmaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 0.3 mg | Oral | Alembic Pharmaceuticals Inc. × 2 listings | ANDA | View NDC → |
| 0.1 mg | Oral | Alembic Pharmaceuticals Limited × 2 listings | ANDA | View NDC → |
| 0.2 mg | Oral | Alembic Pharmaceuticals Limited × 2 listings | ANDA | View NDC → |
| 0.3 mg | Oral | Alembic Pharmaceuticals Limited × 2 listings | ANDA | View NDC → |
| 0.1 mg | Oral | American Health Packaging × 3 listings | ANDA | View NDC → |
| 0.2 mg | Oral | American Health Packaging × 3 listings | ANDA | View NDC → |
| 0.3 mg | Oral | Aphena Pharma Solutions - Tennessee, LLC × 2 listings | ANDA | View NDC → |
| 0.1 mg | Oral | Asclemed USA, Inc. × 2 listings | ANDA | View NDC → |
| 0.2 mg | Oral | Asclemed USA, Inc. | ANDA | View NDC → |
| 0.3 mg | Oral | Asclemed USA, Inc. | ANDA | View NDC → |
| 0.1 mg | Oral | Asclemed Usa Inc. | ANDA | View NDC → |
| 0.2 mg | Oral | Asclemed Usa Inc. | ANDA | View NDC → |
| 0.3 mg | Oral | Asclemed Usa Inc. | ANDA | View NDC → |
| 0.1 mg | Oral | Aurobindo Pharma Limited | ANDA | View NDC → |
| 0.2 mg | Oral | Aurobindo Pharma Limited | ANDA | View NDC → |
| 0.3 mg | Oral | Aurobindo Pharma Limited | ANDA | View NDC → |
| 0.1 mg | Oral | AvPAK × 2 listings | ANDA | View NDC → |
| 0.2 mg | Oral | AvPAK × 2 listings | ANDA | View NDC → |
| 0.3 mg | Oral | AvPAK × 2 listings | ANDA | View NDC → |
| 0.1 mg | Oral | BluePoint Laboratories × 3 listings | ANDA | View NDC → |
| 0.2 mg | Oral | BluePoint Laboratories × 3 listings | ANDA | View NDC → |
| 0.3 mg | Oral | BluePoint Laboratories × 3 listings | ANDA | View NDC → |
| 0.1 mg | Oral | Bryant Ranch Prepack × 17 listings | ANDA | View NDC → |
| 0.2 mg | Oral | Bryant Ranch Prepack × 9 listings | ANDA | View NDC → |
| 0.3 mg | Oral | Bryant Ranch Prepack × 8 listings | ANDA | View NDC → |
| 💊Bulk drug substance | ||||
| 25 kg/25 kg | — | Alembic Pharmaceuticals Limited | BULK INGREDIENT | View NDC → |
| 1 kg | — | Catalent Micron Technologies, Inc. | DRUG FOR FURTHER PROCESSING | View NDC → |
| 1 kg/kg | — | Enaltec Labs Pvt Ltd | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Galenova Inc | BULK INGREDIENT | View NDC → |
| 1 g/g | — | Letco Medical, Llc | BULK INGREDIENT FOR HUMAN PRESCRIPTION COMPOUNDING | View NDC → |
| 1 g/g | — | Medisca Inc. | BULK INGREDIENT FOR HUMAN PRESCRIPTION COMPOUNDING | View NDC → |
| 1 kg/kg | — | Pcas Finland Oy × 3 listings | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Pharma Source Direct, Inc. | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Professional Compounding Centers of America | BULK INGREDIENT FOR HUMAN PRESCRIPTION COMPOUNDING | View NDC → |
| 1 kg/kg | — | Professional Compounding Centers of America dba PCCA | BULK INGREDIENT FOR HUMAN PRESCRIPTION COMPOUNDING | View NDC → |
| 1 kg/kg | — | Societa Italiana Medicinali Scandicci S.I.M.S., SrL × 2 listings | BULK INGREDIENT | View NDC → |
| 1 g/g | — | Spectrum Laboratory Products, Inc. | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Unichem Laboratories Limited, India | BULK INGREDIENT | View NDC → |
| 1 g/g | — | Xenex Laboratories Inc × 2 listings | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Yung Zip Chemical Industrial Co., Ltd. | BULK INGREDIENT | View NDC → |
| 1 kg/kg | — | Zydus Lifesciences Limited | BULK INGREDIENT | View NDC → |
Showing 200 of 446 products — FDA National Drug Code Directory. See every product, package size and price: browse all 446 Clonidine NDCs →
📈 What people report — real-world data (FDA FAERS)
After a medicine reaches the market, patients, doctors and drugmakers can send the FDA reports of problems they think may be linked to it. Here’s what’s been reported for Clonidine — a signal of what to watch for, not proof the drug caused it.
Source: openFDA, from the FDA Adverse Event Reporting System (FAERS). These are voluntary reports — they don’t prove the drug caused the effect, and counts reflect how often something was reported, not how often it actually happens. Reports also often name the very problem the medicine is taken for — a common reason to file one is that the drug didn’t help — so for a pain reliever you may see “pain” high on the list; that points to why the report was filed, not to the drug causing the symptom. This counts every report that lists Clonidine in any role, so the total runs higher than the FDA’s official dashboard, which counts only cases where the drug is the suspect. For the authoritative figures, see the FDA FAERS Public Dashboard. Always talk to your pharmacist or doctor.
