###Human: What is causing severe allergic reaction to insect bites? ###Assistant: Hi Welcome to icliniq.com. Most insect bites are harmless, though they feel uncomfortable and unpleasant. But some of the insect-like bee, wasp or as you mentioned sand mozzies may hurt and cause burning, swelling, pain, etc. Some peoples become allergic to such insect poison. They also transmit several diseases like malaria, filariasis, dengue, etc. There is a need to improve your immunity to combat such issues. Insect bites, touch, allergens, etc. Take Tinospora cardifolia, Ocimum sanctum, Albizzia lebbeck, Turmeric each 10 gm and boil with 240 ml water till it becomes 60 ml. Take 30 ml decoction morning and 30 ml evening. It helps to resolve your issues. Protect your self from allergens and insects. Fumigate the house with smoke of Neem, Tulasi leaves, and Guggulu. Wear protective clothes.