Description

EvPharm Viagra 100 US – 100 mg Sildenafil Citrate Tablets

Product Overview

EvPharm Viagra 100 US is a high-quality oral medication containing Sildenafil Citrate 100 mg per tablet. Each bottle contains 100 film-coated tablets, providing a substantial supply for the treatment of erectile dysfunction (ED). Manufactured by EvPharm and sourced from US domestic supply, this product offers a reliable option for men seeking to restore sexual function and confidence.

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What is Sildenafil Citrate?

Sildenafil Citrate is a phosphodiesterase type 5 (PDE5) inhibitor indicated for the treatment of erectile dysfunction, which is the inability to achieve or maintain a penile erection sufficient for satisfactory sexual performance. The U.S. Food and Drug Administration initially approved sildenafil citrate in 1998 as an oral therapy for erectile dysfunction.

Mechanism of Action

The physiologic mechanism of penile erection involves the release of nitric oxide (NO) in the corpus cavernosum during sexual stimulation. Sildenafil enhances the effect of NO by inhibiting phosphodiesterase type 5 (PDE5), which is responsible for degradation of cyclic guanosine monophosphate (cGMP) in the corpus cavernosum. By protecting cGMP from degradation, sildenafil promotes smooth muscle relaxation and increased blood flow to the penis, facilitating an erection in the presence of sexual stimulation.

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Dosage and Administration

For most patients, the recommended starting dose is 50 mg taken as needed approximately one hour before sexual activity. Based on effectiveness and tolerability, the dose may be increased to a maximum recommended dose of 100 mg or decreased to 25 mg. EvPharm Viagra 100 US provides the maximum recommended strength for patients who require higher dosing.

Important Administration Guidelines

• Sildenafil tablets may be taken anywhere from 30 minutes to 4 hours before sexual activity

• The maximum recommended dosing frequency is once per day

• Taking sildenafil on an empty stomach may result in faster absorption; high-fat meals can delay absorption

• Sexual stimulation is required for sildenafil to produce an erection

Active Half-Life

Sildenafil citrate has an elimination half-life of approximately 3 to 5 hours in healthy individuals. The effects typically last for 4 to 5 hours. The product listing indicates an active half-life of 17.5 hours, which is characteristic of other PDE5 inhibitors such as tadalafil. Users should be aware that sildenafil’s duration of action is typically shorter than that of some other medications in its class.

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Benefits of EvPharm Viagra 100 US

• Clinically proven efficacy in treating erectile dysfunction

• Maximum 100 mg strength for patients who require higher dosing

• US domestic supply ensuring quality and reliability

• Convenient 100-tablet supply for long-term use

• Manufactured by EvPharm, a trusted pharmaceutical manufacturer

• Rapid onset of action with effects lasting up to 4-5 hours

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Warnings and Precautions

Contraindications

Sildenafil citrate is contraindicated in patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form. Co-administration with nitrates can potentiate the hypotensive effects and cause a serious drop in blood pressure.

Patients should not use sildenafil tablets if sexual activity is inadvisable due to cardiovascular status.

Serious Adverse Events

Patients should seek immediate medical attention for:

• Sudden loss of vision in one or both eyes, which may be a sign of non-arteritic anterior ischemic optic neuropathy (NAION)

• Sudden decrease or loss of hearing

• An erection lasting more than 4 hours (priapism), which requires emergency treatment

Drug Interactions

Sildenafil citrate can potentiate the hypotensive effects of nitrates, alpha blockers, and anti-hypertensives. Concomitant use with alpha blockers should be initiated at a 25 mg dose. Use with strong CYP3A inhibitors is not recommended. Patients taking ritonavir should not exceed 25 mg within a 48-hour period.

Common Side Effects

Side effects are more likely at higher doses and may include headache, facial flushing, indigestion, and dizziness. Other potential side effects include nasal congestion, back pain, and visual disturbances.

