Viagra Cialis or Levitra

Viagra, Cialis or Levitra are oral drugs used in the treatment of erectile dysfunction. Also, one may know them by their generic names Sildenafil (Viagra), tadalafil (Cialis) and Vardenafil (Levitra). About 30 million men occasionally have a problem with how to get or keep an erection according to the Urology Care Foundation. When erectile dysfunction becomes problem, many men turn to oral erectile dysfunction drugs. These drugs often help Viagra, Cialis or Levitra work in the same manner. But there are also some differences such as when you take them, how long they work and what their side effects are.

Features of the Drugs

Viagra, Cialis or Levitra are all in a class of drugs called PDE-5 inhibitors. These drugs work by blocking an enzyme called phosphodiesterase type 5. They boost a chemical in your body called nitric oxide this action encourages the muscles in your penis to relax. Relaxed muscles allow blood to flow freely so that when you are aroused, you can get an erection. It also helps you maintain the erection long enough to have sex.
Both Viagra and Levitra stay in your bloodstream for about four to six hours. Cialis remains in your blood stream for 17 to 18 hours or longer.teh length of time a drug stays in your system may be important if you are taking other medications. It is very important to take the drugs exactly as your doctor tells you to and if you have any questions or concerns, talk to your doctor.

Cost, Insurance and Availability

Viagra, Cialis or Levitra are usually stocked at most pharmacies. All three of the medications cost about the same amount. Generally speaking, most health insurance companies will not cover their costs but if you have certain medical conditions, your health plan may pay for the drug with higher authorization.

Side Effects

All the three have similar side effects which include headaches, stuffy nose, facial flushing, stomach ache or back pain being the most common. Some men who have had bad effects with say Viagra will have fewer with Levitra or Cialis but similarly, some find the prolonged side effects of Cialis troubling.

Viagra, Cialis or Levitra should not be taken by men who take medicines or recreational drugs containing nitrates. Cialis should not be taken by men who are on medicines called alpha blockers which are sometimes used to treat prostate problems or high blood pressure. Men who take alpha blockers can use Viagra or Levitra but must allow at least a six hour gap between taking the alpha blocker and Viagra or Levitra.