| Active Ingredient | Nitazoxanide |
| Manufacturer | Kachhela Medex Pvt. Ltd. |
| Packaging | 4 Tablets in 1 strip |
| Strength | 500mg |
| Delivery Time | 14-16 Days |
| SKU | 18 |
| Pack | Price | Qty | Add |
|---|---|---|---|
| 100 Tablets | $150.00 | ||
| 300 Tablets | $350.00 | ||
| 500 Tablets | $550.00 | ||
| 800 Tablets | $800.00 | ||
| 1000 Tablets | $950.00 |
Nitazoxanide 500mg is a prescription thiazolide-class antiparasitic and antiviral medicine used to treat certain parasitic and protozoal infections. Each tablet contains 500mg of Nitazoxanide as the active ingredient, manufactured by Kachella Medex to pharmaceutical quality standards.
Available in multiple pack sizes — 100, 300, 500, 800, and 1000 tablets — with tracked delivery in 12 to 16 days.
Nitazoxanide is an FDA-approved thiazolide antiparasitic compound with demonstrated clinical activity against certain protozoal parasites and select viral organisms. It is approved by the U.S. Food and Drug Administration for treating diarrhea caused by specific parasitic organisms in appropriate patient populations.
The 500mg tablet is the standard adult formulation used in USA clinical practice and serves as the generic equivalent of the reference brand Alinia — containing the same active ingredient in the same established strength.
A lower-strength oral suspension exists for pediatric patients under 12 years. The 500mg tablet is indicated for adults and adolescents aged 12 years and older.
This medicine should only be started following proper clinical evaluation and a valid prescription from a licensed healthcare professional.
Kachella Medex produces Nitazoxanide tablets in compliance with applicable pharmaceutical manufacturing and quality standards.
Nitazoxanide works by targeting a critical enzyme pathway that parasitic organisms depend on for energy production and survival within the human body.
The primary mechanism involves inhibition of the pyruvate ferredoxin oxidoreductase (PFOR) enzyme — a key enzyme central to anaerobic energy metabolism in parasitic protozoa and certain anaerobic bacteria. By disrupting PFOR activity, Nitazoxanide cuts off the parasite's ability to generate the energy it needs to survive and replicate.
Its active metabolite Tizoxanide carries out this action after Nitazoxanide is absorbed and converted through normal metabolic processes in the liver.
Beyond antiparasitic activity, Tizoxanide also interferes with certain viral replication mechanisms — which accounts for the antiviral properties observed in clinical research settings. This dual mechanism distinguishes Nitazoxanide from conventional single-action antiparasitic medicines and makes it a clinically relevant option across a broader range of susceptible organisms when prescribed appropriately.
| Category | Details |
|---|---|
| FDA-Approved Indications | Nitazoxanide 500mg Tablets are FDA-approved for the treatment of infectious diarrhea caused by Cryptosporidium parvum and Giardia lamblia in immunocompetent patients aged 12 years and older. These protozoal infections are among the most common causes of parasitic gastrointestinal illness in the USA. |
| Other Clinically Referenced Uses | Healthcare providers may also consider Nitazoxanide for other protozoal and parasitic gastrointestinal infections, certain helminthic infections in appropriate clinical contexts, and other parasitic conditions identified through laboratory evaluation. |
| Important Note | All prescribing decisions are made entirely by a qualified healthcare professional based on individual clinical assessment, laboratory findings, and applicable treatment guidelines. |
Nitazoxanide 500mg Tablets carry FDA approval for specific parasitic diarrheal infections, providing patients in the USA with a regulated and clinically studied treatment option. Its dual antiparasitic and antiviral mechanism through PFOR enzyme inhibition addresses a broader range of susceptible organisms compared to many conventional antiparasitic medicines.
The twice daily oral tablet format is straightforward to follow as prescribed, and the standard 500mg strength aligns with established adult dosing referenced in USA clinical practice. As the generic equivalent of Alinia, it delivers the same active ingredient as the reference brand at the same proven strength.
Patients ordering through MayoPills benefit from genuine medicines, discreet packaging, SSL-encrypted checkout, and tracked USA delivery.
Completing the full prescribed course is essential even when symptoms begin to improve before treatment ends.
Take Nitazoxanide 500mg Tablets exactly as prescribed by your healthcare provider. Do not adjust the dose, frequency, or duration without professional guidance.
Take each tablet with food, as food significantly improves absorption and clinical effectiveness. Swallow the tablet whole with a full glass of water. Take doses at evenly spaced intervals as instructed by your healthcare provider. Complete the entire prescribed course without stopping early, and never share this medicine with another person even if their symptoms appear similar.
If you have difficulty swallowing the tablet, speak to your pharmacist about suitable alternatives.
The appropriate dosage depends on several individual clinical factors including the type of parasitic infection being treated, patient age and body weight, immune status, kidney and liver function, and all other medicines currently being taken.
Only a qualified healthcare professional can determine the correct dose and treatment duration for your specific situation.
