Not one thing: Cold sores or herpes occur when your immune system is compromised. An itchy scalp is due to dandruff or seborrhea. Stress causes an overproduction of sebum which plugs up the pores and causes dandruff.
Answered 8/25/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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