This practically helps to increase blood flow throughout the body. When oral medications might not be safe Check with your health care team before you take any medicine for erectile dysfunction. Because appointments can be brief and there’s often a lot of ground to cover, it’s a good idea to be well prepared. Are there any restrictions that I need to follow? For more information you can consult our full Viasil review No. Some of these drugs can interact with prescription drugs and cause dangerously low blood pressure. A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow.Sildenafil (Viagra). This medicine works best when you take it on an empty stomach an hour before sex. The body takes longer to absorb it after a high-fat meal or . weight loss program, epipen refill, trichomoniasis treatment, testicular pain evaluation, pelvic exam, depression screening, high blood pressure screening. Symptoms of ED include difficulty getting or maintaining an erection and less desire for sex. Learn more about ED symptoms, causes, and treatment options. Their efficacy may not have been scientifically tested to the same degree as the drugs listed in the table above. However there may be historical, cultural or anecdotal evidence linking their use to the treatment of Erectile Dysfunction. Damiana. Horny Goat Weed.