Sildenafil is used for the treatment of erectile dysfunction, the process of using the drug may cause headache, nausea and other side effects, need to be rationally applied under the guidance of a doctor.
Sildenafil selectively inhibits PDE5, enhances the nitric oxide (NO)-cGMP pathway, and elevates cGMP levels leading to relaxation of penile cavernous smooth muscle, resulting in a natural erectile response to sexual stimulation in patients with erectile dysfunction.
Certain side effects can occur with sildenafil, commonly headache, flushing, dizziness, nasal congestion, dyspepsia, and visual abnormalities. Less common are facial edema, shock, weakness, pain, rash, tachycardia, palpitations (rapid heartbeat, often accompanied by panic), hypotension, postural hypotension.
The drug is contraindicated in women, people who are allergic to the product, children, people whose recent cardiovascular state does not allow them to have sex, and it is also forbidden to combine it with nitrates.
If you use the drug you need to go to the hospital for evaluation, rationally apply the drug under the guidance of a doctor, and if the process of using the drug is not relieved by adverse reactions, you need to go to the hospital in time.