Acetazolamide 250 mg Tablet, 10-count
Other active recalls for Acetazolamide (different manufacturers) — 1 · tap to view
🆔 Identity & classification
Where does this data come from?
🏷️ RxNorm drug class
This medicine belongs to the Carbonic Anhydrase Inhibitor class.
Where does this data come from?
🏭 Manufacturer & labeler
Where does this data come from?
🩺 Clinical
- Acetazolamide is used for several different things, depending on the form your doctor prescribed. It can help lower eye pressure in glaucoma, reduce certain types of seizures, trea...
- What conditions is acetazolamide actually used for?
- The most common things people notice are tingling or numbness in the hands, feet, or face, more frequent urination, tiredness, nausea, dizziness, and loss of appetite. These are ge...
- What side effects should I expect, and which ones mean I should call my doctor?
Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Acetazolamide — tap one for details:
Acetazolamide may be associated with lower levels of 8 nutrients — worth a chat with your pharmacist, not a cause for alarm.
Where does this data come from?
Ask a licensed pharmacist directly — free, answered by our team.
💊 What it looks like
Where does this data come from?
🧪 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 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 PDC6A3C0OX
Glycerin is a clear, thick liquid derived from plant oils or fats. It acts as a humectant to retain moisture, a sweetener, and a solvent in medications.
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UNII EWQ57Q8I5X
Lactose monohydrate is a natural sugar derived from milk. It serves as a filler and binder in tablets and capsules, helping create the proper size, texture, and consistency of the medicine.
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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 H8AV0SQX4D
A modified starch derived from potato or corn starch. It absorbs water quickly and helps tablets or capsules break apart and dissolve in the stomach, acting as a disintegrant to ensure the medicine releases its active ingredients properly.
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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 7SEV7J4R1U
A powder made from a naturally occurring mineral. In medicines, talc works as a glidant and anti-caking agent, helping tablets and capsules flow smoothly during manufacturing and preventing clumping.
7 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
Are inactive ingredients the same for every manufacturer?
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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 | $0.2706 | $2.71 / 10 tablets |
Where does this data come from?
🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| acetazolamide 250 mg 00904-6663-61 | Major | 100 tablets | $0.132 | AB | Availability likely | — |
| acetazolamide 250 mg 23155-0288-01 | Heritage | 100 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 50268-0054-15 | AvPAK | 50 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 59651-0906-01 | Aurobindo | 100 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 62135-0608-12 | Chartwell | 120 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 64380-0834-06 | Strides | 100 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 70756-0721-11 | Lifestar | 100 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 71930-0009-12 | Eywa | 100 tablets | $0.132 | AB | Availability likely | — |
| acetaZOLAMIDE 250 mg 72578-0150-01 | Viona | 100 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 72888-0048-01 | Advagen | 100 tablets | $0.132 | AB | Availability likely | — |
| Acetazolamide 250 mg 10135-0831-01 | Marlex | 100 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 27241-0133-04 | Ajanta | 100 tablets | — | — | FDA listed | — |
| acetazolamide 250 mg 42291-0090-01 | AvKARE | 100 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 50090-5593-00 | A-S | 12 tablets | — | AB | FDA listed | — |
| acetaZOLAMIDE 250 mg 50090-7536-00 | A-S | 12 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 52817-0201-00 | TRUPHARMA, | 1000 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 63629-1195-01 | Bryant | 100 tablets | — | AB | FDA listed | — |
| acetaZOLAMIDE 250 mg 70710-1239-01 | Zydus | 100 tablets | — | AB | FDA listed | — |
| acetaZOLAMIDE 250 mg 70771-1828-01 | Zydus | 100 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 70954-0034-20 | ANI | 1000 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mgthis 71335-2215-03 | Bryant | 10 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 72162-1979-01 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 72789-0237-01 | PD-Rx | 100 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 81005-0105-01 | Aarkish | 100 tablets | — | AB | FDA listed | — |
| Acetazolamide 250 mg 87448-1601-01 | Northwestern | 1 tablet | — | AB | Discontinued | — |
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)
📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 71335-2215-01 | 100 TABLET in 1 BOTTLE (71335-2215-1) | 2023-08-15 | Active |
| 71335-2215-02 | 30 TABLET in 1 BOTTLE (71335-2215-2) | 2023-08-15 | Active |
| 71335-2215-03 You're viewing this | 10 TABLET in 1 BOTTLE (71335-2215-3) | 2023-08-15 | Active |
You're viewing the smallest of 3 pack sizes for this product.
