Dial 171 for police, ambulance, fire, or any emergency in the metropolitan area.
Pharmacies in different neighborhoods take turns staying open all night; spot them by the sign turno, or consult local newspapers for lists of open farmacias (pharmacies).
A reputable private clinic with an English-speaking staff is the Clínica El Ávila in Altamira.
Clínica El Ávila (Av. San Juan Bosco at 6a Transversal, Altamira. 0212/276-1111).