hydrochlorothiazide 12.5 mg Capsule, 60-count
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the Thiazide Diuretic class.
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🏭 Manufacturer & labeler
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🩺 Clinical
Hydrochlorothiazide is used alone or in combination with other medications to treat high blood pressure. Hydrochlorothiazide is used to treat edema (fluid retention; excess fluid held in body tissues) caused by various medical problems, including heart, kidney, and liver disease and to treat edema caused by using certain medications including estrogen and corticosteroids. Hydrochlorothiazide is in a class of medications called diuretics ('water pills'). It works by causing the kidneys to get rid of unneeded water and salt from the body into the urine. High blood pressure is a common condition...
Read the full MedlinePlus article ↗- It's a water pill — it makes your kidneys flush out extra salt and water, which reduces the amount of fluid your body is holding. That directly lowers your blood pressure and reduc...
- What exactly is hydrochlorothiazide supposed to do for me?
- You can take it either way, but be consistent — take it the same way each time. Food does reduce absorption slightly, but what matters most is that you take it regularly as prescri...
- Should I take it with food or on an empty stomach?
Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Hydrochlorothiazide — tap one for details:
Hydrochlorothiazide may be associated with lower levels of 8 nutrients — worth a chat with your pharmacist, not a cause for alarm.
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Ask a licensed pharmacist directly — free, answered by our team.
💊 What it looks like
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🧪 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.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
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UNII XM0M87F357
A dark iron oxide compound that gives medicines their black or dark color. It's used as a colorant in tablets and capsules to help identify the product and make it visually distinctive.
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UNII 2G86QN327L
Gelatin is a protein derived from animal collagen, commonly used in medicines as a gelling agent and capsule material. It helps create soft or hard capsule shells that hold and release medication, and can also thicken liquid formulations.
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UNII 70097M6I30
Magnesium stearate is a salt made from magnesium and stearic acid, a fatty substance. It's used in tablets and capsules as a lubricant and glidant to help ingredients flow smoothly during manufacturing and prevent sticking.
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UNII OP1R32D61U
Microcrystalline cellulose is a purified form of cellulose, a natural fiber from plant sources. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and give the medicine its shape and size.
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UNII ETJ7Z6XBU4
Silicon dioxide is a naturally occurring mineral used as a glidant and anti-caking agent. It helps powder ingredients flow smoothly and prevents clumping during manufacturing and storage.
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UNII 368GB5141J
A detergent and foaming agent derived from coconut or palm oil. In medications, it helps break down and mix oil and water-based ingredients, aids in tablet disintegration, and improves how the drug dissolves and spreads in the mouth or digestive system.
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UNII O8232NY3SJ
A plant-based carbohydrate derived from corn kernels. It acts as a filler to add bulk, a binder to hold ingredients together, and a disintegrant to help the tablet break apart in your stomach for absorption.
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UNII 15FIX9V2JP
Titanium dioxide is a bright white mineral powder commonly used as a colorant and opacifying agent. It makes pills and tablets white or lighter in color and helps make coatings non-transparent.
8 inactive ingredients listed in the exact product block matched to this NDC.
Where does this data come from?
ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.Inactive ingredient FAQ
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💲 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 each | 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 · Q2 2026 | $0.0976 | $5.86 / 60 capsules |
Where does this data come from?
🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Hydrochlorothiazide 12.5 mg 00591-0347-01 | Actavis | 100 capsules | $0.028 | AB | Availability likely | — |
| hydrochlorothiazide 12.5 mg 29300-0130-01 | Unichem | 100 capsules | $0.028 | AB | Availability likely | — |
| Hydrochlorothiazide 12.5 mg 50228-0146-01 | ScieGen | 100 capsules | $0.028 | AB | Availability likely | — |
| Hydrochlorothiazide 12.5 mg 50268-0404-15 | AvPAK | 50 capsules | $0.028 | AB | Availability likely | — |
| Hydrochlorothiazide 12.5 mg 57237-0002-01 | Rising | 100 capsules | $0.028 | AB | Availability likely | — |
| hydrochlorothiazide 12.5 mg 60687-0683-01 | American | 100 capsules | $0.028 | AB | Availability likely | — |
| Hydrochlorothiazide 12.5 mg 69367-0219-01 | Westminster | 100 capsules | $0.028 | AB | Availability likely | — |
| Hydrochlorothiazide 12.5 mg 00615-8344-05 | NCS | 15 capsules | — | AB | FDA listed | — |
| hydrochlorothiazide 12.5 mg 35356-0807-30 | Quality | 30 capsules | — | AB | Discontinued | — |
| Hydrochlorothiazide 12.5 mg 42708-0027-30 | QPharma, | 30 capsules | — | AB | FDA listed | — |
| hydrochlorothiazide 12.5 mg 42708-0086-30 | QPharma | 30 capsules | — | AB | FDA listed | — |
| hydrochlorothiazide 12.5 mg 46708-0438-10 | Alembic | 100 capsules | — | — | FDA listed | — |
| hydrochlorothiazide 12.5 mgthis 50090-0724-02 | A-S | 60 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 50090-6987-00 | A-S | 30 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 50090-6988-00 | A-S | 90 capsules | — | AB | FDA listed | — |
| hydrochlorothiazide 12.5 mg 51655-0522-26 | Northwind | 90 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 51655-0616-26 | Northwind | 90 capsules | — | AB | FDA listed | — |
| hydrochlorothiazide 12.5 mg 62332-0070-10 | Alembic | 100 capsules | — | — | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 63187-0548-07 | Proficient | 7 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 63629-8498-01 | Bryant | 500 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 65862-0113-01 | Aurobindo | 100 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 67544-0739-60 | Aphena | 90 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 68788-7683-01 | Preferred | 100 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 68788-8862-01 | Preferred | 100 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 70518-2550-00 | REMEDYREPACK | 30 capsules | — | AB | FDA listed | — |
| hydrochlorothiazide 12.5 mg 71205-0161-07 | Proficient | 7 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 71205-0589-30 | Proficient | 30 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 71205-0980-00 | Proficient | 100 capsules | — | AB | FDA listed | — |
| hydrochlorothiazide 12.5 mg 71335-0067-01 | Bryant | 30 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 71335-0770-01 | Bryant | 30 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 71335-1713-01 | Bryant | 30 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 71610-0500-60 | Aphena | 90 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 71610-0697-60 | Aphena | 90 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 72162-1528-05 | Bryant | 500 capsules | — | AB | FDA listed | — |
| Hydrochlorothiazide 12.5 mg 72789-0176-30 | PD-Rx | 30 capsules | — | AB | FDA listed | — |
Where does this data come from?
⏳ Availability & generic status
This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.
Where does this data come from?
📊 Medicare Part D spend CMS · PART D · 2026 (Q1)
🔬 Reported adverse events (FAERS)
Top reported reactions
Age at onset
Reporter sex
Serious outcomes
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📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 50090-0724-00 | 30 CAPSULE in 1 BOTTLE (50090-0724-0) | 2014-11-28 | Active |
| 50090-0724-01 | 100 CAPSULE in 1 BOTTLE (50090-0724-1) | 2014-11-28 | Active |
| 50090-0724-02 You're viewing this | 60 CAPSULE in 1 BOTTLE (50090-0724-2) | 2014-11-28 | Active |
| 50090-0724-03 | 90 CAPSULE in 1 BOTTLE (50090-0724-3) | 2014-11-28 | Active |
You're viewing one of 4 pack sizes for this product.
Pack size FAQ
What quantity is in NDC 50090-0724-02?
What is the difference between NDC 50090-0724-02 and NDC 50090-0724-00?
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🧭 About this NDC listing & data coverage
What data is (and isn’t) available for this NDC — tap to expand
| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | ✓ Available |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | ✓ Available |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
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📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
INDICATIONS AND USAGE Hydrochlorothiazide capsules are indicated in the management of hypertension either as the sole therapeutic agent, or in combination with other antihypertensives. Unlike potassium sparing combination diuretic products, hydrochlorothiazide capsules may be used in those patients in whom the development of hyperkalemia cannot be risked, including patients taking ACE inhibitors. Usage in Pregnancy : The routine use of diuretics in an otherwise healthy woman is inappropriate and exposes mother and fetus to unnecessary hazard.
Diuretics do not prevent development of toxemia of pregnancy, and there is no satisfactory evidence that they are useful in the treatment of developed toxemia. Edema during pregnancy may arise from pathological causes or from the physiologic and mechanical consequences of pregnancy. Diuretics are indicated in pregnancy when edema is due to pathologic causes, just as they are in the absence of pregnancy.
