My bottom recently itchy?

first things first, whatever floats your boat. That said, vibrators can cause some nerve problems. Just like a woman using a vibrator, it desensitizes the nerves and yes can cause numbness. Most likely the itching you are feeling is the after effects of the nerves restoring themselves to normal after the excess aggravation. Hope this helps

Ok well you said you just started using the vibrator so im going to assume its new. If it is latex, or a cheap "jelly" material that could cause itching, numbness or discomfort. I have a latex allergy and i find the cheaper toys are also very bad for causing a reaction! Wash it well with warm soapy water (your toy i mean) if its not waterproof use common sense and don't put it under water. I find the cheaper toys, or ones that have a certain scent when brand new aren't any good.

give it some time for it to clear up before using the vibrator again. make sure the vibrator is cleaned and apply some lube the next time u use it. If it's really bothering u and doesnt seem to clear up, see the doctor.