Nizatidine 300 mg Capsule, 60-count
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the Histamine-2 Receptor Antagonist class.
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🏭 Manufacturer & labeler
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🩺 Clinical
Nizatidine is used to treat and prevent the recurrence of ulcers and to treat other conditions where the stomach makes too much acid. Nizatidine also is used to treat or prevent occasional heartburn, acid indigestion, or sour stomach. It decreases the amount of acid made in the stomach. Nizatidine is available with and without a prescription. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
Read the full MedlinePlus article ↗- Nizatidine is used to treat ulcers in the stomach and small intestine, and to manage acid reflux disease (GERD) — including when acid has caused actual damage or inflammation in th...
- Your stomach has special cells that release acid when a chemical called histamine tells them to. Nizatidine blocks the histamine 'switch' on those cells — called H2 receptors — so...
- You can take nizatidine with or without food — it doesn't make a big difference either way. One thing to avoid: if you're taking the capsule form, don't mix or dissolve it in apple...
- Can I take nizatidine with food, or does it have to be on an empty stomach?
Patient education
Supplement & herbal interactions
Some supplements/herbs that may interact with Nizatidine — tap one for details:
Nizatidine may be associated with lower levels of 6 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 3K9958V90M
A liquid solvent derived from fermentation or chemical synthesis. In medicines, alcohol dissolves active ingredients, helps preserve the product, and improves how the body absorbs certain drugs.
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UNII 5138Q19F1X
Ammonia is a colorless gas made from nitrogen and hydrogen. It's used in medicines as a pH buffer to maintain the correct acidity level and help keep the product stable.
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UNII 8PJ61P6TS3
Butyl alcohol is a clear liquid organic solvent derived from petroleum or natural sources. In medicines, it helps dissolve active ingredients and serves as a solvent in liquid formulations and some topical products.
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UNII M28OL1HH48
Croscarmellose sodium is a plant-based substance derived from cellulose. It acts as a disintegrant, helping tablets and capsules break down quickly in the digestive system so the medicine can be absorbed.
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UNII 767IP0Y5NH
A synthetic red colorant used to give medicines their color. It helps patients identify their medication and makes the product visually appealing.
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UNII 92RU3N3Y1O
Dimethicone is a silicone-based oil that acts as an anti-foaming agent and lubricant in medicines. It reduces gas bubbles in liquid formulations and helps coat and protect the stomach lining when ingested.
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UNII H3R47K3TBD
FD&C Blue No. 1 is a synthetic blue dye approved for use in foods and medicines. It serves as a colorant to give the medication its distinctive appearance and help with product identification.
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UNII H77VEI93A8
A synthetic yellow dye used to color medications. It helps identify the drug and make it visually distinctive, with no effect on how the medicine works.
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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 ND2M416302
Isopropyl alcohol is a clear liquid solvent derived from petroleum. In medicines, it dissolves active ingredients and other components, helps the product flow smoothly, and aids in sterilization during manufacturing.
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UNII WZH3C48M4T
Potassium hydroxide is a strong alkaline chemical used in medicines to adjust and maintain the pH level of liquid formulations, helping keep the product stable and the active ingredients effective.
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UNII FZ989GH94E
Povidone is a synthetic polymer made from a plastic-like material. It acts as a binder to hold tablet ingredients together and as a disintegrant to help the tablet break apart in your stomach so the medicine can be absorbed.
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UNII 6DC9Q167V3
Propylene glycol is a clear liquid derived from petroleum or vegetable sources. It acts as a solvent, humectant, and preservative in medicines, helping dissolve active ingredients and maintain product stability.
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UNII 46N107B71O
Shellac is a natural resin secreted by the lac beetle. It's used as a coating on tablets and capsules to control how quickly the medicine dissolves and to improve appearance and stability.
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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.
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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.
