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(nit-a-zox-a-nide) ,


(trade name)


Therapeutic: antiprotozoals
Pharmacologic: benzamides
Pregnancy Category: B


Treatment of diarrhea due to Cryptosporidium parvum and Giardia lamblia.Not effective for C. Parvum diarrhea in HIV-infected patients.


Interferes with electron transfer reaction necessary for anaerobic energy metabolism of offending organisms.

Therapeutic effects

Antiprotozoal action resulting in decreased diarrhea.


Absorption: Following oral administration, nitazoxanide is rapidly converted to tizoxanide which is the active metabolite; tizoxanide is further metabolized.
Distribution: Unknown.
Protein Binding: >99%.
Metabolism and Excretion: Tizoxanide—excreted in urine, bile and feces; inactive metabolites excreted in urine, bile and feces.
Half-life: Unknown.

Time/action profile (blood levels)

POunknown†1–4 hr12 hr
†Onset of antidiarrheal activity is 24–48 hr


Contraindicated in: Hypersensitivity.
Use Cautiously in: Hepatic and/or renal impairment; Diabetics (contains 1.48 g sucrose/5 mL); Children <1 pregnancy or lactation (safety not established).

Adverse Reactions/Side Effects

Central nervous system

  • dizziness

Ear, Eye, Nose, Throat

  • yellow eye discoloration


  • abdominal pain
  • diarrhea
  • vomiting


  • discolored urine


  • pruritus
  • sweating


  • fever


Drug-Drug interaction

May interact with other highly protein-bound drugs by competing for binding sites.


Oral (Adults and children ≥ 12 yr) 500 mg every 12 hr for 3 days.
Oral (Children 4–11 yr) 200 mg (10 mL) every 12 hr for 3 days.
Oral (Children 1–4 yr) 100 mg (5 mL) every 12 hr for 3 days.


Tablets: 500 mg
Oral suspensionstrawberry: 100 mg/5 mL in 60 mL bottle

Nursing implications

Nursing assessment

  • Assess frequency and consistency of stools and bowel sounds before and during therapy.
  • Assess fluid and electrolyte balance and skin turgor for dehydration.

Potential Nursing Diagnoses

Diarrhea (Indications)


  • Oral: Administer with food. Keep container tightly closed and shake well before each administration. Suspension may be stored at room temperature for 7 days; discard unused portion.
    • Pedi: Tablets contain more than pediatric dose; use solution for patients ≤12 years.

Patient/Family Teaching

  • Explain to parents administration of medication and monitoring of condition.

Evaluation/Desired Outcomes

  • Resolution of symptoms: no watery stools, no more than 2 soft stools within the past 24 hr and no unformed stools within the past 48 hr.


an antiprotozoal agent used to treat diarrhea caused by Cryptosporidium parvum or Giardia lamblia.


A synthetic salicylamide derivative and antiprotozoal that is active against Cryptosporidium parvum or Giardia lamblia infection, and which appears to also have activity against hepatitis B and hepatitis C.


A thiazolide anti-infective drug used to treat diarrhoea caused by Cryptosporidium parvum , Giardia lamblia, Entamoeba histolytica , Blastocystis hominis , Clostridium difficile and rotavirus.
References in periodicals archive ?
Mohsen Alinia, 45, of Three Spires Avenue, Radford, admitted being concerned in the production of the class B drug cannabis.
Lupin's current brands sales force will promote InspiraChamber in the US market and the product will be marketed along with other Lupin brands, including Suprax, Alinia for Oral suspension, Locoid Lotion and Antara.
As per the deal, the company gets exclusive rights to promote, distribute and market Alinia for oral suspension in the U.
Announces Acquisition of Exclusive US Rights to Alinia for Oral Suspension
VICTIM: Alinia Sarag, inset, died of TB last month.
The best are Alinia, Arun's, Avenues, Charlie Trotter's plus Everest and Seasons.
In addition, your doctor can prescribe Alinia or another anti-parasitic prescription drug for the first stage of your treatment.
Romark Laboratories, which manu factures nitazoxanide under the trade name Alinia, supported the study; the drug is approved for the treatment of Cryptosporidium- and Giardia-related diarrhea in adults and children.
Fortunately, the FDA recently approved a safe and effective medication called Alinia (nitazoxanide), a three-day treatment for children affected by Cryptosporidium and Giardia.
Jean-Francois Rossignol, inventor of Alinia (nitazoxanide), the first FDA-approved treatment for cryptosporidiosis.
CASES heard at Coventry Magistrates Court on Friday, May 8, included: Mohsen Alinia, 44, of Three Spires Avenue, Radford, admitted producing 36 cannabis plants.
With therapy, I test on the machine whether the patient responds to tinidazole, Alinia, albendazole, other antiparasitical drugs, or herbal preparations.