Allergies, hay fever and blood donation

Yes, you can donate. Yes. Stable allergies and antihistamines do not stop donation, as long as you feel well and are not wheezy on the day. ## The short answer An allergy that is not active does not change your blood’s safety, and antihistamines are not a deferral. If your allergy is flaring badly (sneezing non-stop, wheeze, swollen eyes), treat first and donate when settled, mostly so you feel fine during and after. ## At the screening desk Tell the staff: Mention your allergy and tablet name at screening. That conversation is confidential and takes a minute, it exists so the medical officer can clear you safely on the day. Everyone meets the same basics: age 18,65, weight 50 kg+, haemoglobin on target, feeling well today. Men donate every 3 months, women every 4, the rest rules, simply. Not sure about your case? Try the Can I donate? checker or read who can donate and the deferral list in plain words. Still weighing it? Is blood donation safe? and the honest side-effects list are straight answers, not brochure talk. ## The one line that matters The medical officer at the centre makes the final call on the day, with your name, your file and your actual reading in front of them. Use this page to walk in informed, not to overrule anyone.