Adverse events are usually transient and mild or moderate. The frequency of adverse events increases with increasing dose 비아그라 구입.
On the part of the body as a whole: asthenia, pain, abdominal pain, back pain, infection, flu-like syndrome.
From the side of the cardiovascular system: vasodilation (a side effect reported in clinical studies).
From the digestive system: diarrhea, nausea 비아그라 구입.
From the musculoskeletal system: joint pain, muscle pain.
From the side of the central nervous system and peripheral nervous system: dizziness (a side effect recorded in clinical studies), increased muscle tone, insomnia 비아그라 구입.
On the part of the respiratory system: nasal congestion, pharyngitis, rhinitis (a side effect recorded in clinical studies), sinusitis, respiratory tract infections, impaired respiratory function.
Dermatological reactions: rash.
On the part of the senses: vision changes: mild and transient, mainly a change in the color of objects, as well as increased perception of light and blurred vision (a side effect recorded in clinical studies), conjunctivitis.
From the urinary system: urinary tract infections.
From the reproductive system: dysfunction of the prostate gland.
When using the drug in doses exceeding the recommended, side effects were similar to those noted above, but usually occurred more often.
Listed below are the adverse events reported during post-marketing use.
From the side of the cardiovascular system: arterial hypotension, fainting, tachycardia, palpitations.
On the part of the digestive system: vomiting (a side effect recorded in clinical studies).
From the reproductive system: prolonged erection and / or priapism.
From the senses: pain in the eyes, redness of the eyes.
Other: allergic reactions.
How to take, course of administration and dosage
The drug is taken orally.
For most patients, the recommended dose is 50 mg; the drug is taken if necessary approximately 1 hour before sexual activity. Based on efficacy and tolerability, the dose may be increased to 100 mg or reduced to 25 mg.
The maximum recommended dose is 100 mg.
The maximum recommended frequency of use is 1 time / day.
Special Instructions
To diagnose erectile dysfunction, determine their possible causes and select adequate treatment, it is necessary to collect a complete medical history and conduct a thorough physical examination. Treatments for erectile dysfunction should be used with caution in patients with anatomical deformity of the penis (angulation, cavernous fibrosis, Peyronie’s disease), or in patients with risk factors for developing priapism (sickle cell anemia, multiple myeloma, leukemia).
Drugs intended for the treatment of erectile dysfunction should not be prescribed to men for whom sexual activity is undesirable.