Pimples are medically referred to as acne. Acne from drinking milk may be caused by the high sugar content in milk along with high fat content. When you have acne, you can apply topical retinoids such as retinoic acid cream and adapalene gel, or use metronidazole gel. Drinking milk is not recommended for acne patients. Excessive intake of sugar can cause sebaceous glands to secrete, while too much sugar can aggravate bacterial reproduction. Excessive intake of fat content can block the sebaceous glands and make acne more likely. You can use retinoids, such as retinoic acid cream and adapalene gel, or metronidazole gel under your doctor’s supervision. Usually reduce the intake of sweets and eat less spicy and stimulating food. Drink more water and exercise to promote the body’s metabolism. At the same time drink milk is easy to acne people should drink less milk. Drinking milk acne serious, need to actively to the hospital, follow the doctor’s advice reasonable treatment.