What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Alinia (Nitazoxanide)


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Generic Equivalent - Alinia (Nitazoxanide)

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  • Product Details


    Alinia (nitazoxanide) is used to treat diarrhea caused by Giardia lamblia or Cryptosporidium parvum.

    Alinia is available in 500 mg tablets and a 100 mg/5 mL oral suspension.


    Take Alinia exactly as your doctor has prescribed. You should complete the full course as prescribed, even if you start to feel better.

    Alinia tablets should not be given to patients who are 11 years old and younger. 

    The recommended dosage of Alinia depends on the patient's age:

    One to three years old: 5 mL of suspension by mouth every 12 hours with food

    Four to 11 years old: 10 mL of suspension by mouth every 12 hours with food

    12 years and older: one tablet by mouth every 12 hours or 25 mL of suspension by mouth every 12 hours with food

    The duration of treatment is three days.

    Store the oral suspension at room temperature for 7 days, then discard any remainder.


    Alinia contains nitazoxanide, an antiprotozoal.


    Do not take Alinia if you are allergic to any of its ingredients.

    Fact Table




    US: FDA


    Very good

    Legal status

    US: RX Only

    Chemical Name


    Elimination half-life

    3.5 hours

    Dosage (Strength)

    500mg (30 tablets)


    Consult a doctor


    Alinia, Nizonide

    Protein binding


    PubChem CID






    ATC code






    Routes of administration

    By mouth (tablets)


    • Before you begin treatment with Alinia, tell your doctor about:
      • All the medications you take
      • Your allergies
      • Your health history and current health problems
      • Your pregnancy or breastfeeding status

    Side Effects

    Alinia side effects include stomach pain, headache, abnormal color of the urine, and nausea. However, these are not all the side effects that may occur. Contact your doctor right away if you have side effects that bother you or won't go away.


    Alinia. Tampa, FL: Romark, L.C.; 2017.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 10039

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