<\/span><\/h2>\nMorbilliform drug eruption<\/span> it is the most common form of drug rash. Many drugs can trigger this allergic reaction<\/span>, but antibiotics are the most common group. The rash may resemble rashes caused by viruses and bacterial<\/span> infections<\/p>\n\n- Morbilliform skin eruption<\/span> in an adult it is usually due to a drug.<\/li>\n
- In a child, it is more likely to be viral in origin.<\/li>\n<\/ul>\n
Morbilliform drug eruption is also called maculopapular<\/span> drug rash, exanthematous<\/span> drug and maculopapular rash exanthema<\/span>.<\/p>\n\n<\/span>Morbilliform drug eruption<\/span><\/h5>\n<\/section>\n\n\n
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Morbilliform drug eruption<\/p>\n
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Morbilliform drug eruption<\/p>\n
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Purpuric morbilliform eruption due to thrombocytopenia<\/p>\n<\/p><\/div>\n<\/section>\n
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<\/span>Who gets morbilliform drug rash?<\/span><\/h2>\nAround 2% of new drug prescriptions cause a drug rash. About 95% of these are morbilliform drugs. rashes<\/span>.<\/p>\nThey mainly affect people receiving beta-lactam antibiotics (penicillins, cephalosporins), sulfonamides, allopurinol, antiepileptic drugs, and non-steroidal antiepileptic drugs.inflammatory<\/span> drugs (NSAID<\/span>) Many other drugs have been reported to cause morbilliform drug eruptions, including herbal and natural therapies.<\/p>\nPredisposing factors include:<\/p>\n
\n- Previous drug eruption or a strong family history of drug eruptions.<\/li>\n
- Underlying Viral infection<\/span>particularly acute<\/span> Epstein Barr virus (EBV, infectious mononucleosis) and human herpesvirus 6 and 7 (see also roseola, pityriasis<\/span> rosea)<\/li>\n
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Immunodeficiency, including human immunodeficiency virus (HIV<\/span>), cystic<\/span> fibrosis<\/span>, autoimmune<\/span> disorders<\/li>\n- Multiple medications<\/li>\n<\/ul>\n
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<\/span>What Causes Morbilliform Drug Rash?<\/span><\/h2>\nMorbilliform drug eruption is a form of allergic reaction. It is mediated by cytotoxic<\/span> T cells and classified as a type IV immune reaction. The target of the attack may be a drug, a metabolite<\/span> of the drug, or a protein bound to the drug. Inflammation<\/span> follow the launch of cytokines<\/span> and another effector immune cells<\/span>.<\/p>\n<\/span>What are the clinical features of morbilliform drug eruption?<\/span><\/h2>\nIn the first instance, a morbilliform rash usually appears 1 to 2 weeks after starting the drug, but can occur up to 1 week after stopping it. On re-exposure to the offending (or related) drug, skin lesions appear within 1 to 3 days. It is very rare for a drug that has been taken for months or years to cause a morbilliform drug eruption.<\/p>\n
The morbilliform drug eruption usually appears first on the trunk and then spreads to the extremities and neck. the distribution<\/span> it is bilateral<\/span> and symmetrical<\/span>.<\/p>\nthe primary<\/span> injury<\/span> it's a pink to red floor taint<\/span> or papule<\/span>.<\/p>\n\n- \nCancel<\/span>, targettoid<\/span>, urticaria<\/span>-like or polymorphous<\/span> morphology<\/span> it can happen.<\/li>\n
- Injuries mostly whiten<\/span> with pressure but may not be bleachable (purple) on the lower legs.<\/li>\n
- \nDiscreet<\/span> lesions may fuse to form large erythematous<\/span> patches or plates<\/span>.<\/li>\n
- \nArmpit<\/span>, groin, hands and feet are generally spared.<\/li>\n
- Paradoxical eruption prominent in armpits<\/span> and the English may be due to symmetrical drugs related intertriginous<\/span> and flexural<\/span> rash (SDRIFE)<\/li>\n
- \nMucous<\/span> membranes hair<\/span> and nail<\/span> they are not affected in uncomplicated drug eruptions.<\/li>\n<\/ul>\n
The rash may be associated with a mild fever<\/span> and itching As it improves, the redness disappears and the superficial skin peels off.<\/p>\n<\/span>What are the complications of morbilliform drug eruption?<\/span><\/h2>\nIn the initial phase, it may not be possible to clinically distinguish an uncomplicated morbilliform rash from a more severe one cutaneous<\/span> Adverse reactions<\/span> (SCAR). These are:<\/p>\n\n- Drug hypersensitivity<\/span> syndrome<\/span><\/li>\n
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Stevens Johnson syndrome - toxic<\/span> epidermal<\/span> necrolysis (SJS \/ TEN)<\/li>\n- Acute generalized<\/span> exanthematous pustulosis<\/span> (AGEP)<\/li>\n<\/ul>\n
Patients with the following symptoms \/ signs should be hospitalized for specialized evaluation and supportive care.<\/p>\n
\n- \n Erythroderma<\/span> (participation of the whole body)<\/li>\n