🏛️ The road to your pharmacy
How Clonidine went from FDA review to the pharmacy shelf — the key milestones in its regulatory journey.
Source: Drugs@FDA.
🚨 Recall history
A recall is when a specific batch of a medicine is pulled from the market — usually a manufacturing issue, not a problem with the drug itself. Class I is most serious, Class III least.
Source: openFDA drug enforcement (recall) reports.
RxNorm Concept Web — From Ingredient to Every Form and Strength
This page starts with one ingredient concept (IN). The branches below show its dose-form concepts (SCDF), then the available clinical drug and strength concepts (SCD). Combination products remain separate concepts with their own pages.
RxCUI 2599 8 dose forms · 16 strengths
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Dose form (SCDF) Extended Release Oral Capsule RxCUI 371581No current FDA listingClinical drug / strength (SCD) hydrochloride 0.25 MGRxCUI 892795 -
Dose form (SCDF) Extended Release Oral Tablet RxCUI 885794In current FDA listingsClinical drug / strength (SCD) 12 HR clonidine hydrochloride 0.1 MGRxCUI 101393024 HR clonidine 0.17 MGRxCUI 885880 -
Dose form (SCDF) Extended Release Suspension RxCUI 885790In current FDA listingsClinical drug / strength (SCD) 24 HR clonidine hydrochloride 0.1 MG/MLRxCUI 2690727 -
Dose form (SCDF) Injectable Solution RxCUI 371582In current FDA listingsClinical drug / strength (SCD) hydrochloride 0.15 MG/MLRxCUI 892793 -
Dose form (SCDF) Injection RxCUI 1732370In current FDA listingsClinical drug / strength (SCD) 10 ML clonidine hydrochloride 0.1 MG/MLRxCUI 88422110 ML clonidine hydrochloride 0.5 MG/MLRxCUI 884225 -
Dose form (SCDF) Oral Solution RxCUI 2725552In current FDA listingsClinical drug / strength (SCD) hydrochloride 0.02 MG/MLRxCUI 2725554 -
Dose form (SCDF) Oral Tablet RxCUI 371583In current FDA listingsClinical drug / strength (SCD) hydrochloride 0.025 MGRxCUI 892791hydrochloride 0.05 MGRxCUI 2740803hydrochloride 0.1 MGRxCUI 884173hydrochloride 0.2 MGRxCUI 884185hydrochloride 0.3 MGRxCUI 884189 -
Dose form (SCDF) Transdermal System RxCUI 1806253In current FDA listingsClinical drug / strength (SCD) 168 HR clonidine 0.00417 MG/HRRxCUI 998671168 HR clonidine 0.00833 MG/HRRxCUI 998675168 HR clonidine 0.0125 MG/HRRxCUI 998679
Look up RxCUI 2599 in the RxCUI Atlas →
RxNorm is the U.S. National Library of Medicine’s normalized drug vocabulary. Its concept hierarchy can include forms that are not currently marketed; the status on each branch compares that concept with current FDA listings. RxCUIs identify vocabulary concepts, not individual packages or manufacturers.
📦 Supply & shortage status
Whether Clonidine is in short supply in the U.S. right now, plus any shortage history the FDA has on record. A shortage usually reflects a manufacturing or demand issue — not a safety problem with the drug.
Source: openFDA, from the FDA Drug Shortages database.
🏷️ Sold under these brand names
🏭 Manufacturers & labelers
…and 16 more on the FDA NDC directory.
RxNorm drug class
Clonidine belongs to the Central alpha-2 Adrenergic Agonist class.
Classified by RxNorm RxClass — the U.S. National Library of Medicine's standardized drug-classification service (Established Pharmacologic Class from the FDA, the ATC drug family from the WHO, and mechanism of action). Reference only, not medical advice.
🔬 Where this comes from
Core label, product, RxNorm, safety, and utilization data on this page come from the sources identified below. AI-written, editorial, and licensed sections are labeled separately.
How we combine label and product data
HelloPharmacist combines public FDA and NLM records; we don’t author the underlying clinical facts. We identified 132 FDA-filed SPL label sets within the page’s selected clinical scope after exact ingredient or ingredient-combination matching and applicable route/form matching. The representative label is the starting point for the displayed reference monograph; the 12 largest stored in-scope SPL records, which may include that representative, are compared section by section, and the longest available version of each section is retained. Forms, routes, brands, labelers, product-listed strengths, and product-record counts are aggregated separately from ingredient-matched FDA NDC Directory records; package records listed above are associated with the linked SPL; and the normalized concept hierarchy comes from NLM RxNorm.
For canonical ingredient pages, bounded product-attributed indication and administration excerpts may be added to the AI evidence, and the generator is instructed to preserve available product, brand, route, and form qualifiers instead of treating one label as universal. Where a section is identified as AI-written, its plain-language text is generated from bounded label evidence. New draft drug pages remain in the admin review queue before first publication. Palmetto Pharmaceuticals Inc. is the representative DailyMed label linked for verification and dates; it is not the sole source used for the page.
This is general education, not medical advice — always consult your doctor or pharmacist about your medications and any medical condition. For the exact wording of the linked representative label, view that label on DailyMed; some displayed composite sections may come from other in-scope SPL labels. Learn how we use AI and our data sources & update cadence.