Tattoo itching raised, may be allergies, keloids, bacterial infections and other factors, should promptly consult a doctor to clarify the cause of the corresponding treatment. 1. Allergy: tattoo itchy bumps up may be patients allergic to the tattoo material caused by contact dermatitis, if necessary, can be washed off the tattoo. 2. keloid: tattoo itchy bump up may also be caused by keloid, which is secondary to the skin trauma tissue overgrowth, can lead to itchy and bumpy lesions. 3. Bacterial infection: tattoo itchy bumpy may also be caused by bacterial infection, the patient will also have localized redness, swelling, heat, pain, and in severe cases will be feverish. Tattoo itching raised, need to consult a doctor in a timely manner, after the cause of the disease is clear, follow the doctor’s instructions for targeted treatment.