The back of my throat is yellow and red, theres some bumps, you can see the blood vessels, tonsils have white stuff in the crevices. theres no pain?

Throat infection: Throat with yellow and red areas, bumps, blood vessels and white debris in tonsillar crevices sounds like a throat infection, also known as pharyngitis. Pharyngitis can be viral (more common), or bacterial. try gargling with salt water, drinking warm water with honey and lemon. See health care provider for throat swab to see if infection is bacterial and if there is a need for antibiotics.