Donating Blood & Platelets: Medical Conditions Affecting Donation (K-Z)

There are certain medical conditions, illnesses, and diseases that may delay your donation or make you ineligible to donate. Even a bee sting or bite from a pet can delay your donation. If you have any questions after reviewing the information below, please call the Blood Donor Room at 212-639-7643.

Medical Conditions K-Z

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Medical Conditions Eligibility
Kidney Infection You may donate if treatment is completed and you have no symptoms.
Kidney Stones You may donate if you have resumed full activity and there are no signs of infection
Leishmaniasis You may NOT donate blood.
Leprosy You may NOT donate blood.
Leukemia You may NOT donate blood.
Lou Gehrig's Disease (ALS) You may NOT donate blood.
Lyme Disease

You may donate if it has been 48 hours since completion of treatment and you have no symptoms.

Lymphoma You may NOT donate blood.
Measles You may donate if you have been explosed to the Measles but only if you have already had it or been vaccinated against it. Otherwise you must wait three weeks from the time of exposure.
Melanoma You may donate one year after completion of treatment.
Miscarriage You may NOT donate for six weeks following a miscarriage that occurs after the first trimester.
Mitral Valve Prolapse You may donate if you are not on any medications for this condition and you have no restrictions on activity, otherwise a note from your physician is needed.
Mononucleosis You may donate if you have no symptoms.
Mycosis Fungoides You may NOT donate blood.
Papillary Thyroid Carcinoma You may donate if you have completed therapy.
Paroxysmal Nocturnal Hemoglobinuria You may NOT donate blood.
Pericarditis

You may donate  48 hours after treatment is completed and the condition is resolved.

Polycythemia You may NOT donate blood.
Porphyria Cutanea Tarda You may NOTdonate blood.
Pregnancy

You may NOT donate during pregnancy or for six weeks following delivery.

Pulmonary Embolism

You may donate if it has been six months since the condition was resolved and you are not taking medication for this condition.

Pyelonephritis You may NOT donate blood.
Respiratory Infection It must be at least 72 hourssince you had any cold symptoms (congestion, cough, sore throat, fever) .
Reticuloendotheliosis You may NOT donate blood.
Rheumatic Heart Disease You may donate if there is no cardiac damage or restrictions on your activity.
Ringworm You may donate if the condition is not in the area where the needle will be inserted and the affected area is covered by clothing or a dressing.
Sarcoidosis You may donate if it has been one year since you last had symptoms.
Sickle Cell Anemia

-You may donate platelets only if you have the Sickle Cell trait.

You may NOT donate if…


- you have Sickle Cell Anemia.

Skin Infection (Poison Ivy or Psoriasis) You may donate if it is a mild skin disorder without a secondary infection and the area where the needle will be inserted is clear.
Spherocytosis You may NOT donate blood.
Squamous Cell Carcinoma You may donate if the cancer has been completely removed and the area has healed.
Stitches You may donate after the stitches have been removed and the wound has healed.
Strep Throat You may donate if you were exposed to someone with strep throat but you have no symptoms of the illness.
Stroke You may donate if it has been more than one year since your stroke and you have written approval from your physician dated within six months on the donation date specifying whether you may donate blood or platelets
Thalassemia Minor

-You may donate if you have the Thalassemia trait.

You may NOT donate

-if you have Thalassemia Major.

Transverse Myelitis You may NOT donate blood.
Trypanosomiasis You may NOT donate blood.
Tuberculosis You may donate if you have no symptoms after therapy is completed and you are no longer under a physician's care, or you have a negative reactive skin test, or you have had a negative chest x-ray, or you are taking Isoniazid for conversion of skin test with no disease.
Ulcer You may donate.
Ulcerative Colitis You may donate if you have no active symptoms of diarrhea within 72 hours of donating.
Urinary Tract Infection You may donate if treatment is completed and you have no symptoms.
West Nile Virus

You can donate 120 days after diagnosis or onset of symptoms, whichever is the longest period

Xenotransplantation You may NOT donate blood.
Yeast Infection You may donate.

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