My son is 14 yrs old. He has pimples on his face that is on cheeks and forehead and little on the back of the neck . he also has dandruff on his scalp . A dr has prescribed: 1. Cap Doxy - 1L( after dinner 1 cap for 3 weeks) 2.Cap. Zevit (1 in a day for 3 weeks) 3. Arcolane Scalp Solution ( twice a week for hair) 4. Clingard gel ( apply once daily) 5. Deriva - cms gel ( apply once at night) Are all the medicines safe to use , will there b any side effects? He has spectacles also. Pls dr kindly help us.