Viagra side effects

The FDA approved Viagra use in men with erectile dysfunction only after several clinical trials. The use of Viagra was estimated in over 3,700 patients (19 to 87 years of age). In these placebo-controlled trials, only 2.5% of males from Viagra group stopped the treatment due side effects occurrence in comparison with 2.3% from placebo group. These numbers show that Viagra is well-tolerated by the majority of patients and the medication causes no or minor side effects in most men. It was detected that the incidence of side effects has been dose-dependent, so a patient should take only the dose prescribed for him and never exceed it to avoid possible side effects.

Viagra should be taken only after a doctor’s consultation. The medication will not cause serious side effects if you take it properly.

Some patients with certain conditions should be especially careful. Some health diseases may increase the possibility of Viagra side effects.

Common Viagra side effects may include:

  • warmth or redness in the face, neck, or chest;
  • stuffy nose;
  • headache;
  • upset stomach;
  • back pain of muscle pain.

Serious side effects happen rarely, still if they occur a patient should immediately seek medical help. These severe side effects include:

  • sudden hearing loss;
  • chest pain;
  • irregular, fast heartbeat, tachycardia;
  • swelling;
  • shortness of breath;
  • fainting;
  • allergic reactions;
  • sudden vision loss.
  • painful prolonged penis erection;

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