The patient should stop using vardenafil if these occur. Rarely, an allergic reaction may occur. This can lead to hives , difficulty breathing, and swelling of the face, tongue, and throat. It can lead to shock, and it can be fatal. If these symptoms appear, it should be treated as a medical emergency. Very rare side effects may include priapism, when an erection lasts longer than 4 hours.
This can damage the penis. If an erection lasts too long, the individual should seek medical attention. Visual disturbances can happen when blood pressure drops in the eye. The individual may see a blue tinge to objects, and they may have difficulty distinguishing between the colors green and blue.
Very rarely, there may be a sudden deterioration in vision in one or both eyes. This can indicate a heart condition, an existing eye problem, high cholesterol , diabetes , or hypertension.
If any sudden loss of vision occurs, the individual should stop taking the medication and seek medical help immediately. Vision problems are most likely in patients with other conditions, such as heart or coronary artery disease , diabetes, and high cholesterol. Vision problems are more likely to happen if the person smokes, or if they are aged over 50 years.
There is also a risk of stroke and heart attack. Erectile dysfunction sometimes called impotence means that you cannot get or maintain a proper erection. There are several causes, the most common being due to a narrowing of the arteries that take blood to the penis. Vardenafil works by preventing the action of a chemical in your body, called phosphodiesterase type This helps to widen relax blood vessels and improves the flow of blood to the penis following sexual stimulation.
This helps to maintain an erection. Vardenafil is available on prescription, but it is only prescribed on the NHS for men with erectile dysfunction resulting from certain medical conditions. If you are given a private non-NHS prescription, you will be asked to pay the full cost of the tablets.
Some medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking vardenafil it is important that your doctor knows:.
Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with vardenafil. You will find a full list in the manufacturer's information leaflet supplied with your medicine.
Levitra vardenafil hydrochloride is an oral medication taken to treat erectile dysfunction ED. But how does Levitra compare to other common ED treatments? The review also noted that Levitra was especially helpful for people who had ED that resulted from:. A study of 61 men with sleep apnea another risk factor for ED observed the effects of both Levitra and the use of a continuous positive airway pressure CPAP machine over a week period.
The study suggests that the continuous use of a low dose of Levitra about 10 mg and a CPAP machine together can result in more consistent erections and sexual satisfaction. On average, people who use Levitra report that it starts working after less than an hour. Most people also report that they can continue to have an erection for up to 5 hours after taking it. Levitra is similar to other PDE5 inhibitors like Viagra, Cialis, and Stendra, but it has different dosing schedule and duration.
You should only take Levitra once a day right before you plan to have sex. Priapism is a rare side effect that happens when you have a single erection that lasts 4 hours or more. However, you need to inform your doctor about any other prescription medications you use, especially nitrates and other drugs used to treat hypertension. Levitra is available in three doses, ranging from a 5mg dose intended to treat mild ED to the highest dose of 20mg:. This is the recommended starting dose of Levitra.
This is the highest dose of Levitra. Do not exceed a 20mg dose of Levitra. This is the smallest available dose of Levitra. In clinical trials of Levitra, the 5mg dose is enough to cause an improvement in erections for most men.
This is the recommended starting dose of Viagra. This is the highest dose of Viagra. You should not exceed mg of Viagra. This light dose of Viagra is typically used to treat mild ED, especially in younger men. Levitra and Viagra are very similar medications.
They both work for about the same amount of time and show similar improvements for men with ED in clinical trials. If you have ED and need a reliable medication to help you become and stay erect, both drugs are great choices. If you need an ED medication that you can take with dinner, Levitra might be the better choice out of the two.
If you prefer a shorter-acting ED medication, or if you have long QT syndrome, Viagra might be a better choice. This article is for informational purposes only and does not constitute medical advice. The information contained herein is not a substitute for and should never be relied upon for professional medical advice. Always talk to your doctor about the risks and benefits of any treatment.
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