I have had a strong tickle in the back of my throat for two monthsi feel the tickle when breathing it sometimes talking causes tickle what could it be?

Reflux?: Laryngopharyngeal reflux, or extraesophageal reflux often involves a sense of a something being caught in the throat. There can also be some throat-clearing, hoarseness, nighttime cough, sore throat, or bad taste in the mouth. Consider seeing an ENT for an evaluation. In the meantime put a brick or phone book under your headboard and avoid eating for 2-3 hours before bedtime.