They prevent creation of acid by blocking histamine, a chemical that promotes acid creation. Nonprescription strengths are obtainable, but for most people with tummy ulcers the more powerful prescription variations are needed. H2 blockers work nicely in reducing pain and acid. They could take a few days to start having an effect. Treatment with H2 blockers often takes 6-8 weeks. Acid pump inhibitors: These medicines are also called proton pump inhibitors . This group contains omeprazole , lansoprazole , rabeprazole , and pantoprazole , dexlansoprazole , and esomeprazole . Proton pump inhibitors are more powerful than H2 blockers even. They function by stopping the ‘pump’ that secretes acid in to the stomach. They are being used significantly in triple and dual regimens for infection.People who have chlamydia are often infected with various other STDs and for that reason should undergo examining for other infections that may be present simultaneously. Their sexual contacts should also then be evaluated for chlamydial disease. The most common reason behind the recurrence of chlamydia an infection is the failing of the companions of infected people to receive treatment. The infected person then becomes reinfected from the untreated partner originally.