- High or significant fever discomfort<\/span>\n<\/li>\n
- None mucous membrane<\/span> intervention<\/li>\n
- Skin tenderness<\/li>\n
- Burning<\/li>\n
- Pustules<\/span><\/li>\n
- \nPalpable<\/span> purple<\/span>\n<\/li>\n
- Evidence of other organ involvement (eg, liver, kidneys, lungs, blood)<\/li>\n<\/ul>\n
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<\/span>How is morbilliform drug eruption diagnosed?<\/span><\/h2>\nA strong clinical suspicion of morbilliform drug eruption depends on:<\/p>\n
\n- Typical exanthematic rash<\/li>\n
- Recently introduced drug<\/li>\n<\/ul>\n
To identify the possible causal drug<\/span>A medication calendar, which includes all prescription and over-the-counter products, can be helpful. The start date of each new medication is documented along with the onset of the rash. The calendar must extend at least 2 weeks and up to a month. Medications can be classified as unlikely or probable causes based on:<\/p>\n\n- Time relative to onset of eruption<\/li>\n
- The specific drug; some drugs can be excluded because they rarely cause allergy<\/span>\n<\/li>\n
- Past patient experience with other drugs in the same class<\/li>\n<\/ul>\n
There are no routine tests to make the diagnosis or identify the culprit drug. Differential diagnosis<\/span> includes measles, rubella, scarlet fever, non-specific toxic erythema<\/span> associated with infection, Kawasaki disease, connective tissue<\/span> disease and acute graft versushost<\/span> disease.<\/p>\nTests are generally not necessary if the cause has been identified and stopped, the rash is mild, and the patient is fine. They may include:<\/p>\n
\n- Routine blood count, liver and kidney function tests, C-reactive protein<\/span>\n<\/li>\n
- \nSerology<\/span> for infections that can cause similar rashes<\/li>\n
- Possible skin biopsy<\/span>, which shows the interface dermatitis<\/span>, mixed perivascular<\/span> infiltration<\/span> and another histopathological<\/span> features.<\/li>\n<\/ul>\n
Eosinophilia<\/span> It is supportive but not diagnostic. Further investigations will depend on the clinical features, the patient's progress, and the results of the initial tests.<\/p>\n<\/span>What is the treatment for morbilliform drug eruption?<\/span><\/h2>\nThe most important thing is to identify the offending drug and, if possible, stop it. If the reaction is mild and the drug is essential and not replaceable, get a specialist's opinion if it is safe to continue the drug before doing so.<\/p>\n
\n- Monitor the patient carefully for complications.<\/li>\n
- Apply emollients<\/span> and powerful current<\/span> steroid creams.<\/li>\n
- Consider wet wraps for very red and inflamed skin.<\/li>\n
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Antihistamines are often prescribed, but generally not very helpful.<\/li>\n<\/ul>\n
<\/span>How can morbilliform drug eruption be prevented?<\/span><\/h2>\nMorbilliform eruptions cannot be completely prevented. Prescribers must be vigilant. its incidence<\/span> can be reduced by:<\/p>\n\n- Minimize prescriptions for antibiotics.<\/li>\n
- Educate the patient about the cause of their rash and the danger of a new exposure to the same drug.<\/li>\n
- Add reaction to medical record alerts<\/li>\n<\/ul>\n
<\/span>What is the prognosis for morbilliform drug eruption?<\/span><\/h2>\nIf the offending drug is stopped, the rash begins to improve in 48 hours and disappears in 1 to 2 weeks.<\/p>\n
If the medication continues, the rash may:<\/p>\n
\n- Resolve despite continued drug exposure<\/li>\n
- Persist without change<\/li>\n
- Progress to erythroderma\n<\/li>\n<\/ul>\n<\/section>","protected":false},"excerpt":{"rendered":"
Que es morbiliforme reacci\u00f3n a las drogas? Droga morbiliforme erupci\u00f3n es la forma m\u00e1s com\u00fan de erupci\u00f3n por drogas. Muchas drogas pueden desencadenar esto reacci\u00f3n al\u00e9rgica, pero los antibi\u00f3ticos son…<\/p>","protected":false},"author":8,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"categories":[204],"tags":[],"class_list":["post-16701","wiki","type-wiki","status-publish","format-standard","category-glosario-definiciones"],"_links":{"self":[{"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/wiki\/16701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/types\/wiki"}],"author":[{"embeddable":true,"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/comments?post=16701"}],"version-history":[{"count":0,"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/wiki\/16701\/revisions"}],"wp:attachment":[{"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/media?parent=16701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/categories?post=16701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/doctorhoogstra.com\/en\/wp-json\/wp\/v2\/tags?post=16701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}