Why is the skin raised and itchy two years after the tattoo

Tattoo two years after the raised itch may be allergy, local infection, scar proliferation and other manifestations.
1. Allergy: two years after the tattoo raised itchy, may be due to local contact with allergic substances, can take anti-allergy drugs for treatment, such as cetirizine or loratadine.
2. Infection: two years after the tattoo, if there is trauma or other skin diseases lead to local tissue infection, may also lead to the emergence of the itchy situation, at the same time there will be raised pustules and other symptoms, can be applied locally mupirocin ointment, erythromycin ointment and other treatments, if necessary, need to be surgically drained.
3. Scarring: tattoo is invasive operation, the pigment long-term retention in the dermis, tattoo two years later, if the local tissue by friction, trauma and other stimuli and scarring will also appear raised itchy situation.
Two years after the tattoo raised itchy must pay attention to, go to the regular hospital in a timely manner for treatment, so as not to delay the condition caused by adverse consequences.