This is called urticaria.. your father have chronic urticaria.
Homoeo medicine will cure this complaint.
call me online. will take casein detail and prescribe the medicine.
Needs proper history and clinical discussion, please consult on my personal app, its completely free.
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Dr Mitesh S Asnani
allergy test like Eosinophil count and IG E test should be done. along with that Homoeopathy can help but need history to treat. Feel free to communicate by pressing Consult button below the answer.