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.
Viejo Mazatlan/Centro. Viejo Mazatlan, or âOld Mazatlanâ in English, is located to the south of the main tourist area, the Zona Dorada, and is also known as the center or downtown. The centerpiece of the old town is the Cathedral, completed in the 19th Century, and the Mercado, located one block from the Cathedral.