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levitra (vardenafil)

It is developed for the elimination of erection problems in men

levitra (vardenafil)

Instructions of the pharmaceutical preparation Levitra

Read carefully the instructions on the preparation Levitra before take it. It contains full information about the drug Levitra, produced in the tablets of 5, 10, 20 mg dose. If during the annotation reading some questions were arisen you would get all necessary information from your doctor, who prescribed the treatment.

Main data on the preparation Levitra

It is developed for the elimination of erection problems in men. This pathology does not allow men having sex and leads to the deterioration of family relationships. The main component of the drug is Vardenafil. This substance allows preventing the impotence.

Chemical composition and available dosage

The drug comes in the form of a tablet of round form, film-coated. A package contains aluminum plate with the tablets from 1 to 12. One tablet contains Vardenafil weighing 5, 10, 20 mg.

Mechanism of Levitra action on man's organism and its features

The drug allows you to treat a decrease or complete lack of erections in men. The process of erection is based on blood flow to the cavernous bodies of the penis. Normally this is achieved by muscle relaxation of the cavernous bodies and the arterioles. The drug increases the blood flow in the cavernous bodies during sexual arousal and contributes to stable erection in men. This mechanism is well studied and the active ingredient has passed all the necessary tests. They were conducted on a group of volunteers and in animals (mice and rats).

Pharmacokinetic features of Levitra

The preparation absorbs in the stomach mucous and the preparation begins to act within 15 minutes after taking 1 tablet. The action may last 5 hours. Maximum effectiveness occurs within 1 hour. Please note: the consumption of fatty meals reduces the rate of absorption and delays the time of therapeutic effect onset. Food does not influence the properties of the active substance.

Levitra taking, available and therapeutic dose

The main method of taking is oral, regardless of time of meal. There is need in sexual stimulation in order the effect exhibits after the tablet intake. The recommended dosage is 10mg; it should be taken 30 minutes prior to sex. If there is no effect, the dose may be increased up to 20 mg. When taking other drugs, the dosage of Vardenafil is 5 mg. Older men should take the specified dosage. Only the attending medical doctor may increase the dose and select it individually. The dosage of Vardenafil is also 5 mg in the case of hepatic failure. The preparation should be taken only once per day and the dosage should not exceed 20 mg.

Overdosage

The intake of the tablet with 40 mg of active ingredient did not affect negatively. It was registered the back pain in one of volunteers after the intake of 80 mg of Vardenafil. Assistance in case of overdose is symptomatic one.

List of contraindications, the peculiarities of Levitra taking by the patients with corresponding diseases

It is not recommended to use Levitra having following states:

  • for men with cardiovascular disease whom the sexual intercourse is contraindicated
  • with a history of stroke or myocardial infarction (minimum 6 months ago)
  • arterial hypotension and blood pressure is below 90 mm Hg
  • primary hypertension with unchecked attacks
  • preinfarction angina
  • registered cases of the interval Q–T increases at ECG
  • disorders of the valvular apparatus of the heart
  • suffering severe or acute form of liver failure
  • suffering severe dysfunction of kidneys (including artificial dialysis)
  • degenerative processes in retina (including retinopathy)
  • curvature of penis
  • blood diseases (leukemia, sickle anemia, benign neoplastic processes)
  • peptic ulcer in the acute stage, the f bleeding in the digestive tract
  • hypersensitivity and idiosyncrasy of vardenafil
  • administration of Levitra and nitrogen containing drugs (nitroglycerin, etc.)
  • combination of Levitra and drugs for HIV treatment (indinavir)

It is strictly prohibited the administration of the drug to children under 16 years of age and women.

Side effects

In some cases may appear such negative effects as:

  • pain in the back of head and temples
  • reduction of visual function, deterioration of color vision
  • dizziness, sometimes nausea
  • hypertone of various muscles
  • sleep disorder (insomnia or vice versa – constant somnolency)

Sometimes there may be such effects:

  • nausea
  • the increase in the level of GGTP
  • pain in the lumbar spine
  • various kinds of allergies (rash, shortness of breath, pressure drop)
  • muscle pain
  • growth of creatine kinase

Main measures to prevent negative effects of the preparation

If there is arterial hypertension and diseases of the cardiovascular system in a history there is a need of a cardiologist consultation. It is not recommended to drive a car if you have one of the side effects listed in these instructions. Vardenafil and other drugs with the same properties should not be administrated together. The effects of co-administration of these substances have not been studied. The patient shall be responsible for the side effects of such mixtures.

Peculiarities of Levitra storage

The tablets should be kept in a cool dry place, away from children. The storage temperature should not exceed 30C. The maximum expiry date of the drug is 3 years from the date of production.