Description vardenafil contains the same active ingredient as levitra and is an effective ed treatment suitable for men living with diabetes. Description directions take 1 tablet between 30 minutes and 1 hour before sex. Never take more than 1 tablet within 24 hours. Works best on an empty stomach or after a low fat meal. Alcohol will limit vardenafil's effectiveness. Do not combine vardenafil with other ed medicines. Directions warnings possible side effects like all medicines, this medicine can cause side effects, although not everybody gets them. Most of the effects are mild or moderate. Partial, sudden, temporary or permanent decrease or loss of vision in one or both eyes has been experienced by patients. Stop taking vardenafil and contact your doctor immediately. Sudden decrease or loss of hearing has been reported. Cases of sudden death, fast or altered heart beat, heart attack, chest pain, and trouble in cerebral circulation including temporarily decreased blood flow to parts of the brain and bleeding in the brain have been reported in men taking vardenafil. Most of the men who experienced these side effects had heart problems before taking this medicine. It is not possible to determine whether these events were directly related to vardenafil. The chance of having a side effect is described by the following categories very common may affect more than 1 in 10 users headache common may affect up to 1 in 10 users dizziness flushing blocked or runny nose indigestion uncommon may affect up to 1 in 100 users swelling of skin and mucous tissue, including swollen face, lips or throat sleep disorder numbness and impaired perception of touch sleepiness effects on vision redness of the eye, effects on colour vision, eye pain and discomfort, light sensitivity ringing in the ears vertigo fast heart beat or pounding heart breathlessness stuffy nose acid reflux, gastritis, abdominal pain, diarrhoea, vomiting feeling sick nausea, dry mouth raised levels of liver enzymes in your blood rash, reddened skin back or muscle pain increase in blood of a muscle enzyme creatine phosphokinase, muscle stiffness prolonged erections malaise rare may affect up to 1 in 1,000 users inflammation of the eyes conjunctivitis allergic reaction anxiety fainting amnesia seizure increase pressure in the eye glaucoma, lacrimation increased effects on the heart such as heart attack, altered heart beat or angina high or low blood pressure nose bleed effect on results of blood tests to check liver function sensitivity of the skin to sunlight painful erections chest pain temporarily decreased blood flow to parts of the brain very rare or not known may affect less than 1 in 10,000 users or frequency cannot be estimated from the available data blood in the urine haematuria penile bleeding penile haemorrhage presence of blood in the semen haematospermia sudden death bleeding in the brain warnings ingredients what vardenafil contains the active substance is vardenafil. Vardenafil is available in three strengths, containing either 5 mg, 10 mg or 20 mg of vardenafil. The other ingredients may vary depending on the manufacturer of the tablet. Ingredients faqs how effective is vardenafil? Vardenafil 10 mg treats ed in up to 87% of cases. Most men find it works quicker than other ed treatments. If you have eaten a high fat meal or drunk more than 1 2 units of alcohol, you may find it takes longer to work or is less effective. We advise trying an ed treatment 8 times before giving up, considering a higher dose, or seeking an alternative. Vardenafil's strength and dosage the standard dose is 10 mg. Depending on your age, height and weight, the cause and the severity of your ed, you may be prescribed a lower dose of 5 mg, or a higher one of 20 mg. Dosage does not affect how quickly or for how long the treatment works. Higher doses come with an increased chance of developing side effects. Drug interactions with vardenafil if you take alpha blockers such as doxazosin or tamsulosin, you should wait at least 6 hours between taking those and taking vardenafil. You will be unsuitable for vardenafil if you are taking nicorandil or nitrates, such as gtn spray or isosorbide mononitrate tablets to treat angina. It is important that you let us know which prescription, over the counter medicines and recreational drugs you are taking so that we can prescribe vardenafil safely. Alternative ed treatments some men find counselling helpful as a means of exploring and treating psychological causes for ed.faqs