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Nitazoxanide (Generic)
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Medically reviewed by: Samuel Maaiah, PharmD

Last updated on August 18, 2021

Dr. Maaiah is a PharmD graduate who has practiced both in pharmaceutical consulting and retail pharmacy. His interests include consulting and the development and approval of new therapeutics. He currently works as a Medical Information Consultant (MIC) and as a retail pharmacist. As a MIC he helps pharmaceutical companies with projects and by consulting as a medical information expert.

When Dr. Maaiah is not working, he enjoys spending time with his family and friends, doing outdoor activities, working out, and reading.


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How to buy Alinia (Nitazoxanide) online?

Alinia can be ordered online through or by calling 1-800-828-4489 and speaking to customer support. The chat feature can also be used for support. For more information please visit the “How to Order” page on

Is a prescription required?

Yes, a valid prescription from your doctor is required. Alinia is a prescription medication and can only be sold with a prescription. To process your order, you will need to submit a prescription. The prescription can be emailed ([email protected]), faxed (1-800-416-8019), or uploaded. Alternatively, we can reach out to your doctor to attain a valid prescription if you would like.

What is the maximum amount that can be ordered?

A 3-month supply (90 days) is the maximum amount that can be ordered at one time. Refills are kept on file for future orders. The amount that can be ordered will be based on the directions and quantity indicated on the prescription from your doctor.

Is it safe to order Nitazoxanide from 90-Day Meds?

Absolutely. All our partner pharmacies are fully licensed and certified in their respective countries. We ensure that your shopping experience is safe and secure with our Norton Shopping Guarantee. We operate just like your local pharmacy would, with our main priority being to provide you access to safe and affordable prescription medication.


Average US Retail Price 90-Day Meds Price
Nitazoxanide 500 mg
(180 tablets)
$29,737.80 $105.00

How much does Nitazoxanide cost?

At our website,, we ensure that your Nitazoxanide price is the most affordable. The generic 500mg form is the only dosage form available on our website.

Is this the price for Alinia without insurance?

Our affordable prices are made available without the need for insurance. Our prices are often lower than the copay for those that have insurance. We are an affordable solution for both those that have or do not have insurance. Search for your medication to check and compare prices with your local pharmacy.

How much does shipping cost?

At 90-Day Meds, we focus on helping you save money. Our standard shipping is FREE. Based on the medication source selected you will have options at the checkout page to select tracked ($15) or express shipping option ($25) if you so choose.

What is the lowest price of generic Alinia per tablet?

At 90-day Meds, generic Alinia is $0.58 per 500mg tablet if ordered as 180 tablets (90 day quantity).


Sorry, we do not have a Alinia (Nitazoxanide) coupon at the moment, please check back later.

Yes, Check out the Coupon Section of this page.


Is there a lower cost generic Alinia (Nitazoxanide) available?

A lower cost generic for Nitazoxanide is available.

What is the difference between brand and generic Alinia?

Generic Alinia known as Nitazoxanide, contains the same active ingredient as brand Alinia. Both medications are indicated to treat the same conditions. Once the patent of a brand medication runs out then other companies can apply and manufacture the generic alternative.

How much cheaper is generic Alinia (Nitazoxanide)?

Generic drugs are typically 40-60% cheaper than the brand option.


Is shipping available to the United States?

Yes. An email notification will be sent to you once the item has been shipped. There are no shipping charges.

Is express shipping available?

Express shipping is available if there is a product choice sourced from Canada. You have the option at the checkout page to select the express shipping option ($25).

How much does shipping cost?

At 90-Day Meds, we focus on helping you save money. Our standard shipping is FREE. Based on the medication source selected you will have options at the checkout page to select tracked ($15) or express shipping option ($25) if you so choose.

Refill RX

How to refill a prescription?

Refilling your prescription is made easy with 90-Day Meds. You can sign into your online account and view your previous orders and see which prescriptions we have on file. Placing a refill order online is made simple by accessing the reorder section in your account.

You can also call us and speak to customer support to place a refill. Our live chat is also a great place to connect with us to place a refill order while you are on the go.

Are prescriptions automatically refilled?

We do not automatically refill prescriptions as there can be cases where you are no longer taking the medication, your doctor has changed your dose, etc. However, we provide a friendly refill reminder service. We will kindly notify you by phone or email as to the best time to place a refill order based on your prescription history.

