Who can and who should not take Viagra?
비아그라 정품 is only recommended for men over the age of 18 who have impotence, that is, people who are unable to get or maintain an erection. It is not suitable for women.
The most common side effects are headaches, nausea, hot flashes, and dizziness, but most men do not experience any problems.
As a general rule, the drug should be avoided by men who experience shortness of breath or chest pain when doing light exercise, such as walking up a few flights of stairs.
The UK healthcare system and Pfizer advise against 비아그라 정품 for the following people:
- severe heart or liver patients;
- patients who have recently suffered a stroke;
- men with low blood pressure;
- people with the disease retinitis pigmentosa;
- patients being treated with drugs containing any form of nitric oxide, organic nitrates, or organic nitrites.
It is also recommended to consult a doctor before taking the drug if the person is undergoing medical treatment, or has conditions such as stomach ulcers, hemophilia, leukemia, or sickle cell anemia.
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