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.
Ice Cubes. Above: An ice cube or cold pack can be a surprisingly effective remedy for mosquito bites. The ice numbs the area and helps control swelling. Wrap cubes in a towel and press against bites for 10 minutes (or for as long as you can tolerate).