Sulfa Drugs Allergy Cross-Reactivity Algorithm

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Sulfa Drugs Allergy Cross-Reactivity Algorithm

Kingdom of Saudi Arabia Ministry of National Guard Health Affairs Saudi Medication Safety Center SULFA DRUGS ALLERGY CROSS-REACTIVITY ALGORITHM Always Check for drug allergy before prescribing, dispensing and administering drugs Confirm with the patient YES NO and document “NKA” = No Known Allergy Allergic to Sulfa Drugs USE WITH CAUTION Allergic to another drug (See list below) Tamsulosin Dapsone Procainamide DO NOT GIVE DO NOT GIVE drug or related drugs Check in MICROMEDEX, or with a Sulfa Antibiotics: Pharmacist or Physician Silver SulfADIAZINE Sulfacetamide Sulfamethoxazole Co-Trimoxazole Avoid if history of anaphylaxis to Sulfa. Diuretics Bumetanide Use may be considered in other Sulfa allergic patients. If Diazoxide treatment is prescribed or recommended, check that the Sulfa DYAZIDE (Triamterene / allergy has been considered, discussed fully with the patient and Hydrochlorothiazide ) documented in HIS-CPR and in the patient’s clinical record. Furosemide Hydrochlorothiazide If not, query with the prescriber. Indapamide Metolazone MODURETIC (AMILoride / Hydrochlorothiazide ) Do NOT dispense or administer. If treatment is prescribed or recommended, contact prescriber and alert Other them to the patient’s history of allergy / anaphylaxis AcetaZOLAMIDE Dorzolamide Celecoxib SulfaSALAZINE Agents containing sulfur, sulfates, sulfites and saccharin are NOT Zonisamide sulfonamides and DO NOT cross-react. They are also chemically GlyBURIDE (Glibenclamide) unrelated to sulfonamides and there is NO risk of cross- sensitivity. NOTE: Sulfites may cause their own reactions such as dyspnea, wheeziness and chest tightness in patients with asthma. SULFA DRUGS ALLERGY CROSS-REACTIVITY ALGORITHM SMSC Board - 15 May 2014 .

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