Acne is a disease of the hair follicles of the face, chest, and back Acne occurs when sebaceous (oil) glands attached to the hair follicles are stimulated at the time of puberty or due to other hormonal changes. Acne usually improves around the age of 20, but may persist into adulthood. Instead of Tetralysal, you can use doxycycline which is a safer antibiotic. Do not drink alcohol along with it as it will cause addition gastrointestinal side effects. Taking antibiotics irregularly causes development of resistance. So do not interrupt your treatment. Advice 1. Apply locally clindamycin 1% solution/gel at bed time for a month 2. Doxycycline 50 mg per oral daily for 1 month 3. Use Acne aid soap three time daily for cleaning your face 4. Do not squeeze pimples as it will cause scarring 5. Try to avoid use of unbranded cosmetics unnecessarily Thanks