hyperpigmentation of arms

My 14 yr old son developed brown patches of skin on his arms about 1 1/2 yrs ago.  He showed them to the pediatrician but she was unconcerned but had no explaination for them.  They have cleared up twice but returned again shortly.  He has also gotten smaller patches on his face and chest that have cleared up but not returned.  I would like to know what it is and most importantly the cause and if we should seek a second opinion.  They don't hurt or itch.  

Thank you.

[sc433he]

bump  Please help

[sc433he]

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[Bhupinder Kaur, MD]

Hello,
I cannot confirm anything without examination but it looks like pityriaiss versicolor. It is a common skin infection caused by the yeast Malassezia furfur. This skin disease commonly affects adolescents and young adults, especially in warm and humid climate.
Most cases of fungal infection respond to over-the-counter products, which contain any of several basic ingredients: miconazole, tolnaftate, terbinafine, ketaconazole and clotrimazole. You can consult a pharmacist and get any cream or lotion containing these ingredients. Some of them are Lamisil, Monistat derm, Mycelex, and Nizoral.

If the symptoms persist then please consult a dermatologist.
I hope it helps. Take care and please do keep me posted in case you have any additional doubts. Kind regards.

[sc433he]

Thank you so much.  I really appreciate you taking the time to answer.  It is such a relief to have an answer.

[Bhupinder Kaur, MD]

Hi,

Hope your son has a speedy recovery.Take cae and God bless.