HomeAnswersDermatologyarmpit rashesWhat can cause rashes under the armpit, back, and chest with no other symptoms?

I noticed rashes under the armpit, back, and chest with no other symptoms. What is it?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

Dr. Sneha Kannan

Published At April 3, 2020
Reviewed AtNovember 29, 2023

Patient's Query

Hi doctor,

I am a 39-year-old male. I noticed a couple of small rashes present under my armpit. Before three weeks, I got a rash on my chest and back. It was not itchy. It got spread slowly in my chest and back. I have few rashes on my upper arms. I have some different types of pimples on my buttocks and a few on my knees. I have tried using Hydrocortisone 1% cream for two weeks. But there is no relief. I was taking Testosterone Enanthate 100 mg for a week, DHEA 25 mg, and Arimidex 1 mg for six months. But there was no relief. I changed the dose to 50 mg of DHEA, Arimidex 1 mg, and Testosterone Enanthate. I took a single dose of Testosterone Cypionate along with it. After a week, I did an HCG test. So stopped these medicines. My rashes are not gone. I do not have any hair loss, headaches, mouth issues, and pain. I do not have any past medical history.

Hi,

Welcome to icliniq.com.

You have these lesions due to a type of fungal infection called tinea versicolor. This fungus is present commonly in all people. But in some cases, it occurs in people having a lot of sweating or people taking steroids. It causes lesions on the chest and legs. You can take capsule Itraconazole 200 mg once daily with meals for seven days. You can use Ketoconazole soap for bathing. Use Itraconazole cream twice daily for three weeks. Your fungal infection can get cleared soon. But hyperpigmentation takes a time of four to six weeks to get resolved.

The Probable causes

You seem to have Malassezia furfur.

Investigations to be done

You need to do KOH (potassium hydroxide) scraping for confirmation.

Differential diagnosis

You seem to have pityriasis rosea.

Probable diagnosis

You can have tinea versicolor.

Preventive measures

Avoid having sweating.

Regarding follow up

Have a follow-up after four weeks.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Subhash Kashyap
Dr. Subhash Kashyap

Dermatology

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