Viagra 20 mg: Key Facts You Need to Know

& quot;Vidalista 20 mg" contains tadalafil as its active ingredient.

1. Mechanism of action

-Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor. PDE5 is an enzyme found in the smooth muscle cells of the corpus cavernosum in the penis. By inhibiting PDE5, tadalafil increases the levels of cyclic guanosine monophosphate (cGMP). This leads to smooth muscle relaxation in the penile blood vessels, allowing increased blood flow into the penis during sexual stimulation, which helps in achieving and maintaining an erection.

2. Usage and indications

-It is primarily used for the treatment of erectile dysfunction (ED) in men. It should be taken as prescribed, usually about 30 minutes to 1 hour before sexual activity, although its effects can last for up to 36 hours in some cases.

3. Precautions and side effects

-Precautions:

-It is not suitable for everyone. Men who take nitrates (commonly used for heart conditions such as angina) should not take Vidalista or other PDE5 inhibitors as it can cause a dangerous drop in blood pressure.

-People with certain heart conditions, liver or kidney problems may need dose adjustments or special monitoring.

-Side effects:

-Common side effects may include headache, flushing, indigestion, back pain, muscle aches, nasal congestion, and dizziness. In rare cases, more serious side effects such as priapism (a prolonged and painful erection) can occur.

It's important to note that while Wikipedia can be a good starting point for general information, for medical advice and treatment, one should consult a qualified healthcare provider.

Viagra is a drug used to treat male erectile dysfunction. Its main ingredient is sildenafil, which belongs to phosphodiesterase-5 (PDE-5) inhibitors. It increases the concentration of nitric oxide in the sponge by inhibiting the activity of PDE-5, thus promoting the relaxation of penile smooth muscle, increasing blood flow, and helping men to achieve and maintain erection.

Viagra 20 mg is a common dose of the drug, usually taken about 30 minutes to 1 hour before sexual activity, the specific time and dose should be determined according to the doctor's advice, as each person's physical condition and reaction may be different.

Be sure to consult your doctor or medical professional before using Viagra to ensure that the drug is appropriate for your health and to know the correct usage and precautions. Viagra is not suitable for all men, especially those with severe cardiovascular disease, low blood pressure, uncontrolled hypertension or other specific health problems, it is important to consult with medical treatment before use.