Treatment of AGEP involves establishing the correct diagnosis (Table 8.1) coupled with the withdrawal of any implicated medication (Table 8.2). Pustular psoriasis is its main differential diagnosis. A comprehensive drug history and a personal or family history of psoriasis is therefore required. Table 8.1 (From Roujeau, et al., 1991. Arch Dermatol 127, 1333–1338.) Table 8.2 Drugs and other substances reported to have caused AGEP Penicillins: amoxicillin, ampicillin, bacampicillin, pipemidic acid, piperacillin, propicillin, tazobactam Macrolides: azithromycin, erythromycin Quinolones: ciprofloxacin, norfloxacin, ofloxacin Tetracyclines: doxycycline, minocycline Cephalosporins: cefaclor, cefazolin, cefuroxime, cephalexin, cephradine Aminoglycosides: gentamicin, isepamicin sulfate, streptomycin Other antibiotics: chloramphenicol, clindamycin, co-trimoxazole, imipenem/cilastatin, lincomycin, metronidazole, nifuroxazide, sulfamethoxazole, teicoplanin, vancomycin, daptomycin, telavancin
Acute generalized exanthematous pustulosis
Management strategy
Drugs
Antibiotics
NSAIDs
Celecoxib, etoricoxib, ibuprofen, naproxen, nimesulide, valdecoxib
ACE inhibitors
Captopril, enalapril
Calcium channel blockers
Nifedipine, nimodipine
Anticonvulsants
Carbamazepine, phenobarbital, phenytoin
Analgesia (opioid/non-opioid)
Acetaminophen, paracetamol, morphine, codeine, dextropropoxyphene
Anti-platelets
Aspirin, ticlopidine, clopidogrel
Benzodiazepines
Clobazam, nitrazepam, tetrazepam
Antimalarials
Chloroquine, hydroxychloroquine, proguanil, pyrimethamine
Antipsychotics
Clozapine, chlorpromazine
Antifungals
Amphotericin, fluconazole, itraconazole, nystatin, terbinafine
Antivirals
Lamivudine, lopinavir, ritonavir, zidovudine
Anti-TB drugs
Isoniazid, rifampicin
Proton pump inhibitors
Lansoprazole, omeprazole
Immunosuppressants
Azathioprine
Calcium channel blockers
Diltiazem
Antidepressants
Amoxapine, sertraline
Antihistamines
Clemastine, hydroxyzine
Beta agonists
Buphenine, fenoterol, nadolol
H2 receptor antagonists
Cimetidine, famotidine, ranitidine
Corticosteroids
Dexamethasone, methylprednisolone, prednisolone
Diuretics
Furosemide, hydrochlorothiazide
Anti-neoplastic drugs
Gefitinib, imatinib
Other drugs
Acetazolamide, allopurinol, bleomycin, carbimazole, cytarabine, disulfiram, eperisone hydrochloride, eprazinone, fluindione, icodextrin, interferon, metamizole, pentoxifylline, piperazine, bamifylline, propafenone, aprostadil, pseudoephidrine, psoralen + UVA, quinidine, salbutiamine, senna, simvastatin, sulfasalazine, terazosin, thalidomide, cadralazine, progestogens, dalteparin, carbutamide
Other substances
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