18 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 | $1.17 | $70.27 / 60 capsules |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Nizatidine 300 mg 00591-3138-30 | Actavis | 30 capsules | $0.799 | AB | Availability likely | — |
| Nizatidine 300 mgthis 42806-0300-60 | Epic | 60 capsules | — | AB | FDA listed | — |
| Nizatidine 300 mg 55111-0311-01 | Dr | 100 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 |
|---|---|---|---|
| 42806-0300-30 | 30 CAPSULE in 1 BOTTLE (42806-300-30) | 2024-10-25 | Active |
| 42806-0300-60 You're viewing this | 60 CAPSULE in 1 BOTTLE (42806-300-60) | 2024-10-25 | Active |
You're viewing the largest of 2 pack sizes for this product.
Pack size FAQ
What quantity is in NDC 42806-0300-60?
What is the difference between NDC 42806-0300-60 and NDC 42806-0300-30?
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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 Nizatidine capsules are indicated for up to 8 weeks for the treatment of active duodenal ulcer. In most patients, the ulcer will heal within 4 weeks. Nizatidine capsules are indicated for maintenance therapy for duodenal ulcer patients at a reduced dosage of 150 mg h.s. after healing of an active duodenal ulcer.
The consequences of continuous therapy with nizatidine for longer than 1 year are not known. Nizatidine capsules are indicated for up to 12 weeks for the treatment of endoscopically diagnosed esophagitis, including erosive and ulcerative esophagitis, and associated heartburn due to GERD. Nizatidine capsules are indicated for up to 8 weeks for the treatment of active benign gastric ulcer.
Before initiating therapy, care should be taken to exclude the possibility of malignant gastric ulceration.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION Active Duodenal Ulcer The recommended oral dosage for adults is 300 mg once daily at bedtime. An alternative dosage regimen is 150 mg twice daily. Maintenance of Healed Duodenal Ulcer The recommended oral dosage for adults is 150 mg once daily at bedtime.
Gastroesophageal Reflux Disease The recommended oral dosage in adults for the treatment of erosions, ulcerations, and associated heartburn is 150 mg twice daily. Active Benign Gastric Ulcer The recommended oral dosage is 300 mg given either as 150 mg twice daily or 300 mg once daily at bedtime. Prior to treatment, care should be taken to exclude the possibility of malignant gastric ulceration.
Dosage Adjustment for Patients With Moderate to Severe Renal Insufficiency The dose for patients with renal dysfunction should be reduced as follows: Active Duodenal Ulcer, GERD, and Benign Gastric Ulcer C cr Dose 20-50 mL/min 150 mg daily less than 20 mL/min 150 mg every other day Maintenance Therapy C cr Dose 20-50 mL/min 150 mg every other day less than 20 mL/min 150 mg every 3 days Some elderly patients may have creatinine clearances of less than 50 mL/min, and, based on pharmacokinetic data in patients with renal impairment, the dose for such patients should be reduced accordingly.
The clinical effects of this dosage reduction in patients with renal failure have not been evaluated.
⛔ Contraindications ▾
CONTRAINDICATION Nizatidine capsules are contraindicated in patients with known hypersensitivity to the drug. Because cross sensitivity in this class of compounds has been observed, H 2 -receptor antagonists, including nizatidine, should not be administered to patients with a history of hypersensitivity to other H 2 -receptor antagonists.
🤒 Adverse Reactions ▾
ADVERSE REACTIONS Worldwide, controlled clinical trials of nizatidine included over 6,000 patients given nizatidine in studies of varying durations. Placebo-controlled trials in the United States and Canada included over 2,600 patients given nizatidine and over 1,700 given placebo. Among the adverse events in these placebo-controlled trials, anemia (0.2% vs 0%) and urticaria (0.5% vs 0.1%) were significantly more common in the nizatidine group.
Incidence in Placebo-Controlled Clinical Trials in the United States and Canada Table 5 lists adverse events that occurred at a frequency of 1% or more among nizatidine-treated patients who participated in placebo-controlled trials. The cited figures provide some basis for estimating the relative contribution of drug and nondrug factors to the side-effect incidence rate in the population studied. Table 5.
