Sure Kit (H Pylori Kit) 7'sSure H. pylori Kit is a combination medication used to treat Helicobacter pylori (H. pylori) infections, which can cause peptic ulcers and gastritis. The kit contains Lansoprazole (30 mg), Clarithromycin (500 mg), and Tinidazole (500 mg). Lansoprazole reduces stomach acid production, Clarithromycin is a macrolide antibiotic that inhibits bacterial protein synthesis, and Tinidazole is an antibiotic that fights anaerobic bacteria and protozoa. Dosage