Dependent edema in pregnancy resulting from restriction of venous return by the expanded uterus is properly treated through elevation of the lower extremities and use of support hose; use of diuretics to lower intravascular volume in this case is illogical and unnecessary. There is hypervolemia during normal pregnancy which is harmful to neither the fetus nor the mother (in the absence of cardiovascular disease), but which is associated with edema, including generalized edema in the majority of pregnant women. If this edema produces discomfort, increased recumbency will often provide relief.
In rare instances this edema may cause extreme discomfort which is not relieved by rest. In these cases a short course of diuretics may provide relief and may be appropriate.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION For Control of Hypertension: The adult initial dose of hydrochlorothiazide capsules is one capsule given once daily whether given alone or in combination with other antihypertensives. Total daily doses greater than 50 mg are not recommended.
⛔ Contraindications ▾
CONTRAINDICATIONS Hydrochlorothiazide capsules are contraindicated in patients with anuria. Hypersensitivity to this product or other sulfonamide derived drugs is also contraindicated.
⚠️ Warnings ▾
WARNINGS Acute Myopia and Secondary Angle-Closure Glaucoma: Hydrochlorothiazide, a sulfonamide, can cause an idiosyncratic reaction, resulting in acute transient myopia and acute angle-closure glaucoma. Symptoms include acute onset of decreased visual acuity or ocular pain and typically occur within hours to weeks of drug initiation. Untreated acute angle-closure glaucoma can lead to permanent vision loss.
The primary treatment is to discontinue hydrochlorothiazide as rapidly as possible. Prompt medical or surgical treatments may need to be considered if the intraocular pressure remains uncontrolled. Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy.
Diabetes and Hypoglycemia : Latent diabetes mellitus may become manifest and diabetic patients given thiazides may require adjustment of their insulin dose. Renal Disease : Cumulative effects of the thiazides may develop in patients with impaired renal function. In such patients, thiazides may precipitate azotemia.
🤒 Adverse Reactions ▾
ADVERSE REACTIONS The adverse reactions associated with hydrochlorothiazide have been shown to be dose related. In controlled clinical trials, the adverse events reported with doses of 12.5 mg hydrochlorothiazide once daily were comparable to placebo. The following adverse reactions have been reported for doses of hydrochlorothiazide 25 mg and greater and, within each category, are listed in the order of decreasing severity.
Body as a whole: Weakness. Cardiovascular: Hypotension including orthostatic hypotension (may be aggravated by alcohol, barbiturates, narcotics or antihypertensive drugs). Digestive: Pancreatitis, jaundice (intrahepatic cholestatic jaundice), diarrhea, vomiting, sialadenitis, cramping, constipation, gastric irritation, nausea, anorexia.
Hematologic: Aplastic anemia, agranulocytosis, leukopenia, hemolytic anemia, thrombocytopenia. Hypersensitivity: Anaphylactic reactions, necrotizing angiitis (vasculitis and cutaneous vasculitis), respiratory distress including pneumonitis and pulmonary edema, photosensitivity, fever, urticaria, rash, purpura. Metabolic: Electrolyte imbalance (see PRECAUTIONS ), hyperglycemia, glycosuria, hyperuricemia.
Musculoskeletal: Muscle Spasm. Nervous System/Psychiatric: Vertigo, paresthesia, dizziness, headache, restlessness. Renal : Renal failure, renal dysfunction, interstitial nephritis (see WARNINGS ).
Skin: Erythema multiforme including Stevens-Johnson syndrome, exfoliative dermatitis including toxic epidermal necrolysis, alopecia. Special Senses: Transient blurred vision, xanthopsia. Urogenital: Impotence.
Whenever adverse reactions are moderate or severe, thiazide dosage should be reduced or therapy withdrawn. Postmarketing Experience: The following adverse reaction has been identified during post-approval use of hydrochlorothiazide. Because the reaction is reported voluntarily from a population of uncertain size, it is not possible to reliably estimate the frequency or establish a causal relationship to drug exposure.
Non-melanoma Skin Cancer: Hydrochlorothiazide is associated with an increased risk of non-melanoma skin cancer. In a study conducted in the Sentinel System, increased risk was predominantly for squamous cell carcinoma (SCC) and in white patients taking large cumulative doses. The increased risk for SCC in the overall population was approximately 1 additional case per 16,000 patients per year, and for white patients taking a cumulative dose of ≥50,000mg the risk increase was approximately 1 additional SCC case for every 6,700 patients per year.
