Minoster-50 Capsule 10's is used to treat a wide range of bacterial infections. It treats urinary tract infections, intestinal infections, respiratory infections, sexually transmitted infections (like gonorrhoea and syphilis), skin infections, and others. Besides this, it also treats acne-like lesions caused by rosacea. It contains Minocycline, which stops the growth of bacteria. It may cause side effects such as headache, photosensitivity (extreme sensitivity to ultraviolet (UV) rays from the sun and other light sources), dizziness, vomiting, itching, nausea, dizziness, and diarrhoea. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.