Pack size FAQ
What quantity is in NDC 71335-2215-03?
What is the difference between NDC 71335-2215-03 and NDC 71335-2215-02?
What NDC number is used to bill for this package of Acetazolamide 250 mg Tablet?
🧭 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. |
Questions about this listing
Why is there no price listed?
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Does this product come in other package sizes?
Who lists this product with the FDA?
Do I need a prescription for this product?
Where does this data come from?
📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
INDICATIONS AND USAGE For adjunctive treatment of: edema due to congestive heart failure; drug-induced edema; centrencephalic epilepsies (petit mal, unlocalized seizures); chronic simple (open-angle) glaucoma, secondary glaucoma, and preoperatively in acute angle-closure glaucoma where delay of surgery is desired in order to lower intraocular pressure. Acetazolamide Tablets are also indicated for the prevention or amelioration of symptoms associated with acute mountain sickness in climbers attempting rapid ascent and in those who are very susceptible to acute mountain sickness despite gradual ascent.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION Glaucoma Acetazolamide should be used as an adjunct to the usual therapy. The dosage employed in the treatment of chronic simple (open-angle) glaucoma ranges from 250 mg to 1 g of acetazolamide per 24 hours, usually in divided doses for amounts over 250 mg. It has usually been found that a dosage in excess of 1 g per 24 hours does not produce an increased effect.
In all cases, the dosage should be adjusted with careful individual attention both to symptomatology and ocular tension. Continuous supervision by a physician is advisable. In treatment of secondary glaucoma and in the preoperative treatment of some cases of acute congestive (closed-angle) glaucoma , the preferred dosage is 250 mg every four hours, although some cases have responded to 250 mg twice daily on short-term therapy.
In some acute cases, it may be more satisfactory to administer an initial dose of 500 mg followed by 125 mg or 250 mg every four hours depending on the individual case. A complementary effect has been noted when acetazolamide has been used in conjunction with miotics or mydriatics as the case demanded. Epilepsy It is not clearly known whether the beneficial effects observed in epilepsy are due to direct inhibition of carbonic anhydrase in the central nervous system or whether they are due to the slight degree of acidosis produced by the divided dosage.
The best results to date have been seen in petit mal in children. Good results, however, have been seen in patients, both children and adult, in other types of seizures such as grand mal, mixed seizure patterns, myoclonic jerk patterns, etc. The suggested total daily dose is 8 to 30 mg per kg in divided doses.
Although some patients respond to a low dose, the optimum range appears to be from 375 to 1000 mg daily. However, some investigators feel that daily doses in excess of 1 g do not produce any better results than a 1 g dose. When acetazolamide tablets are given in combination with other anticonvulsants, it is suggested that the starting dose should be 250 mg once daily in addition to the existing medications.
This can be increased to levels as indicated above. The change from other medications to acetazolamide should be gradual and in accordance with usual practice in epilepsy therapy. Congestive Heart Failure For diuresis in congestive heart failure, the starting dose is usually 250 to 375 mg once daily in the morning (5 mg/kg).
If, after an initial response, the patient fails to continue to lose edema fluid, do not increase the dose but allow for kidney recovery by skipping medication for a day. Acetazolamide tablets yield best diuretic results when given on alternate days, or for two days alternating with a day of rest. Failures in therapy may be due to overdosage or too frequent dosage.
The use of acetazolamide does not eliminate the need for other therapy such as digitalis, bed rest, and salt restriction. Drug-Induced Edema Recommended dosage is 250 to 375 mg of acetazolamide once a day for one or two days, alternating with a day of rest. Acute Mountain Sickness Dosage is 500 mg to 1000 mg daily, in divided doses.
