![]() ![]() Some allergic reactions can cause rashes that look like red dots on the skin. Other chronic medical conditions that can have red dots on the skin as a sign or symptom include lupus, liver disease, and diseases that affect collagen (e.g., Ehlers-Danlos syndromes). Petechiae can also show up if you don't have enough vitamin C in your diet ( scurvy). Not having enough vitamin K in your body can also make red spots on your skin more likely to pop up, as this vitamin helps your blood clot. Having low red blood cells (anemia) or problems with blood clotting can make it more likely you’ll get red dots on your skin. ![]() It's sometimes associated with diabetes, although this is rare. Granuloma annulare is not caused by allergies and does not run in families. It's not clear what causes the skin to react in this way. The tissue underneath the top layer of skin (dermis) becomes hypersensitive and inflamed. Read more about skin camouflage products and Maria's experience of using them. If you find the appearance of the rash upsetting, you could try using skin camouflage products. ultraviolet light treatment and powerful medicines (such as steroid tablets, antibiotics, antimalarial medicines, isotretinoin, ciclosporin and dapsone) have been reported to help in individual cases of widespread granuloma annulare, but for most people the symptoms of granuloma annulare do not justify using these treatments as they all have significant side effects.cryotherapy (freezing the bumps) may be an option for treating very small patches, but it can be painful and cause permanent scarring.steroid creams or ointments may help, but they must be used carefully because long-term use can thin the skin.Unfortunately, there's no really effective treatment for granuloma annulare. But in most cases, treatment is not necessary because the rash will disappear on its own within a few months to 2 years.įor more severe cases, you could ask a doctor about the following treatments: This is because in rare cases granuloma annulare can be linked to diabetes. A small sample of affected skin is taken so it can be studied under a microscope in a laboratory.Ī blood glucose test may also be recommended. They'll usually be able to diagnose granuloma annulare from the appearance of your rash.Ī skin biopsy may be needed to diagnose the rarer types of granuloma annulare. See a GP if you have an unexplained rash that does not disappear within a few weeks. They can appear on the shins, ankles, feet, buttocks, hands, scalp and eyelids. One or more firm, rubbery lumps develop under the skin. Granuloma annulare under the skin usually affects children. They're often found in skin folds in the armpits and groin. The rash is sometimes made up of small raised spots that form symmetrical rings 10cm or more across. As the rings get bigger, they become flatter and more purple in colour before eventually fading. They form rings that grow slowly until they're about 2.5-5cm across. Pink, purple or skin-coloured patches typically appear on the fingers, backs of the hands, feet, ankles or elbows. The most common type, localised granuloma annulare, appears in just 1 or 2 areas, tends to affect children and young adults, and usually gets better on its own after a few months. Here are some of the main types of granuloma annulaire: Localised granuloma annulare Granuloma annulare is more common in children and young adults, although it can affect people of all ages. It's not contagious and usually gets better on its own within a few months. The rash is not usually painful, but it can be slightly itchy. It usually appears on the back of the hands, feet, elbows or ankles. Granuloma annulare is a rash that often looks like a ring of small pink, purple or skin-coloured bumps. ![]()
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