Teratogens
(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
