Water is an important factor in ecological balances and its pollution is a current problem, with negative consequences on the health of the general population. There are natural sources and artificial sources of water pollution. Artificial pollution is produced by human activity and has multiple negative effects on human health. Waste waters , household , industrial waters , rain waters involving different shore-based materials used as fertiliser, as well as various substances from ground level. By artificial pollution, get waste waters which have a drug content as noted in numerous studies from different countries in the world. It proved the possibility of drug sensitisation by pin and water drinking: antidepressants, salves, contraceptives, hormones, antibiotics. Conclusion. Pollution of water by household waste, can cause and produce allergic awareness.