Talking to a doctor can help you get a better understanding of how to treat the diarrhea caused by cryptosporidiosis and giardiasis.

Below are some questions you can ask your doctor during your next visit:

  • How are giardiasis and cryptosporidiosis diagnosed?
  • What are some common symptoms?
  • What can someone with diarrhea eat?
  • How long do symptoms last?
  • Are there effective ways to reduce the risk of infection?
  • Can medications like Alinia® help relieve the symptoms?

Make sure to tell your doctor if any of the following apply to you or a family member, since it might help them narrow down what’s causing illness and identify the next steps to take:

  • You or a family member is experiencing diarrhea, with or without abdominal cramps, nausea, vomiting, or dehydration.
  • You are caring for someone who is experiencing the above symptoms.
  • Your child attends daycare or you have been in contact with children who attend a day care center.
  • You or a family member recently swam in recreational water (e.g., swimming pool, water park, lake, pond, river, stream) or drank untreated water (from a well or other source).
  • You or a family member recently ate unwashed raw fruit or vegetables, or ate improperly prepared food.
  • You or a family member has recently traveled outside of the country.
  • You or a family member handled an infected animal such as a cow or calf.

Talk to your doctor to see if Alinia is right for you Please see the full Prescribing Information for more information.


ALINIA® for Oral Suspension (patients 1 year of age and older) and ALINIA Tablets (patients 12 years and older) are indicated for the treatment of diarrhea caused by Giardia lamblia or Cryptosporidium parvum.
Limitations of Use: ALINIA for Oral Suspension and ALINIA Tablets have not been shown to be effective for the treatment of diarrhea caused by Cryptosporidium parvum in HIV-infected or immunodeficient patients.

Important Safety Information regarding ALINIA:

  • Do NOT take ALINIA Tablets or ALINIA for Oral Suspension if you are allergic to nitazoxanide or any other ingredient in the formulations.
  • ALINIA Tablets or ALINIA for Oral Suspension should be taken with food.
  • ALINIA Tablets should NOT be taken by children 11 years or younger.
  • ALINIA tablets and ALINIA for Oral Suspension should be taken with food.
  • Please discuss with your doctor if you:
    • have hepatic, biliary, or renal disease.
    • are taking any other medications (for example, warfarin).
    • are a pregnant or a nursing woman.
    • are 65 years of age and older.
    • are HIV infected or have an immune disease (such as AIDS).
  • The most common side effects reported for ALINIA Tablets and ALINIA for Oral Suspension during clinical trials were abdominal pain, headache, chromaturia and nausea.

*For more information, please read the Full Prescribing Information.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit, or call 1-800-FDA-1088, or contact Romark at 1-813-282-8544.

Alinia is a registered trademark of Romark, L.C.

Intended only for residents of the United States of America. ©2021 Romark, L.C., Tampa, Florida 33607-8416

The information contained in this website is provided for educational purposes only and is not intended to replace discussions with a healthcare provider. Alinia is not right for everyone. Decisions regarding healthcare must be made with a healthcare provider, considering the unique characteristics of the patient.