Ive got a constant feeling of a lump in my throat and keep clearing my throat constantly. yesterday it went and i didnt feel it, and today it is back. what could it be?

This feeling is called “globus” sensation and could be caused in multiple problems ranging from infection like oral thrush, reflux, diverticulum, tumors or even external compression from abnormality in nearby structures like thyroid. Certainly recommend a thorough physical exam and workup which could include imaging tests, swallow studies and endoscopy.

Because of the location of the sensation in your throat, you'll need to see a physician who has the capability to look at that area. The specialty that has that capability are Ear, Nose and Throat specialists who have both mirrors and flexible scopes to allow them the best view of what might be happening. This is a common complaint in patients who suffer with reflux among the others mentioned.

Possibly cricopharyngeal spasm seconday to stress but an otolaryngologist will need to look with a fiberoptic scope and perhaps order other studies to make an accurate diagnosis.See your ENT physician.