In circumstances of rapid ascent, such as in rescue or military operations, the higher dose level of 1000 mg is recommended. It is preferable to initiate dosing 24 to 48 hours before ascent and to continue for 48 hours while at high altitude, or longer as necessary to control symptoms. Note: The dosage recommendations for glaucoma and epilepsy differ considerably from those for congestive heart failure, since the first two conditions are not dependent upon carbonic anhydrase inhibition in the kidney which requires intermittent dosage if it is to recover from the inhibitory effect of the therapeutic agent.
⛔ Contraindications ▾
CONTRAINDICATIONS Acetazolamide therapy is contraindicated in situations in which sodium and/or potassium blood serum levels are depressed, in cases of marked kidney and liver disease or dysfunction, in suprarenal gland failure, and in hyperchloremic acidosis. It is contraindicated in patients with cirrhosis because of the risk of development of hepatic encephalopathy. Long-term administration of acetazolamide is contraindicated in patients with chronic non-congestive angle-closure glaucoma since it may permit organic closure of the angle to occur while the worsening glaucoma is masked by lowered intraocular pressure.
⚠️ Warnings ▾
WARNINGS Fatalities have occurred, although rarely, due to severe reactions to sulfonamides including Stevens-Johnson syndrome, toxic epidermal necrolysis, fulminant hepatic necrosis, agranulocytosis, aplastic anemia, and other blood dyscrasias. Sensitizations may recur when a sulfonamide is readministered irrespective of the route of administration. If signs of hypersensitivity or other serious reactions occur, discontinue use of this drug.
Caution is advised for patients receiving concomitant high-dose aspirin and acetazolamide, as anorexia, tachypnea, lethargy, coma and death have been reported.
🤒 Adverse Reactions ▾
ADVERSE REACTIONS Adverse reactions, occurring most often early in therapy, include paresthesias, particularly a "tingling" feeling in the extremities, hearing dysfunction or tinnitus, loss of appetite, taste alteration and gastrointestinal disturbances such as nausea, vomiting and diarrhea, polyuria, and occasional instances of drowsiness and confusion. Metabolic acidosis and electrolyte imbalance may occur. Transient myopia has been reported.
This condition invariably subsides upon diminution or discontinuance of the medication. Other occasional adverse reactions include urticaria, melena, hematuria, glycosuria, hepatic insufficiency, flaccid paralysis, photosensitivity and convulsions. Also see PRECAUTIONS: Information for Patients for possible reactions common to sulfonamide derivatives.
Fatalities have occurred although rarely, due to severe reactions to sulfonamides including Stevens-Johnson syndrome, toxic epidermal necrolysis, fulminant hepatic necrosis, agranulocytosis, aplastic anemia and other blood dyscrasias (see WARNINGS ).
🤰 Pregnancy ▾
Pregnancy Acetazolamide, administered orally or parenterally, has been shown to be teratogenic (defects of the limbs) in mice, rats, hamsters and rabbits. There are no adequate and well-controlled studies in pregnant women. Acetazolamide should be used in pregnancy only if the potential benefit justifies the potential risk to the fetus.
🧒 Pediatric Use ▾
Pediatric Use The safety and effectiveness of acetazolamide in pediatric patients has not been established.
🆘 Overdosage ▾
OVERDOSAGE No data are available regarding acetazolamide overdosage in humans as no cases of acute poisoning with this drug have been reported. Animal data suggest that acetazolamide is remarkably nontoxic. No specific antidote is known.
Treatment should be symptomatic and supportive. Electrolyte imbalance, development of an acidotic state, and central nervous effects might be expected to occur. Serum electrolyte levels (particularly potassium) and blood pH levels should be monitored.
Supportive measures are required to restore electrolyte and pH balance. The acidotic state can usually be corrected by the administration of bicarbonate. Despite its high intraerythrocytic distribution and plasma protein binding properties, acetazolamide may be dialyzable.
This may be particularly important in the management of acetazolamide overdosage when complicated by the presence of renal failure.
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY Acetazolamide is a potent carbonic anhydrase inhibitor, effective in the control of fluid secretion (e.g., some types of glaucoma), in the treatment of certain convulsive disorders (e.g., epilepsy), and in the promotion of diuresis in instances of abnormal fluid retention (e.g., cardiac edema). Acetazolamide is not a mercurial diuretic. Rather, it is a nonbacteriostatic sulfonamide possessing a chemical structure and pharmacological activity distinctly different from the bacteriostatic sulfonamides.
