Symptoms of a tattoo infection include a rash, fever, worsening swelling, and more. According to a 2017 survey, 40% of people aged 18–69 years old in the United States have at least one tattoo.

Tattoos can cause a spectrum of reactions, from swelling at the injection site to an effect that can spread over the body.

New tattoos always cause some irritation. Injecting ink-covered needles into your skin spurs your immune system into action, resulting in redness, swelling, and warmth. These symptoms should fade ...

This can result if a tattoo parlour uses unclean water for washing or diluting ink, says Dr. Shainhouse, or afterward, from exposure to other moisture. “These present as a single red ...