Incidence of Treatment-Emergent Adverse Events in Placebo-Controlled Clinical Trials in the United States and Canada Percentage of Patients Reporting Event Body System/Adverse Event Events reported by at least 1% of nizatidine-treated patients are included. Nizatidine (N=2,694) Placebo (N=1,729) Body as a Whole Headache 16.6
15.6Abdominal pain 7.5
12.5Pain 4.2
3.8Asthenia 3.1
2.9Back pain 2.4
2.6Chest pain 2.3
2.1Infection 1.7
1.1Fever 1.6
2.3Surgical procedure 1.4
1.5Injury, accident 1.2
0.9Digestive Diarrhea 7.2
6.9Nausea 5.4
7.4Flatulence 4.9
5.4Vomiting 3.6
5.6Dyspepsia 3.6
4.4Constipation 2.5
3.8Dry mouth 1.4
1.3Nausea and vomiting 1.2
1.9Anorexia 1.2
1.6Gastrointestinal disorder 1.1
1.2Tooth disorder 1.0
0.8Musculoskeletal Myalgia 1.7
1.5Nervous Dizziness 4.6
3.8Insomnia 2.7
3.4Abnormal dreams 1.9
1.9Somnolence 1.9
1.6Anxiety 1.6
1.4Nervousness 1.1
0.8Respiratory Rhinitis 9.8
9.6Pharyngitis 3.3
3.1Sinusitis 2.4
2.1Cough, increased 2.0
2.0Skin and Appendages Rash 1.9
2.1Pruritus 1.7
1.3Special Senses Amblyopia 1.0
0.9A variety of less common events were also reported; it was not possible to determine whether these were caused by nizatidine. Hepatic Hepatocellular injury, evidenced by elevated liver enzyme tests (SGOT [AST], SGPT [ALT], or alkaline phosphatase), occurred in some patients and was possibly or probably related to nizatidine. In some cases, there was marked elevation of SGOT, SGPT enzymes (greater than 500 IU/L) and, in a single instance, SGPT was greater than 2,000 IU/L.
The overall rate of occurrences of elevated liver enzymes and elevations to 3 times the upper limit of normal, however, did not significantly differ from the rate of liver enzyme abnormalities in placebo-treated patients. All abnormalities were reversible after discontinuation of nizatidine. Since market introduction, hepatitis and jaundice have been reported.
Rare cases of cholestatic or mixed hepatocellular and cholestatic injury with jaundice have been reported with reversal of the abnormalities after discontinuation of nizatidine. Cardiovascular In clinical pharmacology studies, short episodes of asymptomatic ventricular tachycardia occurred in 2 individuals administered nizatidine and in 3 untreated subjects. CNS Rare cases of reversible mental confusion have been reported.
Endocrine Clinical pharmacology studies and controlled clinical trials showed no evidence of antiandrogenic activity due to nizatidine. Impotence and decreased libido were reported with similar frequency by patients who received nizatidine and by those given placebo. Rare reports of gynecomastia occurred.
Hematologic Anemia was reported significantly more frequently in nizatidine- than in placebo-treated patients. Fatal thrombocytopenia was reported in a patient who was treated with nizatidine and another H 2 -receptor antagonist. On previous occasions, this patient had experienced thrombocytopenia while taking other drugs.
Rare cases of thrombocytopenic purpura have been reported. Integumental Sweating and urticaria were reported significantly more frequently in nizatidine than in placebo-tr…
🔄 Drug Interactions ▾
Drug Interactions No interactions have been observed between nizatidine and theophylline, chlordiazepoxide, lorazepam, lidocaine, phenytoin, and warfarin. Nizatidine does not inhibit the cytochrome P-450-linked drug-metabolizing enzyme system; therefore, drug interactions mediated by inhibition of hepatic metabolism are not expected to occur. In patients given very high doses (3,900 mg) of aspirin daily, increases in serum salicylate levels were seen when nizatidine, 150 mg b.i.d., was administered concurrently.
🤰 Pregnancy ▾
Pregnancy Teratogenic Effects Pregnancy category B Oral reproduction studies in pregnant rats at doses up to 1500 mg/kg/day (9000 mg/m 2 /day, 40.5 times the recommended human dose based on body surface area) and in pregnant rabbits at doses up to 275 mg/kg/day (3245 mg/m 2 /day, 14.6 times the recommended human dose based on body surface area) have revealed no evidence of impaired fertility or harm to the fetus due to nizatidine. 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.