Acetazolamide is an enzyme inhibitor that acts specifically on carbonic anhydrase, the enzyme that catalyzes the reversible reaction involving the hydration of carbon dioxide and the dehydration of carbonic acid. In the eye, this inhibitory action of acetazolamide decreases the secretion of aqueous humor and results in a drop in intraocular pressure, a reaction considered desirable in cases of glaucoma and even in certain nonglaucomatous conditions. Evidence seems to indicate that acetazolamide has utility as an adjuvant in the treatment of certain dysfunctions of the central nervous system (e.g., epilepsy).
Inhibition of carbonic anhydrase in this area appears to retard abnormal, paroxysmal, excessive discharge from central nervous system neurons. The diuretic effect of acetazolamide is due to its action in the kidney on the reversible reaction involving hydration of carbon dioxide and dehydration of carbonic acid. The result is renal loss of HCO3 ion, which carries out sodium, water, and potassium.
Alkalinization of the urine and promotion of diuresis are thus affected. Alteration in ammonia metabolism occurs due to increased reabsorption of ammonia by the renal tubules as a result of urinary alkalinization. Placebo-controlled clinical trials have shown that prophylactic administration of acetazolamide at a dose of 250 mg every eight to 12 hours (or a 500 mg controlled-release capsule once daily) before and during rapid ascent to altitude results in fewer and/or less severe symptoms (such as headache, nausea, shortness of breath, dizziness, drowsiness, and fatigue) of acute mountain sickness (AMS).
Pulmonary function (e.g., minute ventilation, expired vital capacity and peak flow) is greater in the acetazolamide treated group, both in subjects with AMS and asymptomatic subjects. The acetazolamide treated climbers also had less difficulty in sleeping.
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED Acetazolamide Tablets USP are supplied as follows: 250 mg - White to off white, round, uncoated tablets, scored in quarters on one side and debossed with ‘Λ’ on other side. NDC: 71335-2215-1: 100 TABLETs in a BOTTLE NDC: 71335-2215-2: 30 TABLETs in a BOTTLE NDC: 71335-2215-3: 10 TABLETs in a BOTTLE Repackaged/Relabeled by: Bryant Ranch Prepack Burbank, CA 91504
📦 Storage and Handling ▾
Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature].
📋 Description ▾
DESCRIPTION Acetazolamide, an inhibitor of the enzyme carbonic anhydrase, is a white to faintly yellowish white crystalline, odorless powder, weakly acidic, very slightly soluble in water and slightly soluble in alcohol. The chemical name for acetazolamide is N -(5-Sulfamoyl-1,3,4-thiadiazol-2-yl)-acetamide and has the following chemical structure: Molecular Weight: 222.25 Molecular Formula: C 4 H 6 N 4 O 3 S 2 Acetazolamide is available as oral tablets containing 125 mg and 250 mg of acetazolamide, respectively, and the following inactive ingredients: maize starch, gelatin, glycerin, lactose monohydrate, magnesium stearate, sodium starch glycolate and talc.
💬 Information for Patients ▾
Information for Patients Adverse reactions common to all sulfonamide derivatives may occur: anaphylaxis, fever, rash (including erythema multiforme, Stevens-Johnson syndrome, toxic epidermal necrolysis), crystalluria, renal calculus, bone marrow depression, thrombocytopenic purpura, hemolytic anemia, leukopenia, pancytopenia and agranulocytosis. Precaution is advised for early detection of such reactions and the drug should be discontinued and appropriate therapy instituted. In patients with pulmonary obstruction or emphysema where alveolar ventilation may be impaired, acetazolamide, which may precipitate or aggravate acidosis, should be used with caution.
Gradual ascent is desirable to try to avoid acute mountain sickness. If rapid ascent is undertaken and acetazolamide tablets are used, it should be noted that such use does not obviate the need for prompt descent if severe forms of high altitude sickness occur, i.e., high altitude pulmonary edema (HAPE) or high altitude cerebral edema. Caution is advised for patients receiving concomitant high-dose aspirin and acetazolamide, as anorexia, tachypnea, lethargy, coma and death have been reported (see WARNINGS ).