Kamagra is an analogue of the popular drug Viagra. Despite the fact that the product is relatively new on the market, it has already gained wide popularity due to its high-quality composition, low cost, as well as its quick and lasting effect.

Mechanism of action

The active ingredient of the drug – sildenafil — is used to treat erectile dysfunction. The substance shows excellent productivity in the fight against psychological, physiological and other factors.

Sildenafil belongs to selective inhibitors, therefore, it affects the natural processes that occur in the body during intimate stimulation. The remedy helps to relax smooth muscles, which leads to increased blood flow. Kamagra is recommended for those who wish to accelerate the onset of an erection and maintain the result for a long time.

Instructions for use

The optimal daily dose of Kamagra is 50 mg. The manufacturer recommends starting with 25 mg, gradually increasing the dosage to 100 mg (if the effect on the male body is weakly expressed). Patients suffering from chronic diseases, as well as elderly men, should not exceed a dose of 25 mg per day.

A capsule must be taken once a day one hour before the planned sexual intercourse. Tablets should be washed down with water or juice. It is not recommended to combine the drug with alcoholic beverages and fatty foods.

Sildenafil activity increases if you take a capsule on an empty stomach. The effect of the drug lasts for 4-5 hours. The remedy works only in combination with healthy sexual stimulation.


Kamagra is contraindicated in the presence of hypersensitivity to Sildenafil. Also, the drug is not intended for use in women and minors. Other contraindications include:

  • unstable angina pectoris;
  • leukemia;
  • cirrhosis of the liver, ulcer;
  • chronic diseases of the gastrointestinal tract;
  • renal or liver failure.

The drug is not recommended for use in men who have serious heart diseases, high blood pressure and other acute diseases.

Side effects

Possible side effects include headache or dizziness, slight malaise and weakness, pain in the limbs, redness of the face and neck due to increased blood flow.

Side effects may increase with an overdose. If you have any long-lasting body’s reaction after taking the medicine, you should consult a doctor. Side effects may also be caused by a combination of the drug with alcoholic beverages.

Drug interactions

Avoid taking Kamagra with any of the following drugs:

  • CYP3A4 inhibitors (erythromycin, cimetidine);
  • indinavir, saquinavir, ritonavir
  • CYP3A4 isoenzyme inhibitors such as ketoconazole or itraconazole;
  • nitrates
  • simvastatin.


Before taking Kamagra for the treatment of erectile dysfunction, it is recommended to undergo an examination of the cardiovascular system.

Caution should be exercised in patients with anatomical deformation of the penis (e.g., angulation, cavernous fibrosis or Peyronie’s disease) and patients with diseases that predispose to the development of priapism (such as sickle cell anemia, multiple myeloma or leukemia).

The drug should not be used in patients for whom sexual activity is contraindicated.

Caution should be exercised in patients with a tendency to bleeding, peptic ulcer of the stomach and duodenum in the acute phase, hereditary retinitis pigmentosa.

The drug is not used in patients under the age of 18 years.

Sildenafil does not affect the ability to drive vehicles and operate machinery.