Why do organ recipients need to be a match but have to take anti rejection meds for the rest of their lives?
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You will only be a 100% match with an organ if it’s 100% genetically identical to yours, so the only possible 100% guaranteed with 0% rejections are clones or genetically identical twins.
Any other would have rejections(small or great) and this means that majority of ttansplanted organs will be rejected by the recpient body sooner or later. Anti rejection pills are to lessen the chances and magnituse of organ damage due to rejection somewhere along the line.
To make it short, checking for “matching” donor and recipient determines the immediate success of the operation. Taking anti rejection meds keeps the transplant successful.
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