hi i had gone through your query and understand your concerns. i would come up with the possibility of ALLERGIC
URTICARIA ( ACUTE URTICARIA ) may be the cause for his sufferings.
Allergic urticaria is often the result of coming in contact with allergens. These allergens include, but are not limited to:
-animal dander
-shellfish, nuts, fish, milk, eggs, or other type of food
-pollen
-insect bites
-medications
Treatment
As much as they may itch, avoid scratching
hives. This makes them spread further and it may break the skin’s surface, which makes you susceptible to skin infections
i advise you taking
Homeopathic medicines gives safe and permanent cure for your husband complaints
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit his complaints
I hope this is helpful for you, thank you