
What Causes Itchy Raised Bumps All Over Body?

Possible Chronic Cholinergic Urticaria.
Detailed Answer:
Hi Mam,
I understand your query and concern.
As per your history you seem to have Cholinergic Urticaria/hives.
This can present as itchy papules,in response to a triggering environmental agent.
These are not contagious ,hence your husband and son does not seem to acquire them.
These Hives are an inherent response to environmental allergens.
Drugs like Long acting Desloratidine-Clarinex 5 mg PO once a day at bed time for 3 months will help.
Avoid all allergen exposure.
This rash is unrelated to Scabies in the past,nor It is related to Crohn's disease.
Dry skin will not always lead to such rash.
This rash is usually benign and will be well controlled with many preventive steps.
Thank you.

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