Because appointments can be brief and there’s often a lot of ground to cover, it’s a good idea to be well prepared. Medicines that you take by mouth are called oral medicines. A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow. Your doctor or other health care professional can recommend one for you based on these factors, other health conditions you have and any other medicines you take. Oral medicines for ED usually work well and cause few side effects. When oral medications might not be safe Check with your health care team before you take any medicine for erectile dysfunction.CHOOSE BRAND-NAME VIAGRA The original little blue pill prescribed by doctors for over 20 years Clinically proven to treat men with erectile dysfunction (ED) Ongoing . Oral medications are a successful erectile dysfunction treatment for many men. They include: Sildenafil (Viagra) Tadalafil (Adcirca, Cialis) Vardenafil (Levitra, . ” Take the first step and talk to your doctor Important Safety Information and Indication Do not take VIAGRA if you: • take any medicines called nitrates, often prescribed for chest .