It actually feels as though there is a lump in my throat. it hurts to swallow, but not sore throat hurt. what could be the cause?

Reflux: One of the most common reasons my patients complain of this symptom is acid reflux. A small bit of acid can come up when you lie flat and it causes swelling of the larynx. This causes the feeling that something is stuck in your throat. Avoid -spicy foods, eating late a night, acid foods. Try Prilosec otc for a couple of weeks and if it doesn't get better see an ent.

Dry Mouth: Dry mouth can be due to: age, medications, dehydration, disease. Dry mouth can cause difficulty with swallowing and a lump in the throat feeling.