Yes, you can donate blood if you have tattoos If you got a tattoo in the last three months, it is completely healed, and was applied by a state-regulated facility, which uses sterile needles and fresh ink—and you meet all blood donor eligibility requirements—you can donate blood!

Superficial and deep local infections, systemic infections, allergic reactions, photodermatitis, granulomatous reactions and lichenoid reactions may occur. Skin diseases localised on the tattooed area, such as eczema, psoriasis, lichen planus, and morphea can be occasionally seen.

It depends on who you ask. There are some Christians who believe it is a sin. The verse in the Bible that most Christians make reference to is Leviticus 19:28, which says,"You shall not make any cuttings in your flesh for the dead, nor tattoo any marks on you: I am the Lord." So, why is this verse in the Bible?