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