Indigestion
Indigestion was a medical condition. As explained by Liz Shaw to King Henry VIII while treating him for indigestion in an attempt to cure his hiccups, it was caused when excess acid was formed during the process of food digestion. (PROSE: Hiccup in Time)
After Susan Foreman was almost attacked by an alligator in the London sewers, David Campbell commented that she would've probably given him indigestion. (TV: The Dalek Invasion of Earth)
The Second Doctor sarcastically asked Professor Zaroff if the distant sound of the waters approaching was just the goddess Amdo with indigestion. (TV: The Underwater Menace)
Elric Penley told Storr, who was trying to shrug off his injuries, that if a polar bear got him, he'd give him indigestion. (TV: The Ice Warriors)
When the Third Doctor told Sarah Jane Smith, who was being taken to the Eight Legs, to try and stall them as long as she could, she said she'd do her best to give them all indigestion. (TV: Planet of the Spiders)
The Fourth Doctor jokingly told Organon, who was busy eating, that he had checked out his horoscope and discovered he was going to die of indigestion. (TV: The Creature from the Pit)
A space amoeba which had consumed TARDIS began suffering from indigestion when the First Doctor began constantly turning the ship's power off and back on again, eventually leading to its death. (COMIC: Timeslip)
When Camilla claimed that rich food the Three Who Rule kept for themselves would only distress the peasants, the Fourth Doctor replied that it would probably give them indigestion. (TV: State of Decay)
The Sixth Doctor, noticing Mestor's distress upon telepathically learning his guards had failed to capture Romulus and Remus Sylvest, asked if it was indigestion. (TV: The Twin Dilemma)
The Seventh Doctor told Ishtar that if she tried to consume his mind, he'd give her indigestion. (PROSE: Timewyrm: Genesys)
The Eighth Doctor attributed a grumbling noise from the TARDIS to indigestion, as the Bruce Master had been sucked into the Eye of Harmony. (TV: Doctor Who)
The Tenth Doctor, noticing the TARDIS' difficulty in landing on Krop Tor, suggested that the ship was suffering from indigestion. (TV: The Impossible Planet)
The Eleventh Doctor gave the Mykuootni indigestion by turning the nuclear fission energy they were feeding on into nuclear fusion energy. (COMIC: Power of the Mykuootni)
The Twelfth Doctor told Lafcardio that steak tartare was a food worth getting indigestion for. He later claimed that his attempts to be charming get mistaken for indigestion. (PROSE: The Blood Cell)