Yo también tengo fiaca (I Also Have a Hangover or I Am Also Down/in the Doldrums) is a 1978 Argentine sex comedy film directed by Enrique Cahen Salaberry.

The film, produced by Hector Bailez, is based on Ricardo Talesnik's successful 1967 play of the same name and stars Susana Giménez and Juan Carlos Calabró as a middle-aged middle class couple committing infidelity.

Marta, an employee in a pharmacy, in addition to working outside also takes care of almost all the tasks of the daily routine, including housework and raising the children.

The film is an adaption of Ricardo Talesnik's play of the same name which was first staged by the ICTUS group in Santiago de Chile in September 1967, before being performed in Buenos Aires shortly afterwards.

Manrupe and Portela write in the book Un diccionario de films argentinos (1930-1995): "Calabró's first leading role, with some funny moments that could have been more, but stay in the easy stuff.