Indication and Important Safety Information: Acanya Gel is indicated for the topical treatment of acne vulgaris in patients 12 years of age or older. Side effects may include redness, scaling, itching, burning, and stinging. Do not use Acanya Gel if you are allergic to clindamycin, or if you have a history of inflammation of the colon (colitis). Clindamycin, the antibiotic in Acanya Gel, may cause diarrhea. If you experience diarrhea, stop using Acanya Gel immediately and contact your doctor. Avoid using tanning beds or sun lamps, and limit your time in sunlight after applying Acanya Gel. Avoid applying Acanya Gel in mouth, eyes, or nose, or on lips.