More severe drug rashes, such as erythroderma, may cause permanent changes to skin pigmentation after treatment. However, the exact timeline also depends on the type of rash you have, as well as the severity. Possible drugs that can cause DRESS include:ĭRESS is a very serious reaction that requires immediate medical attention.ĭrug rashes may go away on their own once you stop taking the drug that caused your rash. Additional symptoms are severe and can involve the internal organs, such as: This type of rash looks red, often starting on the face and upper body. You may not notice symptoms of DRESS for 2 to 6 weeks after starting a new drug. This is a rare type of drug rash that can be life threatening. Drug reaction with eosinophilia and systemic symptoms (DRESS) WarningĪnticoagulant-induced skin necrosis is a serious reaction that requires immediate medical attention. However, your risk of this reaction tends to be higher at the start of taking a very high dose of a new blood thinner. As necrosis progresses, the tissues beneath your skin die. Anticoagulant-induced skin necrosisĬertain blood thinners, such as warfarin, can cause anticoagulant-induced skin necrosis.Īt first, you might notice your skin turns red and painful. They both require immediate medical attention. SJS and TEN are serious reactions that can be life threatening. Some of the potential drug-related causes include: Each one can also cause large areas of the top layer of your skin to come off, leaving raw, open sores. SJS involves less than 10 percent of your bodyīoth SJS and TEN are marked by large, painful blisters.SJS and TEN are considered the same condition, but there’s a slight difference between the two: Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) Seek immediate medical attention if you think this is the type of rash you have. WarningĮrythroderma can become serious and life threatening. You may also experience a fever, with your skin feeling hot to the touch.Įxamples of drugs that can cause erythroderma, including:Ĭertain underlying health conditions can also cause erythroderma, such as psoriasis and atopic dermatitis. Your skin may grow scaly within several days. certain antibiotics, including tetracyclineĮrythroderma is a potentially life threatening condition that causes nearly your entire skin to become itchy and red.Certain drugs can make your skin extra sensitive to ultraviolet light, causing a subsequent itchy sunburn if you go outside without wearing sunscreen and protective clothing.Įxamples of drugs that may cause photosensitivity include: Photosensitivity refers to reactions worsened by sun exposure. Possible causes of urticarial drug rashes include: This type of rash consists of small, pale red bumps that can connect and form larger patches. Hives (urticaria) are the second most common type of drug rash. Possible causes of exanthematous drug rashes include: In some cases, the lesions may blister and fill with pus. You may notice small, raised or flat lesions on reddened skin. Take a look at some of the most common types of drug rashes below: Exanthematous rashesĮxanthematous rashes are considered the most common type of drug rashes, accounting for about 90 percent of cases.
You might also notice that the rash disappears once you stop taking the drug in question. This rash may develop suddenly or within hours, but it can take up to several weeks in some cases. If you develop a rash after starting a new drug, you may be suspicious that your medication is causing this skin reaction. However, some of these rashes may be accompanied by itching or tenderness. Drug rashes are typically symmetric, meaning that they appear the same on both sides of your body.Īlso, drug rashes don’t tend to cause any other symptoms.
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