Contraindications to donating blood for autologous use
| Significant cerebrovascular or cardiovascular disease |
| Anaemia (haemoglobin <11 g/dl) |
| Active bacterial infection |
| Positive for viral markers (HBV, HCV, HIV, syphilis) |
| Caution in patients on some antihypertensive medication—for example, β blockers, ACE inhibitors |