Sildenafil cannot be bought casually in pharmacies and requires a valid prescription.
Sildenafil belongs to the PDE5 inhibitor class of drugs in clinical medicine and is used in the treatment of male erectile dysfunction. Sildenafil selectively inhibits PDE5, enhances the nitric oxide (NO)-cGMP pathway, increases cGMP levels and leads to relaxation of penile cavernous smooth muscle, so that patients with erectile dysfunction have a natural erectile response to sexual stimulation.
Sildenafil is a prescription drug that can be purchased at a pharmacy, but it cannot be purchased casually and requires a valid prescription.
Sildenafil may cause some adverse reactions after taking it, such as dizziness, dizziness, chest tightness, shortness of breath, etc. It is also strictly prohibited to take it with any nitrate drugs to avoid triggering low blood pressure. This drug is contraindicated for women, people who are allergic to this product, children, and people whose recent cardiovascular status makes sexual intercourse inadvisable.
Always consult your doctor before purchasing and use the drug under the doctor’s supervision.