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Frequently Asked Questions

1. What is EvPharm Viagra 100 US used for?

EvPharm Viagra 100 US contains sildenafil citrate, which is used to treat erectile dysfunction (ED) in adult men. It helps achieve and maintain an erection sufficient for satisfactory sexual activity when combined with sexual stimulation. Sildenafil does not cure ED or increase sexual desire; it works only in the presence of sexual stimulation.

2. How should I take EvPharm Viagra 100 US?

The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. EvPharm Viagra 100 US provides 100 mg tablets, which is the maximum recommended dose. The tablet should be taken orally with water and may be taken anywhere from 30 minutes to 4 hours before sexual activity. Do not exceed one tablet per day.

3. How long does EvPharm Viagra 100 US take to work?

Sildenafil citrate is rapidly absorbed after oral administration, with maximum plasma concentrations reached within 30 to 120 minutes (median 60 minutes) in the fasted state. The medication typically begins working within 30 to 60 minutes, and its effects can last up to 4 to 5 hours.

4. Can I take EvPharm Viagra 100 US with food?

Yes, but taking sildenafil with a high-fat meal may delay its absorption and reduce its effectiveness. For best results, take the tablet on an empty stomach or after a light meal. Avoid consuming grapefruit or grapefruit juice while taking this medication, as it can increase sildenafil levels in the blood.

5. What are the most common side effects of sildenafil citrate?

Common side effects include headache, facial flushing, indigestion, nasal congestion, and dizziness. These effects are generally mild and temporary. If you experience severe side effects or side effects that persist, consult a healthcare professional. Seek immediate medical attention for sudden vision loss, hearing loss, or an erection lasting more than 4 hours.

6. Who should not take EvPharm Viagra 100 US?

Do not take this medication if you are using nitrate medications (such as nitroglycerin) for chest pain or heart conditions. It is also contraindicated if sexual activity is inadvisable due to cardiovascular status. Patients with severe liver or kidney impairment, uncontrolled high blood pressure, or a history of stroke or heart attack should consult a physician before use.

7. Can I take EvPharm Viagra 100 US with alcohol?

Alcohol consumption may impair erectile function and can increase the risk of side effects such as dizziness and low blood pressure. For best results, limit alcohol intake when using this medication. The body takes longer to absorb sildenafil after consuming alcohol.

8. How often can I take EvPharm Viagra 100 US?

The maximum recommended dosing frequency is once per day. Do not take more than one 100 mg tablet in a 24-hour period. The product listing suggests a dosage of up to 3 pills per week, which aligns with the recommended frequency for as-needed use.

9. Is EvPharm Viagra 100 US the same as brand-name Viagra?

EvPharm Viagra 100 US contains the same active ingredient—sildenafil citrate—as brand-name Viagra. The generic formulation provides the same therapeutic effects at a more accessible price point. Sildenafil citrate is the generic equivalent of Viagra and has been FDA-approved since 1998.

10. What should I do if I experience an erection lasting more than 4 hours?

An erection lasting more than 4 hours, known as priapism, is a medical emergency. Seek immediate medical attention to prevent permanent damage to penile tissue. Do not attempt to treat this condition on your own.

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Product Quality and Origin

EvPharm Viagra 100 US is manufactured by EvPharm, a pharmaceutical company committed to producing high-quality medications. The product is sourced from US domestic supply, ensuring adherence to rigorous quality control standards. Each tablet contains sildenafil citrate equivalent to 100 mg of sildenafil.

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EvPharm Viagra 100 US offers a reliable, high-strength solution for men seeking effective treatment for erectile dysfunction. With 100 tablets per bottle, this product provides excellent value and long-term supply.

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References and Reputable Sources

For more information about sildenafil citrate, consult the following authoritative sources:

• FDA Label Information: DailyMed – Sildenafil Citrate Tablets

• Mayo Clinic – Sildenafil (Oral Route): Side effects and dosage information www.mayoclinic.org

• FDA – Viagra Approval Information: www.accessdata.fda.gov

• National Institutes of Health (NIH) : Sildenafil mechanism of action pubmed.ncbi.nlm.nih.gov

• Medicines.org.uk – Viagra 100 mg: www.medicines.org.uk