Drug Information


What is Alinia?

Alinia is prescription medication that is classified as an antiprotozoal agent.


What is Alinia used for?

Nitazoxanide is used to treat diarrhea caused by Cryptosporidium parvum or Giarda lamblia.

How does it work?

It inhibits pyruvate:ferredoxin oxidoreductase, which is an enzyme that is essential for anaerobic energy metabolism in protozoa species.


How to take Anilia?

Nitazoxanide is taken as either a tablet or suspension, for diarrhea caused by G. lamblia or C. parvum (adults). This medication is taken with food or milk. Do not take more than directed by your doctor.

What dosages are available?

It is available as 500 mg tablets and 100 mg/5 mL suspension (reconstituted).

What is the recommended dosage?

 It is typically dosed 500 mg every 12 hours for 3 days but take as directed by your provider.

What is the maximum dosage?

The maximum recommended dosage is 1000 mg/day.

What if you miss a dose?

Take your next dose of Alinia as soon as possible. Skip the missed dose and return to your regular dosing schedule if it is almost time for your next dose. Never double doses.


What should you know before you take Alinia?

Alinia has not been studied in immunocompromised patients or patients with HIV for treatment of diarrhea caused by G. lamblia.

Alinia has not been shown to be superior to placebo in immunocompromised patients or patients with HIV for the treatment of diarrhea caused by C. parvum.

Some dosage forms of Alinia may contain benzoate/benzoic acid, a metabolite of benzyl alcohol, which in large amounts has been associated with a potentially fatal toxicity (“gasping syndrome”) in neonates. “Gasping syndrome” comprises of metabolic acidosis, CNS dysfunction, hypotension, cardiovascular collapse, and respiratory distress.

Some formulations of Alinia may contain sucrose.

Use of Alinia in pregnancy is limited. The active metabolite, tizoxanide, is present in breast milk.

Side Effects

What are the side effects of Alinia?

The most common side effects of Alinia include:

  • Headache
  • Abdominal pain
  • Nausea
  • Discolored urine

Speak to your doctor for a full list of side effects that apply to you if you are taking Alinia.


Does this medication interact with other drugs, foods, or alcohol?

Avoid concurrent use with warfarin.

Take Alinia with food to increase absorption.


How should this medication be stored?

Alinia Tablets

Alinia tablets should be stored at 25°C (77°F). Excursions are permitted to 15°C-30°C (59°F-86°F)

Alinia Oral Suspension

Alinia unsuspended powder should be stored at 25°C (77°F). Excursions are permitted to 15°C-30°C (59°F-86°F).

Alinia reconstituted suspension can be stored at room temperature for 7 days. After 7 days, the reconstituted suspension remaining must be discarded.

Pharmacist Tips

  • Alinia tablets and suspension should be taken with food to help increase absorption.
  • Alinia reconstituted suspension container cap should be kept tightly closed and the suspension should be shaken before each use/administration. The reconstituted suspension can be stored for 7 days at room temperature and any unused product must be discarded after 7 days.
  • Alinia tablets and suspension are not bioequivalent.
  • Use a specially marked measuring spoon or syringe to measure your oral suspension (reconstituted) of Alinia.


Can Alinia make diarrhea worse?

Alinia is usually well-tolerated, and side effects are usually mild, including diarrhea. If the diarrhea worsens, check with your doctor.

Does Alinia cause gas?

Alinia can cause gas. The FDA package insert reports this occurs in < 1% of patients ages 12 and up studied in clinical trials.

How long does Alinia stay in your system?

Alinia’s maximum active metabolites are observed within 1-4 hours. Alinia’s elimination half-life is roughly 1 to 1.6 hours.

Why is Alinia so expensive?

Alinia is an effective medication for the treatment of diarrhea caused by G. lamblia or C. parvum. Alinia is available as a generic, nitazoxanide, and coupons are available for both brand and generic versions.

How does Alinia work?

In vivo, Alinia’s activity is believed to be due to interference with pyruvate:ferredoxin oxidoreductase (PFOR) enzyme-dependent electron transfer that is essential to anaerobic metabolism. In vitro, Alinia inhibits the growth of trophozoites of G. lamblia and sporozoites and oocytes of C. parvum.


This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs before taking any medication.