17 PATIENT COUNSELING INFORMATION
Dr.
- This dose is often used as a starting point before increasing if needed.
- Combining with high-fat meals may slow absorption.
- Avoid grapefruit juice, as it can affect sildenafil metabolism.
Kelly Brown is a board certified Urologist and fellowship trained in Andrology.
What other drugs will affect sildenafil?
For ED, the typical starting sildenafil dosage is 50 mg. Though it can be increased or decreased as needed, licensed prescribers usually start patients on a 50 mg tablet. If the side effects of sildenafil are putting you off, or if it’s just not working as well as you’d hoped, you may want to look into tadalafil (Cialis), Stendra (avanafil), or our chewable ED hard mints. Our guide on how to take sildenafil for erectile dysfunction covers some need-to-know information about Viagra, but it’s no replacement for speaking with a licensed healthcare professional. If you’re concerned about your sildenafil dosage or experiencing uncomfortable side effects, you should seek medical advice from a healthcare professional. She is an accomplished men’s health expert with a robust background in healthcare innovation, clinical medicine, and academic research.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Polo | 100mg | 180 + 8 Pills | 446.52€ 425.26€ | |
| Kamagra Soft Tabs | 100mg | 20 Pills | 79.79€ 75.99€ | |
| Viagra Generic | 150mg | 360 + 10 Pills | 423.48€ 403.31€ | |
| Viagra Generic | 25mg | 270 + 8 Pills | 184.26€ 175.49€ | |
| Viagra Generic | 200mg | 60 + 4 Pills | 125.19€ 119.23€ | |
| Viagra Generic | 25mg | 30 + 4 Pills | 47.97€ 45.69€ | |
| Kamagra Soft Tabs | 100mg | 180 + 8 Pills | 425.45€ 405.19€ | |
| Kamagra | 100mg | 84 + 6 Pills | 264.44€ 251.85€ | |
| Kamagra | 100mg | 20 Pills | 86.09€ 81.99€ | |
| Kamagra Soft Tabs | 100mg | 60 + 4 Pills | 180.59€ 171.99€ | |
| Viagra Generic | 50mg | 60 + 4 Pills | 83.93€ 79.93€ | |
| Viagra Generic | 50mg | 90 + 6 Pills | 107.37€ 102.26€ | |
| Viagra Generic | 25mg | 360 + 10 Pills | 213.68€ 203.50€ |
Dr. Brown was previously Medical Director of a male fertility startup where she lead strategy and design of their digital health platform, an innovative education and telehealth model for delivering expert male fertility care. She completed her undergraduate studies at University of North Carolina at Chapel Hill (go Heels!) with a Bachelor of Science in Radiologic Science and a Minor in Chemistry.
- Sildenafil 12.5 mg is a lower dose used for mild erectile dysfunction.
- It helps relax blood vessels to increase blood flow.
- Often prescribed when starting treatment or for lighter symptoms.
She took a position at University of California Los Angeles as a radiologic technologist in the department of Interventional Cardiology, further solidifying her passion for medicine.
6.2 Postmarketing Experience
If you experience priapism (a prolonged, painful erection) or any other serious adverse effects — like shortness of breath, irregular heartbeat, or loss of vision — seek emergency medical attention. Sildenafil might also be dangerous for people with a history of certain medical conditions, including: Allergic reactions to Viagra or any PDE5 inhibitor Allergic reactions to Viagra or any PDE5 inhibitor Blood problems like hemophilia, leukemia, or sickle cell anemia Blood problems like hemophilia, leukemia, or sickle cell anemia Conditions affecting penis shape, like Peyronie’s disease or a curved penis Conditions affecting penis shape, like Peyronie’s disease or a curved penis Eye problems, such as retinitis pigmentosa, vision loss, or NAION (non-arteritic anterior ischemic optic neuropathy) Eye problems, such as retinitis pigmentosa, vision loss, or NAION (non-arteritic anterior ischemic optic neuropathy) Heart problems (e.g., having had a heart attack or stroke) Heart problems (e.g., having had a heart attack or stroke) There are a few sildenafil drug interactions you need to look out for, too. An interaction is when one drug, like sildenafil, causes a negative reaction when mixed with another medication, supplement, or substance. Other PDE5 inhibitors, including erectile dysfunction medications like tadalafil (Cialis), avanafil (Stendra®), or vardenafil (Levitra or Staxyn®) Other PDE5 inhibitors, including erectile dysfunction medications like tadalafil (Cialis), avanafil (Stendra®), or vardenafil (Levitra or Staxyn®) Nitrates for angina (chest pain), such as nitroglycerin (Nitrostat® or NitroMist®), isosorbide mononitrate, and isosorbide dinitrate (Isordil®) Nitrates for angina (chest pain), such as nitroglycerin (Nitrostat® or NitroMist®), isosorbide mononitrate, and isosorbide dinitrate (Isordil®) Sildenafil may also have minor interactions with the following substances: Certain antifungal drugs, such as ketoconazole and itraconazole Certain antifungal drugs, such as ketoconazole and itraconazole Some antibiotics, like erythromycin and clarithromycin (Biaxin®) Some antibiotics, like erythromycin and clarithromycin (Biaxin®) HIV protease inhibitors, like saquinavir mesylate (Invirase®) and ritonavir (Norvir®) HIV protease inhibitors, like saquinavir mesylate (Invirase®) and ritonavir (Norvir®) If you’ve been prescribed any of the above medications, it’s a good idea to ask a healthcare professional whether you can safely take them with sildenafil. Also, while you can mix Viagra with alcohol, it’s a good idea to pace yourself and only have one or two drinks.
What happens if I take too much sildenafil?
