HEPIUS Viagra(Sildenafil) 100mg CAS:139755-83-2

  ↵

Viagra (Sildenafil) is an oral drug mainly used to treat male erectile dysfunction (ED). The following is a detailed introduction to Viagra (Sildenafil):

1. Basic information

Drug name: Viagra, Chinese name Wan Ai Ke, generic name Sildenafil Citrate Tablets.

Main ingredient: Sildenafil, a phosphodiesterase 5 (PDE5) inhibitor.

Manufacturer: Produced by Pfizer Inc.

2. Drug principle

Viagra (Sildenafil) inhibits the activity of PDE5 enzyme and increases the content of nitric oxide (NO) in the corpus cavernosum of the penis, thereby relaxing smooth muscles, allowing blood to flow into the penis, and causing erection. When sexual stimulation occurs, the drug can help relax blood vessel walls, increase blood flow to the penis, and enable men to achieve stronger and longer-lasting erections.

3. Applicable population and usage and dosage

Applicable population: Viagra (Sildenafil) is mainly suitable for adult men with male erectile dysfunction. For many men, sexual dysfunction can be a problem, and this drug can help improve erectile function, thereby increasing the pleasure of sex and improving sexual performance.

Usage and Dosage: The initial dose is usually 50 mg, taken about 1 hour before sexual activity. The doctor may adjust the dose according to the patient's specific situation. Do not take more than once a day. It should be noted that sexual stimulation is necessary for this drug to work.

4. Drug Effects and Characteristics

Definite Efficacy: Clinical studies and practical application experience of a large number of people have proved that Viagra (Sildenafil) can ensure that men with erectile problems can fully obtain high-quality erections with firm and lasting hardness.

Rapid onset: The drug takes effect within 25-60 minutes, which is just in time for foreplay. Adjusting the time of sexual intercourse to the time of the highest drug concentration helps to obtain a satisfactory sex life.

Safe and Reliable: Viagra (Sildenafil) has been used safely for many years worldwide, proving its long-term and stable safety.

5. Precautions and Side Effects

Precautions:

Viagra (Sildenafil) is a prescription drug and should be used under the guidance of a doctor.

Avoid using it with drugs containing nitrates, as it may cause a drop in blood pressure and endanger life safety.

People with a history of cardiovascular disease, hypertension, etc. should consult a doctor before use.

Common side effects:

Headache, facial flushing, indigestion, etc., but usually mild and not long-lasting.

Less common side effects include temporary visual color changes, increased light sensitivity of the eyes, blurred vision, etc.

Long-term use may cause drug dependence and even permanent impotence.

6. Social significance and impact

The emergence of Viagra (Sildenafil) has brought good news to thousands of ED patients around the world, and has also greatly improved the lives of countless families. It not only helps patients restore normal erectile function, but also improves the quality of their sexual life. In addition, the drug has promoted the development of the field of male sexual dysfunction treatment and contributed to medical progress.

Viagra (Sildenafil) is an oral medication for the treatment of erectile dysfunction (ED). Its specific mechanism of action is as follows:

The physiological mechanism of penile erection involves the release of nitric oxide (NO) in the corpus cavernosum during sexual stimulation. NO activates guanylate cyclase, leading to increased levels of cyclic guanosine monophosphate (cGMP), which relaxes the smooth muscles in the corpus cavernosum and fills the corpus cavernosum with blood. Viagra (Sildenafil) is a highly selective phosphodiesterase 5 (PDE5) inhibitor. PDE5 is highly expressed in the corpus cavernosum, but is lowly expressed in other tissues (including platelets, blood vessels, visceral smooth muscles, and skeletal muscles). Viagra (Sildenafil) selectively inhibits PDE5, enhances the nitric oxide (NO)-cGMP pathway, increases cGMP levels, and relaxes the corpus cavernosum smooth muscles, allowing patients with erectile dysfunction to have a natural erectile response to sexual stimulation. The erectile response generally increases with the increase in Viagra (Sildenafil) dose and plasma concentration.

In short, Viagra (Sildenafil) improves erectile function by inhibiting the action of the PDE5 enzyme, promoting blood flow to the penis. When sexual stimulation occurs, Viagra (Sildenafil) helps relax blood vessel walls, increasing blood flow to the penis, allowing men to achieve stronger and longer-lasting erections.

Please note that Viagra (Sildenafil) is a prescription drug. You need to consult a doctor before use and follow the doctor's instructions to ensure safe and effective treatment of related conditions. At the same time, you should also pay attention to possible side effects, such as headaches, facial flushing, indigestion, etc., and pay attention to them during use. If serious side effects occur, such as persistent chest pain or changes in vision, you need to seek medical attention immediately.

Here is some key information about the dosage and cycle of Viagra (Sildenafil):

1. Dosage

Recommended dose:

For most patients, the recommended initial dose is 50 milligrams (mg), taken about 1 hour before sexual activity. But it can also be taken at any time within 0.5 to 4 hours before sexual activity.

