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.
Other safe, eco-friendly ways to keep mosquitoes at bay: 1  Plant catnip, rosemary and pennyroyal. 2  Plant marigolds, which stave off a number of flying insects. 3  Create environments for mosquito predators, such as frogs, dragonflies, bats and birds (especially purple martins). 4  Mosquitoes lay eggs in stagnant water.