Sildenafil 30 Tablets

$110.00 $185.00

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Sildenafil

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FAQ

Sildenafil Tablets

✓ Prescription treatment for erectile dysfunction. Sildenafil is the active ingredient in Viagra® and helps improve blood flow to the penis for stronger, more reliable erections. It helps relax blood vessels and improve circulation to the penile tissue, making erections easier to achieve naturally when sexually aroused. It will not cause an erection on its own and only works with stimulation.

Invyncible offers access to sildenafil through telemedicine. Sildenafil is a prescription medication used to treat erectile dysfunction (ED). Treatment is prescribed only after review by a licensed provider and, if approved, is filled and shipped by a licensed pharmacy.

How Sildenafil Works

Sildenafil belongs to a class of medications called PDE5 inhibitors. It increases blood flow to the penis, helping improve the ability to get and maintain an erection during sexual activity.

When to Take Sildenafil

Sildenafil is generally taken as needed before sexual activity. It typically begins working within 30–60 minutes, with effects lasting approximately 4 hours.

Your provider will determine the appropriate dose and instructions based on your health history, other medications and treatment needs.

Your Care Journey

Submit Your Intake – Share your health history and symptoms through our secure online platform.
Provider Consultation – A licensed provider determines whether sildenafil is appropriate for you.
Prescription Approval – If approved, your prescription is coordinated with a licensed pharmacy.
Treatment Delivered – Medication is shipped directly to your door.
Continued Care – Providers remain available for questions and follow-up.

Side Effects

Common: headache, flushing, indigestion, nasal congestion, dizziness, nausea and temporary changes in vision.

Serious: Seek medical attention for an erection lasting longer than 4 hours, sudden vision loss, sudden hearing loss, chest pain or symptoms of a severe allergic reaction.

⚠️ Sildenafil must not be used with nitrate medications such as nitroglycerin because the combination can cause a dangerous drop in blood pressure.

What We Do / Don’t Do

We Do: Provide telemedicine consultations, connect patients with licensed medical providers, coordinate prescriptions with licensed pharmacies and provide continued treatment support.

We Don’t: Manufacture or dispense medications or guarantee that a prescription will be issued.

Important

Sildenafil is a prescription medication and is not appropriate for everyone. Your provider will review your medical history, medications and potential interactions before prescribing treatment.

Invyncible is a telemedicine provider network, not a pharmacy. Prescriptions are filled by licensed pharmacies.

1. How long does sildenafil last?

Sildenafil typically works for about 4 hours, although individual response can vary. This does not mean an erection should last for four hours. If you experience an erection lasting longer than 4 hours, seek immediate medical attention.

2. How long does sildenafil take to work?

Sildenafil is typically taken about 1 hour before sexual activity, although it may be taken between 30 minutes and 4 hours beforehand. Individual response can vary.

3. What is the difference between sildenafil and tadalafil (Cialis®)?

One of the biggest differences is how long they work. Sildenafil typically works for about 4 hours, while tadalafil can remain effective for up to 36 hours.

4. Is sildenafil the same as Viagra®?

Sildenafil is the active ingredient in Viagra®. Viagra® is a brand-name medication, while generic sildenafil contains the same active ingredient without the Viagra® brand name.

5. Can you take sildenafil every day?

Sildenafil for erectile dysfunction is generally taken as needed and should not be taken more than once per day. Your prescribing physician will determine the appropriate dose and frequency for you.

6. Does sildenafil require a prescription?

Yes. Sildenafil is a prescription medication in the United States. With Invyncible, you complete an online medical evaluation and consultation with a licensed physician, who determines whether sildenafil is appropriate for you. If prescribed, your medication is dispensed by a U.S. pharmacy.

7. Does food affect how quickly sildenafil works?

Sildenafil can be taken with or without food. However, taking it after a high-fat meal may delay how quickly it begins working.

8. What strengths does sildenafil come in?

Sildenafil tablets for erectile dysfunction are available in 25 mg, 50 mg, and 100 mg strengths. Your physician will determine the appropriate strength based on your individual needs and medical history.

9. Who should not take Sildenafil?

Sildenafil should not be taken with nitrate medications or riociguat (Adempas®). Sildenafil may also not be appropriate for some people with certain cardiovascular conditions or those who have been advised to avoid sexual activity. Your physician will review your medical history and current medications during your consultation to determine whether treatment is appropriate.

10. Can I drink alcohol while taking sildenafil?

Alcohol can contribute to dizziness or low blood pressure and may also make it more difficult to achieve an erection. Your physician can provide guidance based on your individual health and alcohol use.

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