HomeAnswersDermatologycholinergic urticariaWhy does my back rash itch when I sweat?

I have a rash on my back which gets aggravated when I am in stress.What could it be?

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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

iCliniq medical review team

Published At May 13, 2015
Reviewed AtFebruary 6, 2024

Patient's Query

Hello doctor,

  • I have had a rash on my back, neck and chest for over a month.
  • I visited my physician and she thought it could be a fungal infection.
  • She prescribed an anti-fungal medication which I took for 2 weeks.
  • However, the medication did not do anything, and the rash is still present.
  • It gets itchy when I sweat and the biggest portion of the rash is on my back.
  • The rash is slightly scaly, but it does not flake or ooze.
  • It is slightly raised.
  • The rash appears to be a cluster of defined circular patches.

Please advice.

Hi,

Welcome to icliniq.com.

I have gone through your query and attachments. (attachment removed to protect patient identity)

It is not looking like fungal infection.

It is more in favour of urticaria.

  • Does it remain the same or fades with time and recur again?
  • Does it aggravate with physical exercise or sun exposure?
  • Are you on any medications?
  • As for now, take tablet Allegra180mg once daily and tablet Teczine M once daily at night.

Revert back with the details to a dermatologist online --> https://www.icliniq.com/ask-a-doctor-online/dermatologist

Patient's Query

Hello doctor,

  • The only medication I am currently taking is an oral contraceptive, which I have been taking for several years.
  • The rash does seem to fade at times and become more prominent when I am in a stressful situation.
  • The rash gets aggravated after exercising.
  • It has completely faded at times and then come back a few weeks later.
  • It usually lasts a few weeks before it fades, but this time it seems to be lasting longer.
  • I have started taking the Allegra but I am not sure what Teczine is. 

Thank you.

Hi,

Welcome to icliniq.com.

Yes, you are suffering from urticaria and more precisely the type is cholinergic urticaria.

To be frank, this is considered as a nightmare of the dermatologists as it is very difficult to treat.

In most cases, it will subside on their own but it may take 7-8 years.

Tablet Teczine M contains Levocetirizine and Montelukast.

I have prescribed you the first line approved medicines for urticaria considering that they would respond.

If not hypotensive please take tablet Inderal 10mg once daily.

Revert back to a dermatologist online after 3 weeks for review --> https://www.icliniq.com/ask-a-doctor-online/dermatologist

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

Dr. Atishay Bukharia
Dr. Atishay Bukharia

Dermatology

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