(countable and uncountable, plural post-exposure prophylaxes)
- (medicine) protective medical treatment after exposure to a probable source of infection, especially HIV.
- Rape victims should be informed of the option of post-exposure prophylaxis to prevent HIV, in addition to emergency contraception.
- Post-exposure prophylaxis may be discontinued if the animal involved is a dog or cat that remains healthy..., WHO expert consultation on rabies: first report
- Vaccine should be used in all circumstances for postexposure prophylaxis except in infants less than 1 year of age., Viral Hepatitis in Children: Unique Features and Opportunities