Talk to Dermatologist on Allergy

sir I suffering allergy problem since last 2 years the allergy start from my head and then spread all over the body I feel swelling inner site of my throat and my body generate full heat I m worry about this situation I m working as computer Operator in Pvt company . please find enclosed herewith the attachment of my pic when I effect, sir I used injection for relieve this allergy 1) Avail & Decadron .