Q. What is causing pimples on the back and shoulders?

Answered by
Dr. Rakesh Kumar Bahunuthula
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Jan 23, 2019

Hello doctor,

I have been developing pimples on the back of shoulders and on shoulders as shown in the photos attached. What could be the reason for this and what are the medications?

Dr. Rakesh Kumar Bahunuthula

Cosmetology Dermatology HIV/AIDS Specialist Venereology


Welcome to icliniq.com.

Acne occurs not only on the face but also on the upper back and chest. It is usually due to the hormonal activity over the oil glands of the body. Your pictures (attachment removed to protect patient identity) are suggestive of a combination of truncal acne and Pityrosporum folliculitis. This could be due to your young age, tight clothing, excessive sweating, humid climate, foods with high glycemic index and improper hygiene.

Differential diagnosis:

Truncal acne or Pityrosporum folliculitis.

Treatment plan:

1. Acnil soap for bath.
2. Ketoconazole lotion (Kevon stay on lotion or KZ lotion) in the morning after bath.
3. Benzoyl peroxide gel (Persol forte cream) at night.

Preventive measures:

Decrease foods with high glycemic index, take bath daily, avoid tight-fitting clothes.

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