What is the etiology/best treatment for these (post-acne) raised bumps/scars? (Photos)

25yo male with a history of acne since early adolescence. Have used benzoyl peroxide and AHA for about 3+ years with resolution of acne, but about a year ago started getting these raised bumps which are flesh colored, non-painful and don't seem "inflamed" (see photos). Would love to know what is causing them, and what can prevent and/or treat them. Any insight much appreciated!

Doctor Answers 5

​What is the etiology of these bumps from acne scars and how to get rid of them

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What is the etiology of these bumps from acne scars and how to get rid of them. Those bumps from acne scars are basically your body's fight two get rid of the infection. This eventually led to collegen deposition. The depressed scars are usually due to the fact that the bacteria and inflammation took over the area and started degrading your tissues instead of building up and those are what leads to the depressed scars. The treatment includes a multi-modality treatment and you can do this all at the same time. You have lasers to take down your elevated scars and you have lasers to pull up your scars. The question is how to do it. We have  a 5 to 7 step process that treats all types of acne scars in one treatment that done in about 2 hours

Bellevue Facial Plastic Surgeon

Nodular hypertrophic acne scars

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If you look up the literature these scars are not common, and realistically I see 1 in 50 patients with this form of scars. They are hard, whitish in colour and almost 'seed like'. They respond well to a series of small CS injections or a series of Co2 fractional laser and steroid drip method under occlusion. See a good derm. or plastics. All the best, Dr Davin Lim. Brisbane. Australia. 

Acne with acne scarring treatment

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This should be seen by a doctor now for better treatment. I would recommend a Retin A and either Infini or laser treatments. Darker skin is safer to be treated with the Infini. I think this will make your skin smoother and control the acne better. Chemical peels might also be useful.

Steven F. Weiner, MD
Panama City Facial Plastic Surgeon
4.9 out of 5 stars 75 reviews


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Fraxel is a laser skin rejuvenation treatment that resurfaces your outer skin, erasing imperfections. It also encourages the production of collagen, a protein found in connective tissue.The result is clearly visible lines, folds and wrinkles. Fraxel laser skin rejuvenation is a non-invasive technique that affects only about 20 percent of the facial skin exposed to it. The most common side effects of Fraxel laser treatment are swelling and skin redness, which should subside within a couple of days. Other temporary side effects may include minor itching, dry skin, peeling or flaking, and a bronzed skin appearance. The risk of infection or scarring is very limited. You should stay out of the sun 2-4 weeks.

Elliot M. Heller, MD
New York Facial Plastic Surgeon
4.5 out of 5 stars 96 reviews

Acne scars and treatment

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Thanks for your question. Acne scars and other atrophic scars can be improved tremendously by laser skin resurfacing, which stimulates your body to fill in under the scars with collagen. You may also use injectable fillers to raise scars and give the skin a smooth appearance. Hypertrophic scars can be treated with steroid injections that will diminish their appearance. Along with the natural reduction of the scar, this gives very good results. Hope this helps! Best, Dr. Katz

Bruce E. Katz, MD
New York Dermatologic Surgeon
3.8 out of 5 stars 17 reviews

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.