Oral dosage, injection in to the penis or insertion it with the tip on the urethra on the suggestion of your penis would be the a few strategies of administering medication for therapy of erectile dysfunction. Viagra was the first pill to treat ED and it was approved by FDA in March 1998. Vardenafil hydrochloride (Levitra) and tadalafil (Cialis) have also been approved. erectile dysfunction More oral medicines are in the process of being tested for protection and effectiveness. The types of phosphodiesterase (PDE) inhibitors include Viagra, Levitra, and Cialis.These drugs can help stimulate blood flow and relax muscles by releasing nitric oxide when they are taken an hour before sex.In comparison to oral medicines, injections work faster to trigger erections. Depending on the patient, the doctor may recommend a dose of 25, 50 or 100 mg. The advised dose of 10mg for Levitra or Cialis can be increased to 20mg if expected. Individuals with other health care illnesses which lessen the body’s capacity to utilize the drug, may perhaps have a decreased dose of five mg. supplements for prostate There is a 2.5 mg dose available for levitra.These PDE should not be used more than once a day. Men making use of nitrate-based medication like nitroglycerin for heart issues should not choose these drugs because it can cause a sudden drop in blood pressure level.Your doctor may want to know and modify your ED prescription if you’re taking any alpha blockers, that are accustomed to treat prostate enlargement or higher blood pressure level. The reason for that is that getting a PDE inhibitor and an alpha-blocker concurrently (within 4 hrs) can cause a sudden drop in blood pressure. penis pump