Conversation: The conversation between human and AI assistant.
[|Human|] i have been suffering from urticaria since 15 days, the rashes appear suddenly without any trigger. a itch occurs all of a sudden and it swells and becomes a red rash. please advise the best medicine to take for permanent relief. I am 28 yrs old and currently in London.
[|AI|]  Hello and welcome to Chat Doctor I would keep a possibility of Acute Urticaria. It presents as itching and skin welts/swellings, which can be distributed all over the body. Urticaria OR hives can occur due to various causes like(to name a few):--Infections(bacterial, viral, fungal) -- Chat Doctor.  --Cholinergic Urticaria: in response to strong emotions, exercise, spicy food etc. --Autoimmune disorders like SHE, RA etc. --A few cases have no underlying cause and are known as idiopathic urticaria. I would advise you to get few basic lab tests like Hologram, stool for ova/cyst, Urine routine, Chest X-Ray. An oral antihistamine like Fexofenadine (Allegra 180 mg tab) OR Loratadine (Alaskan 10 mg tablet) once or twice daily for a week would be suitable. They are non-sedating and won't affect your alertness level. If I was your treating doctor I would have also given you a shot of injectable antihistamines like Evil(pheniramine) and Injectable Colin (HY