If you have a fever or an active infection, wait until the infection has resolved completely before donating blood.
Wait until finished taking oral antibiotics for an infection (bacterial or viral). Wait 10 days after the last antibiotic injection for an infection.
Those who have had infections with Chagas Disease or Leishmaniasis are not eligible to donate.
Those who have had infection with Babesiosis can donate if it has been 2 years or more since the diagnosis or positive test if donating in the states of Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, Wisconsin or Washington, D.C. IF you plan to donate in any other state, call 1-800-RED CROSS for more information.
See: Antibiotics, Hepatitis, HIV, Syphilis/Gonorrhea, and Tuberculosis.