The only exception is if you're an existing donor. The Red Cross says if you have previously given blood before in Australia and meet eligiblity criteria, you can continue donating whole blood up to your 81st birthday.
If you've recently had some ink, you'll need to wait at least four months because there is a risk of infection. This also applies to cosmetic tattooing.
If you're an expecting, you won't be able to donate as it can pose too much stress to your and your baby's circulation.
If you have heart-related issues, donating blood isn't for you. The Heart Foundation says that if your angina has been treated and you've had no further symptoms for at least six months and you meet other criteria, you may be able to donate. But make sure you speak to your doctor first.
Iron is an important mineral nutrient that helps to make haemoglobin, a protein that transports oxygen around your body. Women who are menstruating are especially susceptible to low iron levels so if you're thinking of donating, check with your doctor to see you're not deficient.
Bad luck for any ex-pats, you're ineligible to donate because you may have the deadly variant Creutzfeldt-Jakob (vCJD) disease sometimes known as 'mad cow disease'. Though cases of vCJD are diminishing, there isn't a blood test available for it that's suitable for screening blood donors plus vCJD can incubate in someone for years before any symptoms come up.
If you've had unprotected sex with someone who could have HIV, hepatitis B, hepatitis C or human T-lymphotropic virus (HTLV) or engaged in any 'at-risk' sexual behaviour in the last 12 months, make sure you get yourself checked before donating blood.
This one only applies if you've injected drugs that haven't been prescribed by a practising medical practitioner.
In most cases, this is a non-issue, but you may have to wait between four weeks to four months if you're going somewhere where there's a risk of catching malaria, HIV, Dengue fever, Ebola virus, West Nile virus or the Zika virus. Check with your doctor to make sure.
This one is a hard no. You'll be turned around and sent home as if you're intoxicated, you may not be able to answer the donor questionnaire and declaration to your best ability. Plus, being drunk also affects your body's ability to tolerate blood being taken.