Viamax

Viamax Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? Viamax is a brand name. Its generic name is Sildenafil.

Viamax Introduction

Viamax is an oral medication used to treat erectile dysfunction, pulmonary arterial hypertension (PAH), and benign prostatic hyperplasia (BPH). It belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors and works by increasing blood flow to the penis to help a man maintain an erection.

Uses

Viamax is primarily used to treat erectile dysfunction, it may also be used to treat PAH and BPH.

Mechanism of Action

Viamax works by inhibiting the enzyme Phosphodiesterase 5 (PDE5). Inhibition of PDE5 increases levels of cGMP in the smooth muscle cells, which increases the amount of blood that can flow to the penis, leading to an erection.

How Long Does It Take to Work?

Viamax typically begins to take effect within 30-60 minutes and can last up to 4 hours. It is important to note that an erection will not occur just by taking a pill; sexual stimulation is necessary.

Absorption

Viamax is well absorbed following oral administration; maximum plasma levels generally reached within 1 hour.

Route of Elimination

Viamax is metabolized in the liver by cytochrome P450 3A4 (CYP3A4). It is then eliminated primarily by the kidneys.

Dosage

  • Erectile Dysfunction: The recommended dose is 50mg taken as needed approximately 1 hour before sexual activity. Dose may be increased to 100 mg or decreased to 25 mg based on individual efficacy and tolerability.
  • PAH: The recommended dose is 20mg taken 3 times daily. Dose may be increased up to 100mg, based on individual efficacy and tolerability.
  • BPH: The recommended dose is 5mg taken once daily.

Administration

Viamax should be taken orally with a glass of water.

Side Effect

The most commonly reported side effects are headache, facial flushing, indigestion, nasal congestion, and dizziness.

Toxicity

Viamax has a low potential for toxicity. Overdoses of greater than 2000mg can be associated with severe adverse effects and should be managed with supportive care as needed.

Precaution

Patients with heart conditions such as angina (chest pain) or cardiac arrhythmias should use with caution as it may increase the risk of heart attack or stroke. Patients with known hypersensitivity to Viamax or any of its components should not take the medication.

Interactions

Viamax may interact with other medications such as nitrates, alpha blockers, antifungals, and azole antacids. It is important to speak to your doctor before taking sildenafil to ensure there are no potential drug interactions.

Disease Interaction

Viamax can interact with certain diseases such as liver or kidney disease, sickle-cell anemia, and priapism. It is important to discuss any existing health conditions with your doctor prior to taking sildenafil.

Drug Interactions

Viamax can interact with certain drugs such as aspirin, ibuprofen and blood thinners. It is important to talk to your doctor before taking sildenafil to ensure there are no potentially significant drug interactions.

Food Interactions

Viamax should be taken empty stomach or at least an hour before meals. It should not be taken with meals as it may reduce the effectiveness of the medication.

Pregnancy Use

Viamax should not be used by pregnant women due to the potential risks to the fetus.

Lactation Use

Viamax should not be used by nursing mothers due to the potential risk to the infant.

Acute Overdose

Patients who overdose should be managed with supportive care. Common symptoms of overdose include flushing, dizziness, nausea, and hypotension.

Contraindication

Viamax is contraindicated for patients with any kind of peptic ulcer, bleeding disorders, and hypersensitivity to any of the components of the medication.

Use Direction

Viamax should be taken as directed by your doctor. Do not take more or less than what is prescribed. Do not share your medication with others.

Storage Condition

Viamax should be stored away from heat, light, and moisture in a place that is inaccessible to children.

Volume of Distribution

The volume of distribution of sildenafil is approximately 105 L.

Half Life

The half life of sildenafil is 3-5 hours.

Clearance

The clearance of sildenafil is approximately 41 L/hr.

Here you find in details version of Viamax

Some Frequently Asked Questions About Viamax

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What is Viamax?

Viamax is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. It works by increasing blood flow to the penis to produce an erection.

How long does sildenafil last?

Viamax typically lasts up to 4 hours. Some people may experience effects for a longer period of time.

Is sildenafil safe?

Yes, sildenafil is safe when taken as directed by your doctor. However, it is important to follow the instructions of your doctor or pharmacist carefully to avoid potential side effects.

Does sildenafil work for everyone?

No, sildenafil does not work for everyone. It is only effective for some people. Additionally, some people may find that the effects of sildenafil are stronger or weaker than others.

Can sildenafil cause an erection?

No, sildenafil does not cause an erection. It increases blood flow to the penis, which may allow an erection to occur when stimulating. However, it does not guarantee an erection.

Is sildenafil available over the counter?

No, sildenafil is not available over the counter. In order to obtain a prescription for sildenafil, you will need to see a doctor.

How much sildenafil should I take?

The amount of sildenafil you should take depends on various factors, such as your age and the condition being treated. It is important to follow the instructions of your doctor when taking sildenafil.

What are the side effects of sildenafil?

The most common side effects of sildenafil include headache, stomach upset, flushing, and vision changes. Less common side effects include dizziness, vision loss, and hearing loss.

Does sildenafil interact with any other medications?

Yes, sildenafil can interact with certain medications. It is important to tell your doctor about all medications you are taking before taking sildenafil.

How should sildenafil be taken?

