See also: travelers' diarrhea
- (α-forms, US) travelers' diarrhea
- (β-forms, UK) traveller's diarrhoea, travellers' diarrhoea
- (γ-forms, mixed) traveller's diarrhea, travellers' diarrhea, traveler's diarrhoea, travelers' diarrhoea
- Diarrhea contracted by someone from a more developed country while travelling, especially as a tourist, in a less developed country with lower standards of food hygiene.
- TD (initialism)