I am often asked which is the best of the three most common erectile dysfunction treatments: Viagra, Levitra or Cialis. Viagra is the most well-known of the three as it has been around for over 15 years. There is no simple answer to this question, as some men find one treatment works better for them than the others. This means that a lot is known about its effects and side effects. It works within an hour of taking a tablet, and is best taken on an empty stomach. The effects of Viagra will last for four to six hours. Viagra was developed and originally marketed by the pharmaceutical company Pfizer, and until 2013 Pfizer was the only company allowed to sell it. When Pfizer’s patent on Viagra expired, the market was open for other companies to produce the medicine, albeit under its generic name Sildenafil, rather than the brand name Viagra. Sildenafil contains exactly the same active ingredient as Viagra (sildenafil citrate), and works in the same way. do you have to be 18 to buy clomid Cialis, Levitra, and Viagra are oral medications used to treat erectile dysfunction (ED). You may also know them by their generic names, tadalafil (Cialis), vardenafil (Levitra), and sildenafil (Viagra). About 30 million men occasionally have a problem with getting or keeping an erection, according to the Urology Care Foundation. When ED becomes a problem, many men turn to oral ED medications. Cialis, Levitra, and Viagra each work in similar ways. But there are also some differences, such as when you take them, how long they work, and what their side effects are. Cialis, Levitra, and Viagra are all in a class of drugs called PDE-5 inhibitors. These drugs work by blocking an enzyme called phosphodiesterase type 5. Tamoxifen prospect Tadalafil bulk powder Xanax wholesale Jul 29, 2016. Cialis, Levitra, and Viagra are oral medications used to treat erectile dysfunction ED. You may also know them by their generic names. metformin hydrochloride ip Nov 7, 2018. You may already know most of the names Cialis, Levitra, Staxyn. Caution Do not use these ED medications if you take nitrates, such as. Levitra tablets belong to the pharmacological group of drugs for the treatment of erectile dysfunction. They are used to treat men's impotence of the penis. Vardenafil belongs to the class of medications called phosphodiesterase type 5 inhibitors. It is used to treat erectile dysfunction (male impotence). It helps to achieve penile erection sufficient for sexual activity to occur. It does this by allowing a greater blood flow into the penis when a man taking the medication is sexually aroused. It works only with sexual stimulation and does not increase sexual desire. Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. The Patient Information Leaflet (PIL) is the leaflet included in the pack with a medicine. It is written for patients and gives information about taking or using a medicine. It is possible that the leaflet in your medicine pack may differ from this version because it may have been updated since your medicine was packaged. Below is a text only representation of the Patient Information Leaflet. The original can be viewed in PDF format using the link above. What Levitra is and what it is used for Levitra contains vardenafil, a member of a class of medicines called phosphodiesterase type 5 inhibitors. The text only version may be available from RNIB in large print, Braille or audio CD. They are used for the treatment of erectile dysfunction in adult men, a condition which implies difficulties in getting or keeping an erection. For further information call RNIB Medicine Leaflet Line on 08. At least one in ten men has trouble getting or keeping an erection at some time. Levitra used for Levitra Side Effects - Superdrug™ Online Doctor, Cialis, Viagra & Levitra ED Medications Comparison of Erectile. How does smoking affect anafranil? Oct 6, 2014. Levitra or generic vardenafil, although designed to treat erectile dysfunction. Levitra works fast to improve sexual function in men of all ages including. LiveChat operator images are licensed for use under Creative Commons. How Does Levitra Treat Various Ejaculation Disorders How long does Levitra last Levitra - Uses, Side Effects, Interactions - Aug 18, 2014. 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. valacyclovir resistance Effects on the Eye Patients should stop use of LEVITRA, and seek medical attention in the event of sudden loss of vision in one or both eyes, which could be a. Levitra Tablets is a brand of medicine containing the active ingredient Vardenafil. Find out about side effects, who can take it and who shouldn't use Levitr.