Thornton RG. Guidance for industry: Labeling for human prescription drug and biological products—implementing the PLR content and format requirements. Likewise, labels for select herbals, homeopathic products, and dietary supplements are also provided. Thus, once approved by the FDA, changes to the PI will be implemented to the labeling of both the brand-name product and its generic equivalent, although temporary differences between labels of the various products may exist. According to Teladoc reviews on iTunes, average wait times for a virtual doctor visit range between minutes. One tool used by the courts as evidence of standard of care has been the PI. When oral medications might not be safe Check with your health care team before you take any medicine for erectile dysfunction.Overdose Ask your doctor Q&A Drug Images What is Viagra? If you have erectile dysfunction (ED), your doctor may recommend that you take Viagra. It’s a prescription drug that’s used in adult. DEA-controlled substances and non-therapeutic drugs (like Viagra and Cialis) are also not available through a Teladoc virtual doctor visit. Teladoc doctors can only prescribe certain medications, like antibiotics and antihistamines. Similarly, mental health therapists can only prescribe mild antidepressants and antianxiety medications. 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 that may be harmful because of their potential for abuse. Also, non-therapeutic drugs such as Viagra and Cialis are not prescribed by Teladoc doctors.