There are different reasons why red dots can appear on the skin. Some of them will disappear by themselves, while others may need treatment. Some of the main causes of red spots on the skin include allergies, marks left by acne, birthmarks, spots from angiomas, too much protein, heat rash, bug bites, leaking capillaries, and autoimmune diseases. 1. Small red spots and purple spots. These are small red spots that show up on the skin because of broken blood vessels or capillaries. They can be triggered by tension, coughing, or specific medications. Even though they are usually not dangerous, they can sometimes show there might be issues with the platelets.
Red moles These tiny, raised, red bumps are caused by an excess of blood vessels and are usually not harmful. They typically show up when people are older. 3. Skin Irritation from Heat Heat rash happens when sweat gets stuck in sweat ducts and creates itchy, red spots on the skin.Responses to allergies Redness can also happen if you have an allergic reaction to food, things you touch, medicines, or insect bites.
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