🧒 Pediatric Use ▾
Pediatric Use Safety and effectiveness in pediatric patients have not been established.
🧓 Geriatric Use ▾
Geriatric Use Of the 955 patients in clinical studies who were treated with nizatidine, 337 (35.3%) were 65 and older. No overall differences in safety or effectiveness were observed between these and younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.
This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function ( see DOSAGE AND ADMINISTRATION ).
🆘 Overdosage ▾
OVERDOSAGE Overdoses of nizatidine have been reported rarely. The following is provided to serve as a guide should such an overdose be encountered. Signs and Symptoms There is little clinical experience with overdosage of nizatidine in humans.
Test animals that received large doses of nizatidine have exhibited cholinergic-type effects, including lacrimation, salivation, emesis, miosis, and diarrhea. Single oral doses of 800 mg/kg in dogs and of 1,200 mg/kg in monkeys were not lethal. Intravenous median lethal doses in the rat and mouse were 301 mg/kg and 232 mg/kg respectively.
Treatment To obtain up-to-date information about the treatment of overdose, a good resource is your certified Regional Poison Control Center. Telephone numbers of certified poison control centers are listed in the Physicians' Desk Reference ( PDR ). In managing overdosage, consider the possibility of multiple drug overdoses, interaction among drugs, and unusual drug kinetics in your patient.
If overdosage occurs, use of activated charcoal, emesis, or lavage should be considered along with clinical monitoring and supportive therapy. The ability of hemodialysis to remove nizatidine from the body has not been conclusively demonstrated; however, due to its large volume of distribution, nizatidine is not expected to be efficiently removed from the body by this method.
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY Nizatidine is a competitive, reversible inhibitor of histamine at the histamine H 2 -receptors, particularly those in the gastric parietal cells. Antisecretory Activity Effects on Acid Secretion Nizatidine significantly inhibited nocturnal gastric acid secretion for up to 12 hours. Nizatidine also significantly inhibited gastric acid secretion stimulated by food, caffeine, betazole, and pentagastrin ( Table 1 ).
Table 1.—Effect of Oral Nizatidine on Gastric Acid Secretion Time After Dose (h) % Inhibition of Gastric Acid Output by Dose (mg) 20-50 75 100 150 300 Nocturnal Up to 10 57 73 90 Betazole Up to 3 93 100 99 Pentagastrin Up to 6 25 64 67 Meal Up to 4 41 64 98 97 Caffeine Up to 3 73 85 96 Effects on Other Gastrointestinal Secretions Pepsin Oral administration of 75 to 300 mg of nizatidine did not affect pepsin activity in gastric secretions. Total pepsin output was reduced in proportion to the reduced volume of gastric secretions.
Intrinsic factor Oral administration of 75 to 300 mg of nizatidine increased betazole-stimulated secretion of intrinsic factor. Serum gastrin Nizatidine had no effect on basal serum gastrin. No rebound of gastrin secretion was observed when food was ingested 12 hours after administration of nizatidine.
Other Pharmacologic Actions Hormones Nizatidine was not shown to affect the serum concentrations of gonadotropins, prolactin, growth hormone, antidiuretic hormone, cortisol, triiodothyronine, thyroxin, testosterone, 5α-dihydrotestosterone, androstenedione, or estradiol. Nizatidine had no demonstrable antiandrogenic action. Pharmacokinetics The absolute oral bioavailability of nizatidine exceeds 70%.
Peak plasma concentrations (700 to 1,800 mcg/L for a 150-mg dose and 1,400 to 3,600 mcg/L for a 300-mg dose) occur from 0.5 to 3 hours following the dose. A concentration of 1,000 mcg/L is equivalent to 3 µmol/L; a dose of 300 mg is equivalent to 905 µmoles. Plasma concentrations 12 hours after administration are less than 10 mcg/L.
The elimination half-life is 1 to 2 hours, plasma clearance is 40 to 60 L/h, and the volume of distribution is 0.8 to
1.5L/kg. Because of the short half-life and rapid clearance of nizatidine, accumulation of the drug would not be expected in individuals with normal renal function who take either 300 mg once daily at bedtime or 150 mg twice daily. Nizatidine exhibits dose proportionality over the recommended dose range.
