Megamentin 625 Tablet is a penicillin-type of antibiotic that helps your body fight infections cautilized by bacteria. It is utilized to treat infections of the lungs (e.g., pneumonia), ear, nasal sinus, urinary tract, skin, and soft tissue. It will not work for viral infections such as the common cold. Megamentin 625 Tablet is best taken with a meal to reduce the chance of a stomach upset. You should take it regularly at evenly spaced intervals as per the schedule recommended by your doctor. Taking it at the same time every day will help you to remember to take it. The dose will depend on what you are being treated for, but you should always complete a full course of this antibiotic as recommended by your doctor. Do not stop taking it until you have finished, even when you feel better. If you stop taking it early, some bacteria may survive and the infection may come back or worsen. The most common side effects of this medication include vomiting, nausea, and diarrhea. These are usually mild but let your doctor know if they bother you or will not go away.