Pimples problem from last 2 months?

hii i am 25..i have pimples on my face from last 2 months..i drink water atleast 8 to 10 glasses everyday and i do cleansing everynight before i go to sleep...bt still my pimples are coming out...plz suggest me wat to do???evn i hv tried clindamycin gel and azithromycin tablets bt still nt wrkng...and now i am using margo neem oil soap as a face wash and lacto calamine as a sunscreen..should i continue or nt???