The oral bioavailability of nizatidine is unaffected by concomitant ingestion of propantheline. Antacids consisting of aluminum and magnesium hydroxides with simethicone decrease the absorption of nizatidine by about 10%. With food, the AUC and C max increase by approximately 10%.
In humans, less than 7% of an oral dose is metabolized as N2-monodesmethylnizatidine, an H 2 -receptor antagonist, which is the principal metabolite excreted in the urine. Other likely metabolites are the N2-oxide (less than 5% of the dose) and the S-oxide (less than 6% of the dose). More than 90% of an oral dose of nizatidine is excreted in the urine within 12 hours.
About 60% of an oral dose is excreted as unchanged drug. Renal clearance is about 500 mL/min, which indicates excretion by active tubular secretion. Less than 6% of an administered dose is eliminated in the feces.
Moderate to severe renal impairment significantly prolongs the half-life and decreases the clearance of nizatidine. In individuals who are functionally anephric, the half-life is 3.5 to 11 hours, and the plasma clearance is 7 to 14 L/h. To avoid accumulation of the drug in individuals with clinically significant renal impairment, the amount and/or frequency of doses of nizatidine should be reduced in proportion to the severity of dysfunction ( see DOSAGE AND ADMINISTRATION ).
Approximately 35% of nizatidine is bound to plasma protein, mainly to α 1 -acid glycoprotein. Warfarin, diazepam, acetaminophen, propantheline, phenobarbital, and propranolol did not affect plasma protein binding…
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED HOW SUPPLIED Nizatidine Capsules USP, for oral administration, are available as 150 mg #2 capsule, yellow opaque cap and white opaque body, imprinted "Є 299" in black ink on cap & body and supplied as: NDC 42806-299-30 bottles of 30 NDC 42806-299-60 bottles of 60 300 mg #1EL capsule, peach opaque cap and white opaque body, imprinted "Є 300" in black ink on cap & body and supplied as: NDC 42806-300-30 bottles of 30 NDC 42806-300-60 bottles of 60 Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature].
Dispense contents in a tight, light-resistant container as defined in the USP with a child-resistant closure, as required. KEEP TIGHTLY CLOSED. To report SUSPECTED ADVERSE REACTIONS, contact Epic Pharma, LLC at 1-888-374-2791 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
All brand names listed are the registered trademarks of their respective owners and are not trademarks of Epic Pharma, LLC. Distributed by: Epic Pharma, LLC Laurelton, NY 11413 Rev. 10-2024-00 MF299REV10/24 LN0024
📋 Description ▾
DESCRIPTION Nizatidine, USP is a histamine H 2 -receptor antagonist. Chemically, it is N-[2-[[[2-[(dimethylamino)methyl]-4-thiazolyl]methyl]thio]ethyl]-N'-methyl-2-nitro-1,1-ethenediamine. The structural formula is as follows: Nizatidine, USP has the empirical formula C 12 H 21 N 5 O 2 S 2 representing a molecular weight of 331.46.
It is an off white to buff crystalline solid that is soluble in water. Nizatidine has a bitter taste and mild sulfur-like odor. Each capsule for oral administration contains nizatidine, USP, 150 mg (0.45 mmol) or 300 mg (0.91 mmol), croscarmellose sodium, corn starch, dimethicone, partially pregelatinized starch (Corn), povidone, talc.
Ingredients for 150 mg capsule shell: gelatin, iron oxide yellow, titanium dioxide. Ingredients for 300 mg capsule shell: D&C red 28, FD&C blue 1, FD&C yellow 6, gelatin, titanium dioxide. Ingredients for 150 mg capsule shell: gelatin, iron oxide yellow, titanium dioxide.
Ingredients for 300 mg capsule shell: D&C red 28, FD&C blue 1, FD&C yellow 6, gelatin, titanium dioxide. Ingredients for the ink used in capsule printing are ammonia solution concentrated, butyl alcohol, black iron oxide, dehydrated alcohol, isopropyl alcohol, propylene glycol, potassium hydroxide, shellac. Structure