Efectos Secundarios ("Side Effects") is a 2006 satire comedy-drama film directed by Issa López.

The film stars Marina de Tavira, Alejandra Gollás, Arturo Barba and Pedro Izquierdo.

Marina fell in love with Ignacio at graduation, after he pulled her out of a pool and gave her mouth-to-mouth resuscitation, which she interpreted as a kiss.

During graduation as well, Adan in a prank gone awry broke Mimi's ankle, which resulted on her missing out on her one shot to appear in a famous soap opera.

Mimi works in a kids show playing the part of a bumblebee and Ignacio is a risk analyst for an insurance company, obsessed with the death of his girlfriend 8 years before.