As a general clinical reference for adults and adolescents aged 12 and older, the commonly referenced dose for FDA-approved indications is 500mg taken twice daily with food for 3 days. Prescribed duration and frequency may vary depending on the specific infection type and individual patient response.
These figures are for general educational reference only. Always follow your healthcare provider's prescribed instructions exactly.
Not all patients experience side effects. Most reported effects are mild and temporary.
Commonly reported side effects include nausea, abdominal pain or stomach discomfort, diarrhea, headache, and yellow or green discoloration of urine. The urine color change is a known and completely harmless effect of how Nitazoxanide is metabolized and eliminated by the body and resolves naturally after completing the course.
Less commonly reported side effects include vomiting, dizziness, reduced appetite, and mild skin rash.
Seek immediate medical attention if you experience a severe allergic reaction including facial swelling, throat tightening, or difficulty breathing, severe or worsening diarrhea suggesting an additional gastrointestinal complication, signs of liver involvement such as yellowing of the skin or eyes or persistent dark urine, or any serious or unexpected symptom during the treatment period.
Inform your healthcare provider if you have liver or kidney disease before starting this medicine, as dose adjustment or additional monitoring may be required. If you have a known allergy to Nitazoxanide or any tablet component, do not take this medicine.
If you are immunocompromised — such as in HIV-positive status or during immunosuppressive therapy — inform your provider as the clinical response and treatment approach may differ from immunocompetent patients.
If you are pregnant or planning to become pregnant, use this medicine only when clearly necessary and under direct medical supervision. If you are breastfeeding, consult your healthcare provider before taking this medicine.
For patients under 12 years of age, the 500mg tablet is generally not recommended. A lower-strength oral suspension formulation intended for younger patients should be discussed with a qualified pediatric healthcare provider.
Tizoxanide — the active metabolite produced when Nitazoxanide is processed by the body — is highly protein-bound in the bloodstream. It may compete with other highly protein-bound medicines for binding sites, which can affect the concentration and activity of those medicines.
This includes anticoagulants such as warfarin, where protein binding competition may influence drug levels and monitoring requirements. Medicines that affect liver enzyme activity may also influence how Nitazoxanide is metabolized and cleared from the body.
Always inform your healthcare provider and pharmacist about every prescription medicine, over-the-counter product, vitamin, and herbal supplement you are currently taking before starting Nitazoxanide.
Store Nitazoxanide 500mg Tablets at room temperature below 25°C or 77°F. Keep away from direct sunlight, moisture, and excessive heat at all times.
Store in the original packaging until ready for use and keep out of reach of children and pets. Do not use tablets past their printed expiry date.
Dispose of any unused or expired tablets following local USA pharmaceutical waste disposal regulations and do not discard in regular household waste or flush down drains.
Q: What is Nitazoxanide 500mg used for?
A: Nitazoxanide 500mg Tablets are FDA-approved for treating infectious diarrhea caused by Cryptosporidium parvum and Giardia lamblia in immunocompetent patients aged 12 and older. Healthcare providers may also prescribe it for other parasitic infections based on individual clinical assessment.
Q: Is Nitazoxanide FDA-approved?
A: Yes. Nitazoxanide holds FDA approval for the treatment of diarrhea caused by Cryptosporidium parvum and Giardia lamblia in immunocompetent patients aged 12 years and older. The 500mg tablet is the generic equivalent of the reference brand Alinia.
Q: Why does urine change color while taking Nitazoxanide?
A: Yellow or green discoloration of urine is a known and completely harmless effect of how Nitazoxanide is processed and eliminated by the body. It resolves naturally after completing the prescribed course and does not indicate any medical concern.
Q: Should Nitazoxanide be taken with food?
A: Yes. Taking Nitazoxanide with food significantly improves absorption and clinical effectiveness. Always follow your healthcare provider's specific instructions regarding timing and meals.
Q: What should I do if I miss a dose?
A: If the next scheduled dose is close, skip the missed dose and continue the regular schedule. Never take two doses at the same time to compensate for a missed one.
Q: Can treatment be stopped once symptoms improve?
A: No. Always complete the full prescribed course even when symptoms improve before treatment ends. Stopping early may leave surviving organisms in the body and increase the risk of recurrence.
Q: Is Nitazoxanide safe during pregnancy?
A: This medicine should only be used during pregnancy when clearly necessary and under the direct supervision of a qualified healthcare professional. Always inform your provider if you are pregnant or breastfeeding before starting treatment.
Q: How long does the treatment course typically last?
A: Treatment duration is determined by your healthcare provider based on infection type and clinical response. For FDA-approved indications in adults, a 3-day course is commonly referenced, though your prescribed duration may vary.
Q: How should Nitazoxanide 500mg Tablets be stored?
A: Store at room temperature below 25°C, away from sunlight and moisture, in original packaging. Keep out of reach of children and pets and do not use past the printed expiry date.
Medical Disclaimer: The information shown above is for educational purposes only. Please consult your doctor or a licensed healthcare professional before taking any medicine. Never start, stop, or change any treatment without professional medical advice.
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