Learn how sildenafil treats ED, how to take it properly, potential side effects, and how to order it discreetly online via GoRocky.
Key Takeaways
Sildenafil is a prescription medicine used to treat erectile dysfunction (ED) in men. It works by increasing blood flow to the penis, helping you achieve and maintain an erection during sexual activity.
In this guide, you'll learn how sildenafil works, how to take it correctly, what side effects to watch for, and how to order it online through GoRocky with full discretion and doctor support.
Sildenafil helps treat erectile dysfunction by improving blood flow to the penis. It blocks an enzyme (PDE5) that normally restricts circulation, allowing the blood vessels to relax and open up when you're sexually aroused.1
Sildenafil is not an instant switch—it only works if you’re sexually stimulated. But with sildenafil supporting your blood flow, it becomes easier to get and sustain an erection.
It’s designed to support your natural response, giving you more confidence and control when the moment happens.
Sildenafil is taken as needed before sex. Follow these instructions for safe and effective use:
Your doctor may adjust your dose to 50 mg or 100 mg, depending on how your body responds.
Sildenafil is intended for adult men experiencing erectile dysfunction. It may be right for you if:
Sildenafil is not recommended for:
Always consult your doctor before starting treatment, especially if you have other health concerns or medications.
Sildenafil is generally well tolerated when used as directed. Possible side effects include:
Most side effects are mild and temporary. If symptoms persist or feel concerning, stop taking the medication and seek medical advice.
Sildenafil may interact with certain medications. Avoid using it with:
Tell your doctor about all the medications or supplements you’re currently taking before starting sildenafil.
GoRocky makes it easy to start your ED treatment—with no clinic visits or awkward conversations.
Just answer a short online health assessment and a licensed doctor will review your answers.
If approved, your sildenafil will be shipped directly to your home in discreet packaging.
You get the same clinically-approved treatment, plus free consults and follow-ups from our care team.
It’s fast, private, and backed by medical professionals.
Start your ED treatment today.
The typical starting dose for most men is 50 mg taken before sexual activity. Depending on how your body responds, your doctor may adjust the dose to 25 mg or 100 mg.
Never change your dose without medical guidance.
Sildenafil should be taken only once within a 24-hour period. It’s not meant for daily use—take it only when needed, about 30 minutes to 1 hour before sex.
Common side effects include headache, facial flushing, nasal congestion, and dizziness, indigestion. These effects are usually temporary and go away on their own.
*The information provided on this platform is intended for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
[1] Sildenafil. MedlinePlus. National Library of Medicine. Updated August 15, 2023. Accessed May 14, 2025. https://medlineplus.gov/druginfo/meds/a699015.html.
[2] Who can and cannot take sildenafil. NHS. Updated March 2, 2022. Accessed May 14, 2025. https://www.nhs.uk/medicines/sildenafil-viagra/who-can-and-cannot-take-sildenafil.
[3] 6 sildenafil (Viagra) interactions you should know about. GoodRx. Ulrich A. Updated June 3, 2024. Accessed May 14, 2025. https://www.goodrx.com/sildenafil/interactions.