Viamax should be taken as directed by your doctor. Do not take more or less sildenafil than prescribed. Additionally, sildenafil should be taken with a full glass of water and should be taken 1 hour prior to engaging in sexual activity.

What if I miss a dose of sildenafil?

If you miss a dose of sildenafil, take it as soon as you remember. If it is close to the time for your next dose, do not double the dose. Instead, take your usual dose at the next scheduled time.

Are there any other uses for sildenafil?

Yes, sildenafil is also used to treat pulmonary arterial hypertension. It works by relaxing the blood vessels in the lungs, allowing them to function more efficiently.

Does sildenafil have any long-term side effects?

Long-term side effects of sildenafil are not known. It is important to consult your doctor if you experience any prolonged or unusual side effects.

Can sildenafil be taken with alcohol?

No, you should not take sildenafil with alcohol. Alcohol can increase the side effects of sildenafil and decrease its effectiveness.

Can sildenafil be used by women?

No, sildenafil is only approved for use in men. Women should not take sildenafil.

Should sildenafil be taken with food?

No, sildenafil should not be taken with food. It should be taken on an empty stomach.

Are there any risks of taking sildenafil?

Yes, there are risks associated with taking sildenafil. Potential risks include increased heart rate and low blood pressure. It is important to consult your doctor before taking sildenafil in order to reduce these risks.

Is there a generic version of sildenafil?

Yes, there is a generic version of sildenafil available. It is called sildenafil citrate and is a more affordable option than the brand-name version.

Is sildenafil covered by insurance?

It depends on your insurance plan. Some insurance plans may cover sildenafil, while others may not. It is important to check with your insurance provider to determine whether sildenafil is covered.

What if sildenafil is not working for me?

If sildenafil is not working for you, you should talk to your doctor. Your doctor may suggest an alternative medication or recommend lifestyle changes that may help improve your symptoms.

Can I take sildenafil and Viagra together?

No, you should not take sildenafil and Viagra together. Both medications are in the same class and can cause serious side effects if taken together.

How can I buy sildenafil?

Viamax is available with a prescription from your doctor. Some online pharmacies also offer sildenafil, however it is important to purchase from a reputable source.

Can sildenafil be used to treat premature ejaculation?

No, sildenafil should not be used to treat premature ejaculation. It is only approved for use in men with erectile dysfunction or pulmonary arterial hypertension.

Are there any other medications like sildenafil?

Yes, there are other medications like sildenafil. Examples include tadalafil and vardenafil. These medications work in the same way as sildenafil, but may have different side effects or efficacy.

How long does it take for sildenafil to start working?

Viamax typically starts to work within 30 minutes to 1 hour after it is taken. However, the effects may take longer to be felt depending on individual factors.

What should I do if I experience an allergic reaction after taking sildenafil?

If you experience an allergic reaction after taking sildenafil, stop taking the medication and seek emergency medical attention. Symptoms of an allergic reaction may include difficulty breathing, swelling of the face or throat, or hives.

What should I do if I experience chest pain or a prolonged erection after taking sildenafil?

If you experience chest pain or a prolonged erection after taking sildenafil, stop taking the medication and seek emergency medical attention. These symptoms may be signs of a serious medical condition.

What should I do if I experience sudden vision loss after taking sildenafil?

If you experience sudden vision loss after taking sildenafil, stop taking the medication and seek emergency medical attention. This may be a sign of a serious side effect.

What age can I take sildenafil?

Viamax is approved for use in adults aged 18 and over. It should not be taken by children or adolescents.

Is sildenafil available in the UK?

Yes, sildenafil is available in the UK. It is available with a prescription from your doctor.

Are there any precautions I should take when taking sildenafil?

Yes, there are precautions you should take when taking sildenafil. Do not take sildenafil with alcohol or certain drugs, as it can increase the risk of serious side effects. Additionally, sildenafil should not be taken by pregnant women or people with certain medical conditions.

What is the difference between Viagra and sildenafil?

Viagra and sildenafil are both brand-name medications containing the active ingredient sildenafil citrate. Viagra is more expensive than sildenafil, but both medications are effective for treating erectile dysfunction.

Will sildenafil lower my blood pressure?

No, sildenafil will not lower your blood pressure. It is used to treat pulmonary arterial hypertension, which is a different type of high blood pressure.

Can sildenafil be split in half?

Yes, sildenafil can be split in half. It is important to use a pill splitter to ensure that the dose of sildenafil remains the same throughout.

Is sildenafil available in generic form?

Yes, sildenafil is available in generic form. It is called sildenafil citrate and can be more affordable than the brand-name version.

Is sildenafil suitable for people with diabetes?

Yes, sildenafil can be used safely by people with diabetes. However, it is important to consult your doctor to make sure it is the right medication for you.

Is there a difference between sildenafil and sildenafil citrate?

Yes, there is a difference between sildenafil and sildenafil citrate. Viamax is the brand-name version of sildenafil while sildenafil citrate is the generic version.

Is sildenafil suitable for people with heart conditions?

No, sildenafil is not suitable for people with heart conditions. It can increase the risk of serious side effects, such as changes in heart rhythm or sudden death.

Can I take sildenafil if I have kidney disease?

No, you should not take sildenafil if you have kidney disease. Viamax can increase kidney damage or lead to serious side effects.