has anyone got a raised tattoo?

My tattoo is fully healed I've had it for a year or so now. But tonight it's raised and it's become itchy and has been burning.
Is this normal? Has anyone else had this?
What should I do? Should I visit my tattooist?
It's the worst tattoo I've ever had!! And I'm so glad it's only small. It was done in a professional tattoo shop.
I have to other that are perfectly fine and better from a different person
Help :( could it be ink posoning ? 

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