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Dr .Saha
Dr .Saha, DOCTOR
Category: Dermatology
Satisfied Customers: 17813
Experience:  35 years of experience
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what is a hard bump under the skin on back of shoulder when

Resolved Question:

what is a hard bump under the skin on back of shoulder when squeezed dard white stuff comes out?
Submitted: 7 years ago.
Category: Dermatology
Expert:  Dr .Saha replied 7 years ago.

How large was the bump ?

Is there any pain, tenderness?

Thank you.
Customer: replied 7 years ago.
about the size of a pencil eraser and very little pain or tenderness i did not even notice my wife saw it and it hurts a little after squeezing it
Expert:  Dr .Saha replied 7 years ago.
Thank you for the information,

From your symptoms it appears to be sebaceous cyst.

It can also be acne eruption or white head.

This needs to be confirmed by your doctor.

Usually warm moist compress will help to heal.

In some cases there can be infection & will need antibiotics,

I hope this information will be helpful.

Please ask if you need any clarification.

Best wishes.
Dr .Saha and other Dermatology Specialists are ready to help you
Customer: replied 7 years ago.
what would be a cause of this type cyst
Expert:  Dr .Saha replied 7 years ago.
The cause is due to swollen hair follicle.

Trauma to skin can initiate it.