Erythema multiforme
https://en.wikipedia.org/wiki/Erythema_multiforme
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References
 Recent Updates in the Treatment of Erythema Multiforme 34577844 NIH
Erythema multiforme (EM) est conditio in qua maculae propriae, speciei scopo‑similes, apparent in utraque cute et membrana mucosa, ob reactiones immunes. Etsi saepe a contagio virali incipit, praesertim a herpes simplex virus (HSV), vel a quibusdam medicamentis, causa in multis casibus ignota manet. Acutum EM tractans intendit ad levandam symptomata utens corticosteroides vel antihistaminicis. Administratio frequens EM est efficacissima, cum unicuique patienti regimen proprium necessarium est. Primae accessus includunt curationes orales et topicas. Haec includunt corticosteroides et medicamenta antiviralia. Therapiae generales constant ex fortibus cremoribus steroidalibus et solutionibus pro membranis mucosis affectis. Aegris, si anti‑virales male toleratur, secundae lineae optiones includunt medicamenta immunosuppressiva, antibiotica, anthelmintica et antimalaria.
Erythema multiforme (EM) is an immune-mediated condition that classically presents with discrete targetoid lesions and can involve both mucosal and cutaneous sites. While EM is typically preceded by viral infections, most notably herpes simplex virus (HSV), and certain medications, a large portion of cases are due to an unidentifiable cause. Treatment for acute EM is focused on relieving symptoms with topical steroids or antihistamines. Treatment for recurrent EM is most successful when tailored to individual patients. First line treatment for recurrent EM includes both systemic and topical therapies. Systemic therapies include corticosteroid therapy and antiviral prophylaxis. Topical therapies include high-potency corticosteroids, and antiseptic or anesthetic solutions for mucosal involvement. Second-line therapies for patients who do not respond to antiviral medications include immunosuppressive agents, antibiotics, anthelmintics, and antimalarials
 Use of steroids for erythema multiforme in children 16353829 NIH
Multis in rebus, mitis erythema multiforme abitur sua sponte intra 2‑4 septimanas. Stevens‑Johnson syndrome, gravis condicio membranae mucosae afficiens, usque ad 6 septimanas durare potest. Steroidia non sunt typice commendantur pro casibus levibus. Utrum steroidia adhibeantur ad erythema multiforme gravem, incertum est, cum nulla sint clara inventa ex studiis incertis adhibitis, quibus pueri hac curatione prodessent.
In most cases, mild erythema multiforme is self-limited and resolves in 2 to 4 weeks. Stevens-Johnson syndrome is a serious disease that involves the mucous membranes and lasts up to 6 weeks. There is no indication for using steroids for the mild form. Use of steroids for erythema multiforme major is debatable because no randomized studies clearly indicate which children will benefit from this treatment.
 Drug-induced Oral Erythema Multiforme: A Diagnostic Challenge 29363636 NIH
Ex TMP/SMX causatum erythema multiforme (EM) oris exhibemus, cum ulceribus typicis oris et labii, sine laesionibus cutis. Hoc sapienter est opus ad distinguendum a morbis ulcerativis oris aliis. Aegrotus curam symptomaticam ac tabulas prednisolone accepit, quae ad emendationem cum cessatione TMP/SMX duxit.
We report a case of oral erythema multiforme (EM) secondary to TMP/SMX that presented with oral and lip ulcerations typical of EM without any skin lesions and highlights the importance of distinguishing them from other ulcerative disorders involving oral cavity. The patient was treated symptomatically and given tablet prednisolone. The condition improved with stoppage of TMP/SMX therapy.
 Erythema Multiforme: Recognition and Management. 31305041Erythema multiforme est reactio quae cutem et interdum mucosam implicat, systemate immunitario utente. Saepe manifestat laesiones clypeo‑similes, quae separatim apparent, recurrunt vel perseverant. Hae laesiones aequaliter extremas, praecipue superficies exteriores, afficiunt. Causae principales includunt infectiones sicut herpes simplex virus et Mycoplasma pneumoniae, ac quaedam medicamenta, vaccinationes et morbi autoimmunes. Distinguere erythema multiforme a urticaria nititur duratione laesionum: laesiones erythema multiforme per saltem septem dies fixa manent, dum laesiones urticariae intra diem saepe evanescunt. Similitudinem habent, sed differunt a syndrome graviore Stevens‑Johnson, quod typice exhibet maculam erythematosam vel purpuricam cum pustulis diffusa. Administratio erythema multiforme includit subsidia symptomatica cum steroidibus topicis vel antihistaminis, et causam subiectam tractat. Pro casibus recurrentibus, cum herpes simplex virus coniunctis, therapia prophylactica antiviralis commendatur. Gravis implicatio mucosalis potest hospitalizationem requirere, cum infusionibus intravenosis et postea correctione electrolyte.
Erythema multiforme is a reaction involving the skin and sometimes the mucosa, triggered by the immune system. Typically, it manifests as target-like lesions, which may appear isolated, recur, or persist. These lesions usually symmetrically affect the extremities, particularly their outer surfaces. The main causes include infections like herpes simplex virus and Mycoplasma pneumoniae, as well as certain medications, immunizations, and autoimmune diseases. Distinguishing erythema multiforme from urticaria relies on the duration of lesions; erythema multiforme lesions remain fixed for at least seven days, while urticarial lesions often vanish within a day. Although similar, it's crucial to differentiate erythema multiforme from the more severe Stevens-Johnson syndrome, which typically presents widespread erythematous or purpuric macules with blisters. Managing erythema multiforme involves symptomatic relief with topical steroids or antihistamines and addressing the underlying cause. For recurrent cases associated with herpes simplex virus, prophylactic antiviral therapy is recommended. Severe mucosal involvement may necessitate hospitalization for intravenous fluids and electrolyte replacement.
 
Conditio variat a forma levi, per se limitata, ad formam gravem, vitam minacem, quae nota est ut erythema multiforme maior, quod etiam membranas mucosas implicat. Involutio membranae mucosae vel bullarum sunt signa severitatis momenti.
- Erythema multiforme minor: papulae typicae vel elevatae, papulae edematae acriter distributae.
Forma levia solet cum scabellis levibus (sed pruritus valde vehemens), maculis roseo‑rubentibus, aequaliter distributis, incipientibus a membris extremis. Resolutio plerumque intra 7‑10 dies est norma in hac forma morbi.
- Erythema multiforme major: papulae typicae vel elevatae, papulae edematae acriter distributae cum implicatio unius vel plurium membranarum mucosarum. Partes epidermidis involvuntur, minus quam 10 % totius superficiei corporis.
○ Curatio OTC Medicamenta
Si febris (temperatura corporis elevata) est, commendatur ut quam primum ad nosocomium accedas.
Medicamina suspecta suspendenda sunt (e.g. antibiotica, anti‑inflammatoria non‑steroidalia).
Antihistaminica oralia, ut cetirizine et loratadine, ad pruritum.
#Cetirizine [Zytec]
#LevoCetirizine [Xyzal]
#Loratadine [Claritin]