I have pimple acne spots and pigmentation please...

Dear Customer
Welcome, and thank you for trusting us
What is the treatment of acne?
1. Tetracycline antibiotics and topical antibiotics such as clindamycin
2. Retinoic acid or vitamin A in sever cases (pills)
3. Avoid sweets, carbohydrates and starches and they cause aggravation of the situation. This speech is not true and scientifically not proven
What causes acne?
1. Sex hormones during puberty
2. Infection bacteria
3. Some types of drugs skin irritation and causes of acne such as lithium, isoniazid and cortisone
4. Psychological stress
What are the symptoms associated with acne?
1. Scarring the place of acne that the patient has scratch, so it is advised to avoid it because scar is difficult to remove
2. pimentation of skin
What are the tests needed to diagnose acne?
1. Clinical examination
2. Take a sample and examine it under a microscope 
I hope my answer was helpful, please let me know if you have any follow up questions. If you feel I've answered your question already, please rate my answer from top of the page. Your feedback helps to ensure only the best experts are available to help you.
You can also ask questions of our other specialists in the areas of nutrition, 
Kind Regards