FULL PRESCRIBING INFORMATION: CONTENTS*
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.
What to avoid
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 sildenafil products over the counter 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.
Warnings for other groups
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. 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.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Viagra Generic | 150mg | 60 + 4 Pills | 111.25€ 105.95€ | |
| Kamagra Oral Jelly | 100mg | 30 + 5 Sachets | 136.20€ 129.71€ | |
| Kamagra Soft Tabs | 100mg | 12 Pills | 57.55€ 54.81€ | |
| Viagra Generic | 150mg | 10 Pills | 36.73€ 34.98€ | |
| Viagra Generic | 25mg | 270 + 8 Pills | 184.26€ 175.49€ | |
| Viagra Generic | 150mg | 180 + 10 Pills | 236.46€ 225.20€ | |
| Viagra Generic | 200mg | 30 + 2 Pills | 83.07€ 79.11€ | |
| Viagra Generic | 100mg | 90 + 6 Pills | 129.02€ 122.88€ | |
| Kamagra Soft Tabs | 100mg | 60 + 4 Pills | 180.59€ 171.99€ | |
| Viagra Generic | 100mg | 60 + 4 Pills | 96.36€ 91.77€ | |
| Viagra Generic | 100mg | 360 + 10 Pills | 330.21€ 314.49€ | |
| Kamagra Oral Jelly | 100mg | 110 + 9 Sachets | 334.87€ 318.92€ | |
| Viagra Generic | 50mg | 10 Pills | 26.87€ 25.59€ | |
| Kamagra Soft Tabs | 100mg | 84 + 4 Pills | 233.05€ 221.95€ | |
| Viagra Generic | 150mg | 20 Pills | 55.02€ 52.40€ | |
| Kamagra | 100mg | 12 Pills | 55.64€ 52.99€ | |
| Kamagra | 100mg | 60 + 4 Pills | 201.34€ 191.75€ |
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.
8.1 Pregnancy
Sildenafil citrate is a generic drug found in several types of prescription meds. It’s most popularly known as the active ingredient in Viagra® and a treatment for ED, but sildenafil is also sold as Revatio®, a medication marketed for treating pulmonary arterial hypertension. Depending on your health needs, your dosage of Viagra might be 25 milligrams (mg), 50 mg, sildenafil oral jelly 100mg or 100 mg. While sildenafil 20 mg tablets do exist, they’re FDA-approved for pulmonary arterial hypertension, not ED. Keep reading to find out if a sildenafil 20 mg dosage for erectile dysfunction exists, the most common sildenafil dosages, potential side effects, and more.
Sildenafil Oral Film for ED
Most people assume they know what Viagra does — it causes erections, right? While this is true, a few uses of sildenafil extend beyond improving sexual activity. Besides being sold as Viagra, sildenafil is the active ingredient in Revatio. As we mentioned above, this brand-name drug is approved by the U.S. Food and Drug Administration (FDA) for treating pulmonary hypertension, a type of high blood pressure affecting arteries in the lungs and the right side of the heart. Also, while you can mix Viagra with alcohol, it’s a good idea to pace yourself and only have one or two drinks.
8. Use In Specific Populations
Talk to your doctor if you take too much sildenafil and you're worried about any of these side effects: Sildenafil is a vasodilator, which will relax blood vessels and increase blood flow to lungs and other specific organs. To process your order we will require a prescription from you or your Prescriber. We will only compound and dispense upon receipt of a valid patient specific prescription. Please note that our compounds are exclusively provided for individual patient and are not for office use. Your prescriber can mail or fax in the prescription You can mail in the original prescription We can contact your prescriber for you You can transfer your prescription from another pharmacy We have convenient ways to get your prescription to us: Fax to (800) 786-1405 or (844) 922-7379Send electronically (e-prescribe) by: Searching for CareFirst Specialty Pharmacy in Mount Laurel, NJ 08054Using our NCPDP# 3151266Phone into (844) 822-7379 Fax to (800) 786-1405 or (844) 922-7379 Send electronically (e-prescribe) by: Searching for CareFirst Specialty Pharmacy in Mount Laurel, NJ 08054Using our NCPDP# 3151266 Searching for CareFirst Specialty Pharmacy in Mount Laurel, NJ 08054 For more information about our products and services: Please complete the prescriber form onlineEmail us at [email protected] We are a nationally accredited PCAB compounding pharmacy and a .Pharmacy verified website.
Revatio for Oral Suspension
A verified .Pharmacy website designation ensures our patients and prescribing partners that our website is verified and safe. Please contact us if your pet needs a custom strength. Troches and suppositories require refrigeration (ice packs) and will incur an extra charge of $19.95 per order. Be ready for sex whenever you're in the mood When it comes to penises, size isn’t everything. But when it comes to erectile dysfunction (ED) medications, dose size can make a difference. Erectile dysfunction is just one condition sildenafil can help address.
Patient Information
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 sildenafil from canada 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.
Can I take sildenafil every day?
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. The dosage of sildenafil you use will depend on whether you’re taking it for ED, a cardiovascular condition, or for another reason.
- Numerous clinical guidelines mention the use of sildenafil for ED and PAH.
- The American Urological Association (AUA) guidelines include sildenafil as first-line therapy.
- The European Association of Urology (EAU) guidelines provide similar recommendations.
- For PAH, guidelines from the ACCP and ESC/ERS recommend PDE5 inhibitors.
- Sildenafil is often recommended as monotherapy or in combination for PAH.
- Guidelines emphasize the importance of patient assessment and counseling.
- They recommend starting with the lowest effective dose and titrating as needed.
- Guidelines caution against use in patients with cardiovascular instability.
- Regular follow-up is recommended to assess efficacy and adverse effects.
- Treatment should be part of a comprehensive management plan for the condition.
- Guidelines are regularly updated as new evidence emerges from clinical trials.
A 20 mg dose of sildenafil is FDA-approved for pulmonary arterial hypertension.
- The societal impact of sildenafil has been profound since its introduction.
- It helped destigmatize the discussion and treatment of erectile dysfunction.
- It spawned a multi-billion dollar market for sexual health pharmaceuticals.
- The "Viagra" brand name became one of the most recognized in the world.
- It led to increased research and development in urology and sexual medicine.
- It also raised important questions about medicalization and lifestyle drugs.
- Direct-to-consumer advertising for ED treatments became widespread.
- It prompted debates about insurance coverage for quality-of-life medications.
- The success of sildenafil accelerated research into other PDE5 inhibitors.
- It highlighted the importance of serendipity in drug discovery.
- Its impact extends beyond medicine into cultural and social spheres.
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 your provider to figure out. 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.
| Storage Requirement | Temperature Range | Light Exposure | Humidity Control | Notes |
|---|---|---|---|---|
| Room Temperature | 20–25°C (68–77°F) | Keep away from direct sunlight | Keep in a dry place | Keep out of reach of children |
| Avoid Humidity | ≤60% RH | Store in original container | Avoid bathroom storage | Protect from moisture |
| Temperature Fluctuations | Avoid extreme temperatures | - | - | Prevent degradation |
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.
Frequently asked questions for Sildenafil
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.
Alcohol interaction warning
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.