hi i had gone through your query and understand your concerns. i would come up with the possibility ALLERGIC
URTICARIA is the cause for your sufferings.
-pain killers is the triggering factor in your case.
Other conditions that can make allergic urticaria worsen are:
-stress
-extreme changes in weather (extreme heat and
cold)
-autoimmune diseases, such as
thyroid disease or lupus
Treatment
As much as they may itch, avoid scratching your
hives. This makes them spread further and it may break the skin’s surface, which makes you susceptible to skin infections.
medicines
I would suggest you taking
Homeopathic medicines gives safe and permanent cure for your complaints
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you