Gudcef 200 Tablet is an antibiotic medicine used to treat bacterial infections in your body. It is effective in infections of the lungs (e.g., pneumonia), urinary tract, ear, nasal sinus, and throat. It kills bacteria, which helps to improve your symptoms. Gudcef 200 Tablet should be taken with food. You should take it regularly at evenly spaced intervals or as per the schedule prescribed by your doctor. The dose will depend on what you are being treated for, but you should always complete a full course of treatment prescribed 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. It will not work for viral infections such as the flu or the common cold. Using any antibiotic when you do not need it can make it less effective for future infections.The most common side effects of this medicine include nausea, stomach pain, and headache. If any of these side effects persist or worsen, let your doctor know. They may be able to suggest ways to manage or treat them.Before using it, you should tell your doctor if you are allergic to any antibiotics or have any kidney or liver problems.  If you are pregnant or breastfeeding, consult your doctor before using it. It may blur your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.