🔄 Drug Interactions ▾
Drug Interactions When given concurrently the following drugs may interact with thiazide diuretics: Alcohol, barbiturates, or narcotics - potentiation of orthostatic hypotension may occur. Antidiabetic drugs - (oral agents and insulin) dosage adjustment of the antidiabetic drug may be required. Other antihypertensive drugs - additive effect or potentiation.
Cholestyramine and colestipol resins - Cholestyramine and colestipol resins bind the hydrochlorothiazide and reduce its absorption from the gastrointestinal tract by up to 85 and 43 percent, respectively. Corticosteroid, ACTH – intensified electrolyte depletion, particularly hypokalemia. Pressor amines (e.g., norepinephrine) - possible decreased response to pressor amines but not sufficient to preclude their use.
Skeletal muscle relaxants, nondepolarizing (e.g., tubocurarine) - possible increased responsiveness to the muscle relaxant. Lithium - generally should not be given with diuretics. Diuretic agents reduce the renal clearance of lithium and greatly increase the risk of lithium toxicity.
Refer to the package insert for lithium preparations before use of such preparations with hydrochlorothiazide. Non-steroidal anti-inflammatory drugs - In some patients, the administration of a non-steroidal anti-inflammatory agent can reduce the diuretic, natriuretic, and antihypertensive effects of loop, potassium-sparing and thiazide diuretics. When hydrochlorothiazide and non-steroidal anti-inflammatory agents are used concomitantly, the patients should be observed closely to determine if the desired effect of the diuretic is obtained.
Drug/Laboratory Test Interactions - Thiazides should be discontinued before carrying out tests for parathyroid function (see PRECAUTIONS , General). Carcinogenesis, Mutagenesis, Impairment of Fertility: Two-year feeding studies in mice and rats conducted under the auspices of the National Toxicology Program (NTP) uncovered no evidence of a carcinogenic potential of hydrochlorothiazide in female mice (at doses of up to approximately 600 mg/kg/day) or in male and female rats (at doses of approximately 100 mg/kg/day). The NTP, however, found equivocal evidence for hepatocarcinogenicity in male mice.
Hydrochlorothiazide was not genotoxic in vitro in the Ames mutagenicity assay of Salmonella typhimurium strains TA 98, TA 100, TA 1535, TA 1537, and TA 1538 and in the Chinese Hamster Ovary (CHO) test for chromosomal aberrations, or in vivo in assays using mouse germinal cell chromosomes, Chinese hamster bone marrow chromosomes, and the Drosophila sex-linked recessive lethal trait gene. Positive test results were obtained only in the in vitro CHO Sister Chromatid Exchange (clastogenicity) and in the Mouse Lymphoma Cell (mutagenicity) assays, using concentrations of hydrochlorothiazide from 43 to 1,300 mcg/mL, and in the Aspergillus nidulans non-disjunction assay at an unspecified concentration.
Hydrochlorothiazide had no adverse effects on the fertility of mice and rats of either sex in studies wherein these species were exposed, via their diet, to doses of up to 100 and 4 mg/kg, respectively, prior to conception and throughout gestation.
🤰 Pregnancy ▾
Pregnancy Teratogenic Effects: Studies in which hydrochlorothiazide was orally administered to pregnant mice and rats during their respective periods of major organogenesis at doses up to 3,000 and 1,000 mg hydrochlorothiazide/kg, respectively, provided no evidence of harm to the fetus. There are, however, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed.
Nonteratogenic Effects: Thiazides cross the placental barrier and appear in cord blood. There is a risk of fetal or neonatal jaundice, thrombocytopenia, and possibly other adverse reactions that have occurred in adults. Nursing Mothers: Thiazides are excreted in breast milk.
Because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue hydrochlorothiazide, taking into account the importance of the drug to the mother.
🧒 Pediatric Use ▾
Pediatric Use Safety and effectiveness in pediatric patients have not been established.
🆘 Overdosage ▾
OVERDOSAGE The most common signs and symptoms observed are those caused by electrolyte depletion (hypokalemia, hypochloremia, hyponatremia) and dehydration resulting from excessive diuresis. If digitalis has also been administered, hypokalemia may accentuate cardiac arrhythmias. In the event of overdosage, symptomatic and supportive measures should be employed.
