Dyspepsia
Bradypepsia is the medical term meaning slow digestion.
Chyme is the medical term meaning stomach contents during digestion.
Nociception is the medical term meaning pain detection. -algia or -dynia is the medical terminology combining form meaning pain. The traditional Latin term meaning pain is dolor.
analgesic or painkillerAnother term for pain reliever is analgesicAnalgesicAnalgesic
Dorsalgia is the medical term meaning back pain. It is not a frequently used word.
apepsia
Otalgia is the medical term meaning ear pain.
Stomatalgia is the medical term meaning mouth pain.
Mastodynia or mastalgia is the medical term meaning breast pain.
The medical term for stomach pain is gastralgia. The suffix for gastralgia is -algia, meaning "pain."
Gastroenteralgia is the medical term meaning pain in the stomach and intestine.
Adnexal is the medical term meaning near the ovary.