Minocin 50 is an antibiotic medicine used to treat bacterial infections in your body. It is effective in some infections of the lungs, urinary tract, eyes, and others. It kills bacteria, which helps to improve your symptoms and cure the infection. Minocin 50 is also used to treat many sexually transmitted diseases and a skin condition known as acne. It may be taken with or without food. However, you should take it regularly at evenly spaced intervals as per the schedule prescribed 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 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. Commonly seen side effects seen with this medicine include headache, dizziness, vomiting, nausea, diarrhea, and skin reaction on exposure to sunlight (photosensitivity). Avoid excessive sun exposure and use sunscreen and protective clothing when outdoors. These are usually temporary and subside with the completion of treatment. Consult your doctor if you find these side effects bother or worry you. Inform your doctor if you have any previous history of allergy to any antibiotic or liver or kidney problems before taking this medicine. You should also let your doctor know all other medicines you are taking as they may affect, or be affected by this medicine. Pregnant or breastfeeding women should consult their doctor before using it. It may blur your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.