Pimples are of various types. Not all pimples require antibiotics. Taking antibiotics randomly is not a good idea. Incomplete course or inappropriate dosage can lead to antibiotic resistance and failure to cure in future. It would be advisable to show your pimples and get the most suitable treatment. Normally azithromycin , doxycycline, minocycline are antibiotics used in acne treatment. You can take online consultation also.