There are several different things that can cause a person to have blisters on their scalp. The most likely explanation is that the person is severely allergic to some of the hair products they are using.
you are definitely not well
Working out won't cause fever blisters.
Trichomoniasis can cause a rash with red spots and itching, but doesn't cause blisters.
Your scalp may sometimes get very dry,when this occurs it becomes itchy and with a scratch it may feel good but you may be cutting your scalp with out any pain,thus causing your scalp to have scaps...
sunburns cause water blisters
Friction can cause blisters, yes - however, many sexual diseases cause blisters as well. If you have blisters on your sexual organs, you should see a doctor to make sure it's not a disease.
No not all blisters are herpes. Some are just water blisters from chaffing, some types of eczema can also cause blisters.
No....
Yes, from where the leg meets the stump if it is not fitted correctly in can cause blisters.
Yes
Most certainly not.
The most common cause of a flaky scalp is dry skin. A skin condition called eczema can also cause one to have a flaky scalp. Dermatitis and psoriasis can also lead one to develop a flaky scalp.