What would cause tingling sensation in back of throat and tongue?

See oral surgeon: There are a number of things that can causes this. Could be allergies, acid reflux, or a number of other things. The only way to know is to have an evaluation. Schedule an appointment asap.

Tingling: Possibly from allergies (recent change in food/medicine/supplements), burn, trauma, neuropathy, viral/bacterial/fungal infection, etc. Recommend that you expeditiously make appointment with an Oral Surgeon