A donor is unfit to donate blood if he/she:

Medical Conditions:

• Is not feeling well for any reason.
• Is suffering from condition like hemophilia, Thallasemia or any other blood disorder.
• Has had hepatitis any time after their eleventh birthday.
• Has multiple sclerosis.
• Has cold, sore throat, respiratory infection, or flu.
• Has difficulty of breathing, shortness of breath, asthma, etc.
• Has had Measles, mumps, chicken pox in the past three weeks.
• Has had Tuberculosis (T.B.) and is under medication since less than two years.
• Has had a vaccination in the last 24 hours.
• Has taken alcohol in the last 24 hours.
• Has had a miscarriage in last 6 months or has been pregnant or lactating in the last one year.
• Is menstruating. It is safer to donate a week after it.

Drugs:

• Has been taking drugs like antibiotics, Aspirin, anti-hypertensive, anti-diabetics, hormones, corticosteroids etc.
• Has ever taken narcotic drugs by intravenous route.
• Sniffed cocaine or any other restricted drugs within last 12 months.

Surgeries:

• Has had open heart surgery in last three years.
• Has had surgery for a serious injury and the wound hasn’t healed as yet .
• Has undergone dental work like root canal or extraction of tooth within seventy-two hours.
• Has had blood transfusion in last one year.

Sexually transmitted disease:

• Has had venereal disease, Chlamydia, genital herpes, syphilis, gonorrhea.
• Has had sex with a male or female prostitute.