Hi......
Acne at ur age group is very common problem. Its mainly due to androgens -male harmone.Other causes being stress, infections, ect.Red pimples are inflammatory acne n black pimples are comidones.Black spots fallowing acne is post inflammatory pigmentation. They may also occur due to scratching acne.Many treatment options are available for acne like topical n oral antibiotics, retinoids; chemical peeling, lasers n others. Mode of treatment depends on severity of acne.consult a dermatologist for appropriate treatment. Have a good day
Answered2016-01-31 13:41:51
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