Erectile dysfunction is just one condition sildenafil can help address. The dosage of sildenafil you use will depend on whether you’re taking it for ED, a cardiovascular condition, or for another reason. A 20 mg dose of sildenafil is FDA-approved for pulmonary arterial hypertension. That said, it is sometimes prescribed off-label (at the 20 mg dose and at multiples of 20 mg, including 40 mg, 60 mg, 80 mg, and 100 mg) for ED. If you’re wondering How many 20 mg sildenafil should I take for ED?, that’s for you and 50 mg sildenafil price your provider to figure out. She also pursued the unique opportunity to lead departmental design and operational development at the Ronald Reagan UCLA Medical Center, sparking her passion for the business of healthcare.
More about sildenafil
Currently, 100 mg sildenafil is the highest dosage approved by the FDA. Revatio is available in 20 mg tablets. There’s no one-size-fits-all solution when it comes to the ideal sildenafil dosage. Your dosage will depend on your health needs and the reason you’re taking the medication. You might assume a higher dosage of sildenafil leads to a firmer erection or better sex, but this isn’t always the case.
Patient resources
In fact, taking too much sildenafil can lead to some serious side effects, like a sudden decrease in blood pressure. It’s best to stick with your prescribed dosage and follow the patient information leaflet your healthcare provider gives you. If you find that a particular dose isn’t working as well as you had hoped, make another appointment with your provider and ask if you can revisit your dosage or explore other treatment options. To get the best results from Viagra, it’s important to take the right dosage. As mentioned, 20 mg sildenafil is FDA-approved for pulmonary arterial hypertension, not erectile dysfunction. Dr.
Possible Alternatives to Sildenafil
You can even start today by booking an online appointment with a healthcare practitioner through our telehealth platform. Long-term safety and effectiveness of sildenafil citrate in men with erectile dysfunction. Hims & Hers has strict sourcing guidelines to ensure our content is accurate and current. We rely on peer-reviewed studies, academic research institutions, and medical associations. We strive to use primary sources and refrain from using tertiary references. Brown then went on to obtain her doctorate in medicine from the prestigious Northwestern University - Feinberg School of Medicine and Masters in Business Administration from Northwestern University - Kellogg School of Management, with a concentration in Healthcare Management.
| Study Name | Sample Size | Success Rate | Main Findings |
|---|---|---|---|
| Randomized Trial A | 200 | 70% | Significant improvement in erectile function |
| Clinical Study B | 150 | 65% | Efficacy maintained at 12.5 mg dose |
| Comparative Study C | 100 | 75% | Similar results to higher doses but fewer side effects |
During her surgical residency in Urology at University of California San Francisco, she utilized her research year to focus on innovations in telemedicine and then served as chief resident with significant contributions to clinical quality improvement. Dr.
13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility
Revatio can prevent this condition from worsening. Sildenafil may also be used off-label to treat: Raynaud phenomenon (narrowing blood vessels in extremities such as fingers and toes) Raynaud phenomenon (narrowing blood vessels in extremities such as fingers and toes) Sildenafil has a variety of uses because it’s a phosphodiesterase type 5 (PDE5) inhibitor. PDE5 inhibitors are medications that improve blood flow to certain tissues by widening the blood vessels. They’re best known for increasing blood flow to the penis, allowing for erections upon sexual stimulation. At the moment, 20 mg Viagra does not exist — but you can get Revatio in a 20 mg tablet, and it can be prescribed off-label for ED.
Sildenafil side effects
In the same way that you can get generic Viagra as a 25 mg sildenafil tablet, you can also get generic Revatio as a 20 mg sildenafil tablet. It may be marked as a c89 pill or described as generic Viagra because these drugs both contain sildenafil. The only chemical difference is the dosage. If you’re taking a 20 mg generic Viagra white pill, chances are you’re actually taking generic Revatio. Viagra is available in dosages of 25 mg, 50 mg, and 100 mg. Brown then completed her Andrology Fellowship at Medical College of Wisconsin, furthering her expertise in male fertility, microsurgery, and sexual function.
Supplementary information
If you take a 20 mg dose of sildenafil, it might improve your erections, but it might not. Although Viagra can come in as small a dose as 25 mg, the 50 mg tablets are usually the starting dosage. If you experience uncomfortable side effects, your dosage could decrease to 25 mg. Patients older than 65 and those with kidney or liver problems may start on a 25 mg dose. Viagra is considered an effective treatment for erectile dysfunction, but its efficacy depends on the dosage.
How sildenafil is used
In clinical trials, 63 percent of participants who took 25 mg sildenafil reported an improvement in their erections, compared to 74 percent of those who took 50 mg and 82 percent of those who took 100 mg. With that said, other erectile dysfunction treatments — like tadalafil (Cialis®) and vardenafil (Levitra®) — are available in a 20 mg dosage, but these are different medications, so their dosages aren’t directly comparable to sildenafil. Whether you’re experiencing poor erectile function or have a cardiovascular condition, sildenafil can drastically improve your symptoms. The medication is generally safe, and research suggests it won’t cause any long-term health issues. But that doesn’t mean it’s completely without risks or side effects. Her dedication to caring for patients with compassion, understanding, as well as a unique ability to make guys instantly comfortable discussing anything from sex to sperm makes her a renowned clinician.
- Sildenafil 12.5 mg should be taken 30-60 minutes before sexual activity.
- It is usually effective for up to 4-6 hours.
- Does not cause an automatic erection; stimulation is needed.
In addition, her passion for innovation in healthcare combined with her business acumen makes her a formidable leader in the field of men’s health. Dr. Brown is an avid adventurer; summiting Mount Kilimanjaro in Tanzania (twice!) and hiking the incredible Torres del Paine Trek in Patagonia, Chile. She deeply appreciates new challenges and diverse cultures on her travels.
