The information presented therein may be all that is necessary to accurately and completely address the question; however, other resources that provide off-label information may need to be searched as well. Supplemental applications proposing labeling changes for approved drugs and biological products. You can take this medicine with or without food 30 minutes before sex, depending on the dose. Conclusion The PI is a useful source of information that can be easily and freely accessed, and the current format of the label was designed to make it user friendly. It is up to the doctor to recommend the best treatment. Even when courts do not accept the PI as prima facie evidence of the established standard of care, the PI may be used to establish malpractice by reason of a failure to obtain informed consent from the patient.Teladoc doctors don’t issue prescriptions for substances controlled by the DEA, non-therapeutic and/or certain other drugs that may be harmful because of their potential for abuse. Also, non-therapeutic drugs, such as Viagra and Cialis, aren’t prescribed by Teladoc doctors. Instead, when it comes to prescription drugs, the manufacturer’s duty is to provide prescribing physicians with information about the proper use and risks of the product so that the prescriber is then better equipped to educate the consumer/patient about the drug’s use and risks; this is referred to as the learned intermediary doctrine. 2. Also, non-therapeutic drugs such as Viagra and Cialis are not prescribed by Teladoc doctors. How are prescriptions sent to the pharmacy? Teladoc does not dispense prescription drugs.