Sarcoidosis, an autoimmune disease that can affect the skin and other organs, sometimes first appears with bumps at the site of a tattoo, she says. Infections are more common within the first couple of days or weeks of getting a tattoo, Dr.

Today they're common everywhere from Maori communities in New Zealand to office parks in Ohio. But in the ancient Middle East, the writers of the Hebrew Bible forbade tattooing. Per Leviticus 19:28, “You shall not make gashes in your flesh for the dead, or incise any marks on yourselves.”

Older tattoos may be raised due to scar tissue Thicker lines, and more pressure applied during tattooing, can cause some scarring. It's nothing to be concerned about, but it can sometimes raise up, and this is generally caused by changes in body temperature or weather conditions, as well as general health.