Related Clues:

• A hormone terminus, or a Greek letter N
• Phone-in doctor briefly sorted out painkiller
• Fat person losing second home gets painkiller
• Opiate-like substance produced in the brain
• Stop destitute child possibly using one for a pain-killer
• No diner gets order around pub -- it could produce a rush!
• Type of hormone, produced in the body, that reduces pain
• Neurochemical with analgesic properties — dinner hop (anag)
• Hormone in hen -- products not half contaminated
• Hormone in the brain with an analgesic effect
• Pain-inhibiting peptide produced by the brain
• Brain hormone
• Dodgily roped in to swallow hot new painkiller
• Crackpot phoned in to obtain queen's personal number
• Phoned in, somehow having obtained right number