The aim of the current study is, what is the meaning of allergy, what are the reasons for the widespread use of allergy medications on human health, what are the side effects of excessive use of allergy medications on human health? What is the diagnosis that works for people who have allergies? What are the methods of preventing allergies for sensitive people? What are the treatments used for those who have allergies, the questionnaire was created electronically via the Google Drive program, and then it was distributed via mobile phone on the social networking program (WhatsApp). Use of email by participants to respond to the questionnaire. 600 questionnaires were distributed to residents of the city of Mecca from the age of 25 to 60 years (the target group), and only 550 questionnaires were received on the researcher’s e-mail.