I'm not sure if this medication would cause the blood to be unusable. I know you cannot be on antibiotics during donation, but I'm not sure if this is considered an antibiotic or antifungal…or both? The medication is used to treat nail fungus…..
Just call the red cross ahead of time, even if that's not where you're going to donate they would know the answer. The # is in the front of the telephone book usually with all the other 800 numbers. Good luck.