It is a fixed-dose formulation of two antibiotics: sulfamethoxazole and trimethoprim. Available in dosages as follows 200 mg /400 mg and 800 mg.


This combination is used to treat ear infections, urinary tract infections, bronchitis, pneumonia, and pneumocystis jirovecii infection. Shigellosis, traveller’s diarrhea, otitis media-related infections, other infections such as prostatitis, brucellosis, nocardiosis, and some infections of the gastrointestinal tract too can be well managed with this remedy.

Side effects

Some of the side effects observed are nausea, vomiting, loss of appetite, diarrhea that is bloody or watery, rashes on the skin, severe stomach pain, a dry cough, fever and redness, small pus-filled bumps on the skin, unusual vaginal discharge, itching, or an unpleasant odour.


In cases of liver disorders or renal impairment, the dosage is to be adjusted accordingly. In people with a history of low blood platelet count, it should be used cautiously.


It should not be used during pregnancy because it can cause congenital malformations in the fetus, such as neural tube defects and oral clefts. Patients with hypersensitivity and drug-induced immune thrombocytopenia.

Dosage and administration

This fixed combination is to be taken orally after meals. Tablets consisting of 200, 400, or 800 mg are to be administered via the oral route. Dosage and duration vary depending on the type of bacterial infection.


We have entered and ventured ourselves into many countries, such as Morocco, Bhutan, Estonia, Finland, Sudan, Cuba, Ethiopia, and Chile.

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