Emesis should be induced or gastric lavage performed. Correct dehydration, electrolyte imbalance, hepatic coma and hypotension by established procedures. If required, give oxygen or artificial respiration for respiratory impairment.
The degree to which hydrochlorothiazide is removed by hemodialysis has not been established. The oral LD 50 of hydrochlorothiazide is greater than 10 g/kg in the mouse and rat.
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY Hydrochlorothiazide blocks the reabsorption of sodium and chloride ions, and it thereby increases the quantity of sodium traversing the distal tubule and the volume of water excreted. A portion of the additional sodium presented to the distal tubule is exchanged there for potassium and hydrogen ions. With continued use of hydrochlorothiazide and depletion of sodium, compensatory mechanisms tend to increase this exchange and may produce excessive loss of potassium, hydrogen and chloride ions.
Hydrochlorothiazide also decreases the excretion of calcium and uric acid, may increase the excretion of iodide and may reduce glomerular filtration rate. Metabolic toxicities associated with excessive electrolyte changes caused by hydrochlorothiazide have been shown to be dose-related. Pharmacokinetics and Metabolism Hydrochlorothiazide is well absorbed (65% to 75%) following oral administration.
Absorption of hydrochlorothiazide is reduced in patients with congestive heart failure. Peak plasma concentrations are observed within 1 to 5 hours of dosing, and range from 70 to 490 ng/mL following oral doses of 12.5 to 100 mg. Plasma concentrations are linearly related to the administered dose.
Concentrations of hydrochlorothiazide are 1.6 to 1.8 times higher in whole blood than in plasma. Binding to serum proteins has been reported to be approximately 40% to 68%. The plasma elimination half-life has been reported to be 6 to 15 hours.
Hydrochlorothiazide is eliminated primarily by renal pathways. Following oral doses of 12.5 to 100 mg, 55% to 77% of the administered dose appears in urine and greater than 95% of the absorbed dose is excreted in urine as unchanged drug. In patients with renal disease, plasma concentrations of hydrochlorothiazide are increased and the elimination half-life is prolonged.
When hydrochlorothiazide is administered with food, its bioavailability is reduced by 10%, the maximum plasma concentration is reduced by 20%, and the time to maximum concentration increases from 1.6 to 2.9 hours. Pharmacodynamics Acute antihypertensive effects of thiazides are thought to result from a reduction in blood volume and cardiac output, secondary to a natriuretic effect, although a direct vasodilatory mechanism has also been proposed. With chronic administration, plasma volume returns toward normal, but peripheral vascular resistance is decreased.
The exact mechanism of the antihypertensive effect of hydrochlorothiazide is not known. Thiazides do not affect normal blood pressure. Onset of action occurs within 2 hours of dosing, peak effect is observed at about 4 hours, and activity persists for up to 24 hours.
Clinical Studies In an 87 patient 4-week double-blind, placebo controlled, parallel group trial, patients who received hydrochlorothiazide had reductions in seated systolic and diastolic blood pressure that were significantly greater than those seen in patients who received placebo. In published placebo-controlled trials comparing 12.5 mg of hydrochlorothiazide to 25 mg, the 12.5 mg dose preserved most of the placebo-corrected blood pressure reduction seen with 25 mg.
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED Product: 50090-0724 NDC: 50090-0724-0 30 CAPSULE in a BOTTLE NDC: 50090-0724-1 100 CAPSULE in a BOTTLE NDC: 50090-0724-2 60 CAPSULE in a BOTTLE NDC: 50090-0724-3 90 CAPSULE in a BOTTLE
📋 Description ▾
DESCRIPTION Hydrochlorothiazide, USP is the 3,4-dihydro derivative of chlorothiazide. Its chemical name is 6-Chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its molecular formula is C 7 H 8 ClN 3 O 4 S 2 ; its molecular weight is 297.74; and its structural formula is: It is a white, or practically white, crystalline powder which is slightly soluble in water, but freely soluble in sodium hydroxide solution.
Hydrochlorothiazide is supplied as 12.5 mg capsules for oral use. Inactive ingredients : Black iron oxide, colloidal silicon dioxide, gelatin, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium lauryl sulfate and titanium dioxide. FDA approved dissolution test specifications differ from USP.
Structure of Hydrochlorothiazide