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Sildenafil, an oral phosphodiesterase inhibitor used to treat erectile dysfunction, works by enhancing blood flow to the penile region, thereby facilitating and maintaining erections.
Patients can buy Sildenafil with an included prescription consultation with a doctor.
For Use By
Delivery Method

Can I Buy Sildenafil?

Approved patients can buy Sildenafil with the included prescription consultation. After consulting with the doctor via an online Telewellness visit and being approved, the pharmacy will send the medication directly to your door.

Do we offer Sildenafil as part of a treatment plan?
Erections last up to 1 to 2 hours with most men
Takes 30 to 60 minutes
Take as needed. Use caution if more than once a day.

How Does Sildenafil Work?

Increases Blood Flow into the Penis

Sildenafil prevents the breakdown of cyclic guanosine monophosphate (cGMP) by inhibiting the activity of specific type 5 phosphodiesterases. When cGMP remains at higher levels, the smooth muscle in the penis relaxes. The blood vessels dilate, allowing more blood to flow into the cavernosa of the penis, filling them and causing an erection.

After sexual stimulation, oral ED medications maintain high levels of nitric oxide by inhibiting the enzyme PDE5, which further aids in sustaining the erection. This process not only enhances the quality of an erection but also assists in maintaining it for a sufficient duration to allow for satisfactory sexual activity.

Optimizing the Effects of Sildenafil

Sildenafil typically becomes effective within 30 to 60 minutes of ingestion, with its effects lasting up to four hours. To maximize its efficacy, it is recommended to take the medication on an empty stomach or after a light meal. Fatty foods can delay the onset of its action.

Timing is key – taking ED medications about an hour before anticipated sexual activity allows ample time for the medication to reach its full potential. It’s important to note that sexual stimulation is required for this medication to facilitate an erection; it does not induce an erection without sexual arousal.

Understanding the Risks and Precautions

While sildenafil is generally safe for most men with erectile dysfunction, it’s crucial to be aware of potential side effects and interactions. Common side effects can include headaches, facial flushing, indigestion, and in some cases, changes in vision. Men with certain health conditions, such as severe heart or liver problems, or who are taking medications like nitrates, should avoid taking this medication due to potential serious interactions.

It’s always advisable to consult with a healthcare provider to ensure ED pills is a safe option based on your health and medication history. Regular check-ups and discussions about any experienced side effects or concerns are vital for safe and effective treatment.

Beyond Erection: Comprehensive Benefits

Sildenafil’s role extends beyond just treating erectile dysfunction. It can significantly improve confidence, reduce anxiety related to sexual performance, and enhance overall sexual satisfaction for both the individual and their partner. Studies have shown that effective ED treatment with this medication can improve relationship satisfaction and quality of life.

However, it’s important to approach ED treatment as part of a broader conversation about sexual health, including emotional, psychological, and relational factors. A holistic approach ensures comprehensive care and addresses all aspects of sexual well-being.

Benefits of Sildenafil

This medication is an effective treatment for erectile dysfunction.
  • Sildenafil
    Improves Erectile Function
  • Sildenafil
    Increases Confidence

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Where Do I Start?

Start by Selecting a Treatment Plan

Drug Details


What is Sildenafil used for?

This medication is indicated to treat:
  • Erectile dysfunction
  • Pulmonary arterial hypertension


You should avoid Sildenafil if you are/have:

Contraindications for prescribing or using this medication include:
  • Bleeding disorders
  • Eye or vision problems
  • Peyronie’s disease
  • History of priapism
  • Heart disease
  • History of bleeding problems or blood disease
Sildenafil Side Effects

What are the side effects of Sildenafil?

Common Sildenafil Side Effects
  • Headaches
  • Heartburn
  • Diarrhea
  • Flushing
  • Nosebleeds
  • Insomnia
Rare Sildenafil Side Effects
  • None

Sildenafil Dosage Information

Sildenafil Dosage & Frequency

Typical Sildenafil Dosage & Frequency
  • 100mg
  • Once every 36 hours


  • Viagra: Product Monograph
  • Erectile Dysfunction: Causes, Risk Factors and Management (Human Sexuality (Hardcover))
  • Recommended Dosage
  • Why is this medication prescribed?
  • Overview -
  • Do Food and Dose Timing Affect the Efficacy of Sildenafil? A Randomized Placebo-Controlled Study
  • Impotence NIH Consensus Development Panel on Impotence

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