Small areas of mild red dots may be caused by mosquito bites, which is common and common. As long as you spray a lotion-like anti-mosquito bite liquid, you can relieve it. For the large red dots accompanied by redness and swelling may be caused by the following reasons.

　　1, allergies
　　 Allergies are caused by allergic constitutions exposed to allergens. These allergens include: pollen allergies. There are many people with pollen allergies and red spots. These people should be when the spring flowers bloom Headache, because at this time they must wear a mask and arm themselves. Food allergies such as: seafood, alcohol, drug allergies such as penicillin, contact allergies.
　　2. Red dots caused by diseases
　　 There are many diseases that can cause red dots, typically caused by rheumatoid arthritis, excessive drinking or malnutrition These large red dots resemble spiders, also called spider moles. There are also red dots caused by liver disease. The location of these red dots is relatively special. Once they appear, they will definitely attract attention and attention. Urticaria is special and most conspicuous.

　　3, Keratinization of hair follicles
　　The red dots formed by the keratinization of hair follicles. The keratinized hair follicles are usually small pimples on the face, scalp and back. Need treatment, slowly the red dots will disappear, which is a normal phenomenon, do not need to be too panic. Eat more fruits and vegetables, you can oral vitamin A, eczema cream and so on.

　　4, hormone secretion Insufficiency
　　Insufficient self-hormone secretion can also form red spots. For example: excessive cholesterol secretion will cause a lot of small red bumps in the body. If it appears, don''t panic. Drink water in moderation. It will subside automatically after waiting for a while. If there is a large area, it is recommended to go to the hospital.
　　 Don’t panic if you have red spots on your body, and don’t apply it with skin ointment. For different causes of red spots, different treatment methods should be adopted, and the medicine should be used rationally under the guidance of a doctor.