A rash is an abnormal change in the skin's appearance, which can include color changes (usually red, pink, yellow, orange, brown, or black), texture (e.g., smooth or rough), and smell (e.g., fresh or bad-smelling). The skin may also get itchy, hot, crack, bumpy, and painful. Rashes are most common in children but can affect anyone, including adults. They are also more commonly found in people with specific diseases and can be associated with immune system disorders such as HIV/AIDS, autoimmune disorders, malignancy, diabetes, etc. 1. Medication If you are taking medications for any other illnesses or diseases, you will probably have to tell your doctor about the allergy that you are having. Your doctor will most likely prescribe allergy medications to you to help treat the reaction. You should also be aware of any prescription medications that you are currently taking. 2. Insect bites. If you often contact insect bites, this can also cause your skin to develop an allergic reaction. The same is true if you spend a lot of time outdoors and are exposed to several different types of insect bites. 3. Wheat or dairy food Many people react badly to the foods they eat, especially those that contain wheat or dairy. If you frequently eat these types of foods, you are at risk of developing an allergic reaction to the foods' proteins. Many people choose to take small doses of the food they are allergic to to minimize their response. If you notice signs of a breakout soon after eating these foods, you should stop eating them and see if your skin starts to clear up. 4. Eczema. Eczema affects both children and adults and causes dry, itchy skin. Many doctors recommend that this type of allergy is treated with medications that are steroid based. Steroid medications can cause your symptoms to become worse, so you should only use these drugs as a last resort. 5. Soap or shampoo If you use soap or shampoo on your skin frequently, it could also be a reason for getting rashes. These substances are harsh and can cause dryness. The body's reaction is to get rid of the essence, and so it produces more of the substance. The best thing to do is not use so much soap or shampoo and often change them. 6. Sun exposure. It is inevitable for some people to get hit by the sun. Even though it may only be a little bit of sun, the damage can already be done. As you may already know, too much sun can make your skin dry, and the chances of developing skin rashes are very high. 7. Food allergies Food allergies are also an explanation. If you are allergic to some foods, your skin may react to them in some way. Some foods can cause you to break out as well, and these are nuts, shellfish, some citrus fruits, soy products, and wheat. 8. Age Aging can also be one of the causes of skin rash. As you get older, your skin may lose its elasticity, leading to sagging and wrinkling of the skin. If you are not careful, you might develop permanent skin wrinkles. Aging skin is also prone to developing more rashes, which may spread all over the body. 9. Sexually transmitted diseases These can also be a reason why your skin is having rashes. This may be due to the hormones given by your female partner. It can also be caused by the imbalance in bacteria in your body. This can happen when you have unprotected sex with someone who has a sexually transmitted disease. This, however, should be taken into consideration as transmission can occur between people even if they do not have the same condition. 10. Weak immune system It can also be another cause of skin rash. When your immune system starts to weaken, it can let any type of bacteria or virus attack your skin. Diseases such as HIV and AIDS can also give you a rash, as can certain medicines. These are just a few of the causes of skin rash. Although there are many causes, the things mentioned above are some of the most common ones. If you want to prevent skin rashes, you have to identify what can cause them in the first place. You need to keep your skin healthy and clean. You also need to avoid the things mentioned above if you want to prevent rashes from appearing. Taking good care of your skin is very important if you're going to stay smooth and wrinkle-free for a long time.