Thrush like symptoms yesterday, swollen gland under ear today. Sends pain when I eat?

Parotitis. You should get it checked out. Sounds like you could have an infection of the salivary gland in your cheek, the parotid gland.
Referred ear pain. Sore throats can often radiate to the ears. A check with the family doctor can usually diagnose or exclude strep throat and ear infections. For persistent symptoms consult an otolaryngologist for a thorough ear, nose and throat examination. Find an ENT doctor near you at www.Entnet.Org.