Blood Donation After Cipro (Ciprofloxacin): What You Need to Know

You should wait at least 48 hours after completing your course of Cipro before donating blood. This is because Ciprofloxacin can stay in your blood for up to 48 hours after you take the last dose. You can donate blood if it has been more than 48 hours since you completed your course of Cipro without waiting for your prescription to finish