Can You Donate Plasma On Certain Medications. You must wait at least 2 days after taking aspirin to donate platelets. If any of these medication deferrals or exclusions applies to you, please contact us at 425.258.3653 to review your medical history.

Plasma is rich in nutrients and salts. While most medications won't disqualify you from donating plasma, some plasma donation centers will not allow you to donate plasma if you are actively taking a course of antibiotics. Your weight determines the amount of plasma they will take during the.