Is it normal for a lot of small red spots to suddenly appear on my arms, or is it due to some disease?

The specific reason for the sudden appearance of many small red spots on the arms depends on different situations. It may be allergies, it may be a lack of certain vitamins, or it may be related to the weather and environment. , or maybe you have a certain disease. It depends on the specific symptoms, so you can’t generalize. In fact, many of us will accidentally develop some small red spots on our skin in summer, such as allergies caused by the sun or bites from certain small insects. The symptoms are also different, some are itchy, and some are not painful or itchy. Next, let me tell you about the different symptoms of small red spots on the skin caused by different reasons, as well as the treatment methods.

Causes of allergies

In most cases, small red dots suddenly appear on the skin because of allergies. Everyone has different allergens, so the situations they encounter are also different. Usually skin problems caused by allergies are itchy and accompanied by symptoms of itching all over the body. Some are red spots, and some may be raised when scratched, like urticaria. At this time, it is best for us to consider what we have been exposed to or eaten that may cause allergies. Some people are allergic to pollen, and some people are allergic to certain foods. If you are not sure, go to the hospital to check the allergens. This will help Avoid allergens in the future. For allergies, you usually need to take anti-allergic drugs and supplement with more vitamin C and fruits. Don’t worry too much, it will get better after a while.

Lack of vitamins

Another situation is the lack of vitamins and some trace elements in the body. This situation can also cause small red spots to appear on the skin, but such red spots are generally not Does it hurt or not? It may occur in people who are malnourished such as losing weight or being picky eaters. Therefore, we must pay attention to all aspects of diversity when eating. We should not be too picky about food. It is not recommended to diet to lose weight. It is better and healthier to exercise more. If the skin problem is caused by a lack of vitamins, you can supplement some multivitamins, especially B vitamins, which are very beneficial to the skin. With balanced nutrition, the skin problem will naturally be solved.

Henoch-Schonlein Purpura

There is also a kind of small red spots on the skin caused by Henoch-Schonlein purpura. It is mainly caused by bleeding spots under the skin, so it appears as small red spots on the skin. It usually appears on the thighs. The symptoms are neither painful nor itchy. They disappear when you press them, but the redness returns when you let go. The cause of the disease may be related to viruses or inflammation, as well as medications and foods, but don’t worry too much. The red spots will generally disappear over time. If it’s not serious and not accompanied by other symptoms, you don’t need to worry about it, but if it’s serious and accompanied by fever, If you have symptoms of general discomfort such as headache, it is recommended to go to the hospital for examination.

Mosquito bites

In addition, there is another common mosquito bite. Especially in the summer when you go out to play or take a walk, you may accidentally be bitten by an insect. Generally, this In addition to itching, it will also be accompanied by symptoms such as patches of swelling. Of course, some are just small red dots. This is relatively simple. Just apply some anti-itching lotion, such as Fengyoujing. When going out to play, be sure to wear long clothes or apply insect repellent to avoid being bitten.

The above introduces several causes of red spots on the skin. If none of them are considered, it is better to go to the hospital for a check-up for peace of mind.