My left forearm itches at nite Happens in the spring

Patient

Q: My left forearm itches at nite. Happens in the spring. Started last spring after moving to a rural area near Fallbrook ca. What could cause this ? Insect? Dust mites? Only left fore arm, no other part of body.

Doctor

A:   Hello. Welcome to ask the doctor.
I understand your concern.

As per details, there are following possibilities for your symptoms :
1 ) Urticaria - it is characterised by red colored itchy transient eruptions over body. It can be caused by allergy to recent infection, any food, seasonal change, drugs, pollen grains etc.
2)Scabies - it is caused by Sarcoptes scabei var hominis. It is a communicable disease which causes intense itch over body.
I will advise you to visit your doctor so that he can do physical examination and advise you accordingly.
You can share my opinion with him.
Treatment depends on the diagnosis.

I hope it helps.
Stay healthy

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