Medically, tear allergy, also known as water urticaria, is a kind of "water allergy" and a very rare skin disease.
When such patients come into contact with water, blood and sweat, they will have symptoms such as rash, itching and burning pain. 2, semen allergy
Husband and wife life is one of the ways to get happiness, but some female friends feel pruritus vulvae, urticaria labia within a few minutes or hours after sexual intercourse, and even have dangerous symptoms such as shortness of breath and poor breathing, which is probably a reaction of semen allergy.
3, WIFI allergy
With the development of network technology, WIFI basically covers our lives, but some people are allergic to WIFI.
Not only WIFI, but also some people will have headaches, fatigue, skin allergies and other symptoms when they contact devices that emit electromagnetic signals such as mobile phones or household appliances. Who defines this as electromagnetic radiation allergy. 4. Condom allergy
Condom was originally an important invention for modern people to realize reproductive freedom, but some people are allergic to this "little thing".
Through experiments, it is found that allergic people mainly have allergic reactions to latex, and their skin will be itchy, red and swollen when exposed to latex.
5, allergic to money
As the saying goes, "you can't do anything without money", but some people contact dermatitis when they touch money. This is because people are allergic to nickel-chromium metal components in coins.