Indications of Nitanid 500 mg
Nitanid 500 mg is indicated for the treatment of diarrhea caused by Cryptosporidium parvum, Giardia lamblia and Entamoeba histolytica.
Theropeutic Class
Anti-diarrhoeal Antiprotozoal
Pharmacology
Nitanid 500 mg is a synthetic antiprotozoal agent for oral administration. The antiprotozoal activity of Nitanid 500 mg is believed to be interference with the Pyruvate Ferredoxin Oxido Reductase (PFOR) enzyme-dependant electron transfer reaction. This reaction is essential for anaerobic energy metabolism of the protozoa. Nitanid 500 mg and its metabolites, tizoxanid are active in vitro in inhibiting the growth of sporozoites and oocyst of Cryptosporidium parvum and trophozoites of Giardia lamblia.
Dosage & Administration of Nitanid 500 mg
Age 1-3 years: 1 tea-spoonfull or 5 ml suspension every 12 hours for 3 days. Age 4-11 years: 2 tea-spoonfulls or 10 ml suspension every 12 hours for 3 days.Age 12 years or above: 5 tea-spoonfulls (25 ml) suspension or 1 tablet every 12 hours for 3 days. It is recommended to be administered with food.
Dosage of Nitanid 500 mg
Age 1-3 years: 1 tea-spoonfull or 5 ml suspension every 12 hours for 3 days. Age 4-11 years: 2 tea-spoonfulls or 10 ml suspension every 12 hours for 3 days.Age 12 years or above: 5 tea-spoonfulls (25 ml) suspension or 1 tablet every 12 hours for 3 days. It is recommended to be administered with food.
Interaction of Nitanid 500 mg
It is highly bound to plasma protein. Therefore, caution should be exercised when administering Nitanid 500 mg concurrently with other highly plasma protein-bound drugs with narrow therapeutic index.
Contraindications
It is contraindicated in patients with known hypersensitivity to Nitanid 500 mg or any components of the preparation.
Side Effects of Nitanid 500 mg
The most frequent side effects, reported by Nitanid 500 mg are abdominal pain, vomiting and headache. These side effects are typically mild and transient in nature. Very rare side effects include- nausea, anorexia, flatulence, increased appetite, enlarged salivary glands, increased creatinine & SGPT level, pruritus, rhinitis, sweating, dizziness, discolored urine etc.
Pregnancy & Lactation
US FDA pregnancy category of Nitanid 500 mg is B. There are, however, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed. Nitanid 500 mg have been shown to be excreted in human milk. So, caution should be exercised when Nitanid 500 mg is administered during lactation.
Precautions & Warnings
Nitanid 500 mg must be administered with caution to patients with hepatic & biliary disease and to patients with renal disease.
Storage Conditions
Keep in a dry place away from light and heat. Keep out of the reach of children.
Drug Classes
Anti-diarrhoeal Antiprotozoal
Mode Of Action
Nitanid 500 mg is a synthetic antiprotozoal agent for oral administration. The antiprotozoal activity of Nitanid 500 mg is believed to be interference with the Pyruvate Ferredoxin Oxido Reductase (PFOR) enzyme-dependant electron transfer reaction. This reaction is essential for anaerobic energy metabolism of the protozoa. Nitanid 500 mg and its metabolites, tizoxanid are active in vitro in inhibiting the growth of sporozoites and oocyst of Cryptosporidium parvum and trophozoites of Giardia lamblia.
Pregnancy
US FDA pregnancy category of Nitanid 500 mg is B. There are, however, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed. Nitanid 500 mg have been shown to be excreted in human milk. So, caution should be exercised when Nitanid 500 mg is administered during lactation.