The dose can be adjusted based on the efficacy and patient tolerance. If necessary, the dose can be increased to 100 mg (maximum recommended dose) or reduced to 25 mg.

Dose adjustment for special populations:

Patients over 65 years old, patients with liver damage (such as cirrhosis), patients with severe renal damage, and patients taking potent cytochrome P450 3A4 inhibitors (such as ketoconazole, itraconazole, etc.) at the same time, due to the possible increase in plasma sildenafil levels, the starting dose should be 25 mg.

For patients taking the HIV protease inhibitor Ritonavir, the maximum dose per 48 hours should not exceed 25 mg.

How to take:

Viagra (Sildenafil) is an oral medication and should be taken on an empty stomach, as food may delay its absorption.

Avoid taking it with alcohol or spicy, high-fat foods to avoid affecting the efficacy of the drug.

2. Periodic use

Maximum daily dose:

Take Viagra (Sildenafil) at most once a day.

Precautions for long-term use:

Viagra (Sildenafil) is an exogenous drug. Long-term use may cause drug dependence and even permanent impotence.

Erectile dysfunction may be a precursor to heart disease, diabetes or cancer, and taking the drug may mask the true condition. Therefore, men with cardiovascular disease should use it with caution to avoid inducing heart disease or causing stroke.

3. Other precautions

Expiration period:

Viagra (Sildenafil) is usually valid for 36 months (ie 3 years), but the specific validity period may vary depending on the manufacturer and storage conditions.

It should be used within the validity period. Expired drugs may lose their therapeutic effects and may no longer be safe and effective.

Storage conditions:

Viagra (Sildenafil) should be stored in a cool, dry place away from direct sunlight and humid environments.

Keep the medicine sealed to prevent moisture and air from entering.

Contraindications:

Patients who are allergic to the ingredients in sildenafil (Viagra) are contraindicated.

Patients taking dosage forms of nitrate drugs, whether regularly or intermittently, are contraindicated.

Adverse reactions:

Some patients may experience adverse reactions such as headaches, blurred vision, and hallucinations of seeing blue lights after taking it.

If there are serious adverse reactions or persistent symptoms, seek medical attention immediately.

Viagra (Sildenafil), commonly known as Viagra or Wan Ai Ke, is a drug for treating male erectile dysfunction (ED). Its main ingredient, sildenafil citrate, is a selective inhibitor of phosphodiesterase type 5 (PDE5) specific to cyclic guanosine monophosphate (cGMP), which can relax the smooth muscle of the penis and quickly erect. The following are the main benefits of Viagra (Sildenafil):

Improving erectile function:

Viagra (Sildenafil) helps men achieve and maintain erections under sexual stimulation by increasing blood flow to the corpus cavernosum and corpus cavernosum, thereby improving the quality of sexual life.

It is suitable for erectile dysfunction caused by various causes, such as psychological, neurological or vascular ED.

Improving sexual satisfaction:

Improving erectile function helps to enhance men's self-confidence and satisfaction, thereby improving the harmony of couples' relationships.

For men who suffer from sexual problems due to erectile dysfunction, Viagra (Sildenafil) provides an effective solution.

Definite and long-lasting efficacy:

Clinical studies and practical application experience have proven that Viagra (Sildenafil) has a definite efficacy and can ensure that men with erectile problems can fully obtain high-quality erections.

The drug has a long-lasting effect, usually taking effect within 25-60 minutes after taking the drug, and can last for 4-8 hours, which meets the sexual behavior habits of most men.

High safety:

Viagra (Sildenafil) has been used safely for many years worldwide, proving its long-term and stable safety.

However, it should be noted that for some people, the use of Viagra (Sildenafil) may be risky, such as patients with cardiovascular disease, patients who are taking nitrate-containing drugs, etc. Therefore, it is best to consult a doctor before use to understand whether the drug is suitable for you.

Although Viagra (Sildenafil) has many of the above benefits, it may also cause some side effects, such as headaches, facial flushing, indigestion, nasal congestion, blurred vision, and lowered blood pressure. Therefore, when using it, you should follow the doctor's instructions to ensure the safety of the drug. At the same time, in addition to drug treatment, comprehensive treatment methods such as psychological intervention and lifestyle adjustment should also be considered for the treatment of erectile dysfunction.

WhatsApp/Telegram:+852 6749 2648

Gmail:lucasraws207@gmail.com

Skype：live:.cid.8f21dc7fc6621ba7

Hot Tags: hepius viagra(sildenafil) 100mg cas:139755-83-2, China hepius viagra(sildenafil) 100mg cas:139755-83-2 manufacturers, suppliers, factory, Viagra CAS 139755 83 2, T3 CAS 6893 02 3, Letrozole CAS 112809 51 5, Methyltrienolone CAS 965 93 5, steroid finished tablets, Methyltest CAS 879190 14 4