Certain drugs or vaccines may be hazardous to a patient. A donor taking one or more of these compounds may need to be deferred until the hazard has passed.



(1) finasteride (Proscar, Propecia): 1 month deferral

(2) isotretinoin (Accutane, Amnesteem, Claravis, Sotret): 1 month deferral

(3) dutasteride (Avodart): 6 month deferral

(4) etretinate (Tegison, Tigason): permanent deferral

(5) acitretin (Soriatane): 3 year deferral


Potential for Creutzfeldt-Jakob disease

(1) hormones prepared from human pituitaries: permanent deferral

(2) beef insulin prepared in a country with Mad Cow disease: permanent deferral


Uncertain risk of infection

(1) hepatitis B virus immune globulin: 12 month deferral

(2) unlicensed vaccine: 12 month deferral if considered ineligible by medical director

(3) smallpox vaccine: varies, with minimum 21 days after the vaccination

(4) coagulation factor concentrations prepared from blood pools: permanent deferral


Antiplatelet drugs:

(1) piroxicam (Feldene): 2 day deferral for platelet donation

(2) clopidpgrel (Plavix): 14 day deferral for platelet donation

(3) ticlopidine (Ticlid): 14 day deferral for platelet donation

(4) aspirin: 2 day deferral for platelet donation


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