Sexual stimulation causes the production and release of nitric oxide from the nerves endings of the cavernous bodies of the penis hereby activating enzyme guanylate cyclase. Guanylate cyclase in its turn is responsible for production of cyclic Guanosine Monophosphate (cGMP). The cGMP causes widening and relaxation of the blood vessels carrying blood to the penis. Levitra prevents phosphodiesterase-5 enzyme from destroying cGMP and thus helps to support blood flow to the penis.
The recommended starting dose of LEVITRA is 10 mg. It is taken orally, as per the need and at least 60 minutes before sexual activity. The maximum recommended dose is 20 mg. the dose can be decreased to 5 mg based on efficacy and side effects. The maximum recommended dosing frequency is once per day. Sexual stimulation is required for a response to treatment. Levitra can be taken with or without food.
There are some medical affects which is desired but some unwanted effects may be caused by vardenafil (the active ingredient contained in Levitra). In the event that any of these side effects do occur, they may require medical attention. In such a case you should check your doctor immediately if any of these side effects occur when taking vardenafil:
The Less common side effect include Arm, back, or jaw pain, blindness, blurred vision, chest pain or discomfort, chest tightness or heaviness, chills, decreased vision, difficult or labored breathing, dizziness, faintness, or lightheadedness when getting up from a lying or sitting position.
In case you are taking any nitrate drug for heart pain or chest problem do not take Levitra. It may lead to sudden and serious decrease in blood pressure.
In case of sudden vision loss stop taking Levitra.
If the erection has occurred for more than 4 hours and it is painful stop the medication as prolonged erection could cause damage of the penis
If you become dizzy, nauseated or having pain or numbness in your chest stop the medication immediately.
To make sure Levitra is safe for you, tell your doctor if you have:
In case of heart disease or heart related problem start using Levitra only after you discuss with your physician.
In case you had a heart attack stroke or congestive heart failure discuss with your doctor before you start taking the medication
In case of Long QT syndrome the
In case of high blood pressure discuss the schedule of drug regime.
In case of seizures tell your doctor when you undergone it.
When there is a liver disease, kidney disease discuss with your doctor
a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia;
a bleeding disorder such as hemophilia;
In case of a stomach ulcer discuss with your doctor.
In case of physical deformity of the penis (such as Peyronie's disease)
If you have been told you should not have sexual intercourse for health reasons.
The usage is totally on ones desire or when the need arises. If you are using it regularly take the missed dose take it as soon as you remember.
In case of overdose of Levitra it is not expected to produce life threatening symptoms. The medication could be harmful in case it is swallowed. You could seek medical attention immediately in such a condition.
The medication should be stored below thirty degree Celsius. It should be stored away from light and moisture. It should be kept away from children and pets. Discard the medication if it has expired or is not in proper use
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