MDA is a man-made (synthetic) recreational drug noted for its stimulant and psychedelic properties that has been used since the 1960s as a clubbing and sex-enhancing substance, with some similarities to LSD and MDMA (ecstasy).
Natural Mosquito Bite Treatment. A shock of cold therapy will provide relief for itching and keep you from swelling more, says Schultz. Ice actually numbs the nerves that conduct itching and pain so you don't feel either, he says. You may have heard that going the other direction in temperature can also help.
Does vitamin B1complex help prevent mosquito bites?   It may but even vitamin B1 alone can do the trick. It is most efficient when used topically such as in the numerous natural insect repellent patches on the market now. Aâ¦ typical adult only needs about 75 mg of it if used topically.