Sildenafil

Sildenafil

Sildenafil tablets are prescription drugs used to treat male erectile dysfunction, which help achieve an erection under sexual stimulation by dilating blood vessels and increasing penile blood flow; Common side effects include headache, facial flushing, and nasal congestion, and there is a fatal risk when used in combination with nitrate drugs.

1、 Main benefits

Treating erectile dysfunction (commonly known as impotence) 1

For erectile difficulties caused by organic or psychological reasons.

Sexual stimulation is required after taking medication to take effect, not "aphrodisiacs". Sexual stimulation will not automatically cause an erection.

Adjuvant treatment for pulmonary arterial hypertension 2

Some countries have been approved to relieve shortness of breath and decreased physical strength by dilating pulmonary blood vessels. In China, it is beyond the instructions and requires evaluation by a doctor

2、 Effective time and efficacy

Generally, it takes about 60 minutes to take effect after taking the medication, and absorption is faster when taken on an empty stomach.

The efficacy can last for about 4 hours, and the effect gradually weakens after 2 hours.

The efficacy increases with dosage, but the side effects are also more pronounced.

3、 Common side effects (mostly transient)

Headache and dizziness have the highest incidence rate.

Facial redness, fever, and hot skin.

Nasal congestion, runny nose, and occasional nosebleeds.

Stomach discomfort, nausea and acid reflux, diarrhea.

Visual abnormalities: Things appear blue, yellow, blurry, and have halos when viewed, usually temporarily recoverable.

Lower back pain, muscle stiffness, and joint discomfort.

4、 Serious side effects (seek medical attention immediately if present)

Continuous erection for more than 4 hours: Failure to treat can cause permanent damage to the penis tissue.

Sudden visual impairment, visual field loss, or monocular blindness.

Sudden tinnitus, ear tightness, and hearing loss.

Chest pain, arrhythmia, severe hypotension, and fainting.

Severe allergies: extensive rash, blisters, and skin peeling.

5、 Absolute taboos and high-risk groups

It is strictly prohibited to use it in combination with nitrate ester drugs (such as nitroglycerin, isosorbide mononitrate, etc.), as it can cause fatal blood pressure drops. one

Taking alpha blockers or antihypertensive drugs together can lead to hypotension, and it is necessary to start with the lowest dose first. two

Individuals with heart attacks, shock, or life-threatening arrhythmias within the past 6 months are prohibited from using it. three

Patients with blood pressure below 90/50 or above 170/110, unstable angina, and heart failure should not use it. four

Use with caution in patients with penile deformities, sickle cell anemia, leukemia, and multiple myeloma.

6、 Special populations and medication reminders

The metabolism of elderly people over 65 years old slows down, and the recommended starting dose is 25mg.

The recommended starting dose for patients with cirrhosis and severe kidney damage is also 25mg.

Not applicable to women and children.

After taking medication, there may be dizziness and visual abnormalities. Before driving or operating a machine, confirm your own reactions.

Erectile dysfunction, commonly known as impotence, is one of the common sexual dysfunctions in men. It refers to the inability of men to obtain or maintain sufficient erection hardness for satisfactory sexual activity. This may lead to reduced sexual satisfaction, decreased self-esteem, and difficulties with sexual life. Erectile dysfunction can be caused by many factors, including psychological factors (such as anxiety, depression, stress), physiological factors (such as vascular problems, chronic diseases, adverse drug reactions), and lifestyle factors (such as unhealthy diet, lack of exercise, and smoking)