Bactrim - a combined drug, containing two active ingredients: sulfanamide drug sulfamethoxazole and derivative of diaminopyrimidine - trimethoprimum. Colibacillus life activity oppresses that leads to reduction of synthesis of thymine, riboflavinum, niacin, etc. group B vitamins in intestines. Duration of therapeutic effect makes 7 years.

The drug is a prodrug and is activated in the acidic environment of the secretory tubules in the parietal cells. It reduces basal and stimulated secretion regardless of the nature of the stimulus. Prescribed in case of erosive ulcerative diseases of the gastrointestinal tract and eradication of Helicobacter pylori in infected patients with gastric and duodenal ulcer.

Septra - Sulfamethoxazole is an antibiotic that treats various types of infections caused by bacteria. The combination of sulfamethoxazole and trimethoprim is used to treat ear infection, urinary tract infection, prostate infection, bronchitis, travelers' diarrhea and pneumocystis pneumonia. The drug is available in the form of tablets, as well as in liquid form.