Teladoc does not guarantee prescriptions. It is up to the doctor to recommend the best treatment. Teladoc doctors do not issue prescriptions for substances controlled by the DEA, non-therapeutic, and/or certain other drugs which may be harmful because of their potential for abuse. These include, but are not limited to, antidepressant drugs such as Cymbalta, Prozac and Zoloft which are drugs that are harmful due to their potential for abuse. Also, non-therapeutic drugs such as Viagra and Cialis are not prescribed by Teladoc doctors.