1 Combined effects with other substances. 2  According to studies, abusing OTC medicines is associated with a higher risk of abusing alcohol or illicit drugs. 3  DXM is often a gateway drug, says James E. Lessenger, MD, who has studied OTC medicine abuse in California.
72km (45 miles) S of Mexico City; 45km (28 miles) NE of Cuernavaca. TepoztlÃ¡n is one of the strangest and most beautiful towns in Mexico. Largely undiscovered by foreign tourists, it occupies the floor of a broad, lush valley whose walls were formed by bizarrely shaped mountains that look like the work of some abstract expressionist giant.
It is the largest building in Teotihuacan and one of the largest in Mesoamerica. Found along the Avenue of the Dead, in between the Pyramid of the Moon and the Ciudadela, and in the shadow of the massive mountain Cerro Gordo, the pyramid is part of a large complex in the heart of the city.