16 HOW SUPPLIED/STORAGE AND HANDLING
Here’s what to remember when taking sildenafil for ED: Take it at least 30 to 60 minutes and no more than four hours before sexual stimulation.
- The active ingredient, sildenafil citrate, is a white to off-white powder.
- It has a molecular weight of approximately 473.6 g/mol.
- The medication is synthesized through complex chemical processes.
- Pharmaceutical quality control ensures batch consistency.
Also, avoid high-fat foods or meals that can slow absorption.
| Brand Name | Manufacturer | Dosage Forms | Price Range (USD) | Available Regions |
|---|---|---|---|---|
| Viagra | Pfizer | 25, 50, 100 mg | 30-50 per tablet | Worldwide |
| Revatio | Pfizer | 20 mg tablets | 40+ per tablet | Mainly for pulmonary hypertension |
| Kamagra | Ajanta Pharma | 50, 100 mg | 0.5-2 per tablet | Asia, Middle East |
| Generic Sildenafil | Multiple manufacturers | 25, 50, 100 mg | 0.3-3 per tablet | Global |
Take it at least 30 to 60 minutes and no more than four hours before sexual stimulation. Don’t mix sildenafil with medications that can cause dangerous interactions.
| Side Effect | Frequency (%) | Severity | Notes |
|---|---|---|---|
| Headache | 16 | Mild to moderate | Most common |
| Flushing | 10 | Mild | Warmth and redness |
| Dyspepsia | 7 | Mild | Indigestion |
| Nasal congestion | 4 | Mild | Sometimes reported |
| Visual disturbances | 3 | Mild and transient | Blue tint to vision |
Unsure whether your meds are safe to combine with sildenafil?
- Sildenafil was originally developed for hypertension and angina.
- It was repurposed for erectile dysfunction after unintended effects were observed.
- The medication is marketed under various brand names like Viagra.
- Generic sildenafil citrate became available after patent expiration.
Regular exercise, a balanced diet, and quality sleep can maximize your overall health and sexual well-being.
Dosages of Sildenafil
Manage and view all your plans together – even plans in different states. Compare formulary status to other drugs in the same class. Access your plan list on any device – mobile or desktop. If your healthcare provider just prescribed sildenafil citrate (generic Viagra®) to treat your erectile dysfunction (ED) symptoms, you’re probably excited to get your mojo back. But it’s also understandable if your head is swimming with questions.
What is Sildenafil Citrate used for?
Like other PDE5 inhibitors, or phosphodiesterase type 5 inhibitors, sildenafil is a safe treatment for ED, if used as directed. It’s been Food and Drug Administration (FDA)-approved for this use since 1998, after all. In an effort to provide some answers to your lingering questions, this guide will explain how to take sildenafil for the best results, a typical starting dosage, and potential side effects to consider. But remember that you should always follow your provider’s instructions for taking sildenafil—or any medication, for that matter. Sildenafil belongs to a class of drugs known as PDE5 inhibitors. Consider alternative treatments if sildenafil doesn’t work for you.
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Tmax | 30-120 | minutes | Time to peak plasma concentration |
| Half-life | 3-5 | hours | Time for plasma concentration to halve |
| Bioavailability | ~40 | % | Amount absorbed unchanged |
| Protein Binding | 96 | % | Extent bound to plasma proteins |
Other oral erectile dysfunction medications include tadalafil (generic for Cialis), avanafil (Stendra), vardenafil, and chewable Hard Mints.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Soft Tabs | 100mg | 32 Pills | 120.11€ 114.39€ | |
| Kamagra Soft Tabs | 100mg | 120 + 6 Pills | 311.78€ 296.93€ | |
| Kamagra Oral Jelly | 100mg | 30 + 5 Sachets | 136.20€ 129.71€ | |
| Viagra Generic | 50mg | 60 + 4 Pills | 83.93€ 79.93€ | |
| Viagra Generic | 100mg | 30 + 4 Pills | 60.91€ 58.01€ | |
| Kamagra | 100mg | 32 Pills | 121.24€ 115.47€ | |
| Kamagra Polo | 100mg | 32 Pills | 125.88€ 119.89€ | |
| Viagra Generic | 50mg | 270 + 8 Pills | 198.48€ 189.03€ | |
| Kamagra Polo | 100mg | 180 + 8 Pills | 446.52€ 425.26€ | |
| Viagra Generic | 50mg | 360 + 10 Pills | 225.33€ 214.60€ | |
| Kamagra Polo | 100mg | 272 + 12 Pills | 622.94€ 593.28€ | |
| Viagra Generic | 150mg | 60 + 4 Pills | 111.25€ 105.95€ | |
| Viagra Generic | 200mg | 360 + 10 Pills | 481.98€ 459.03€ | |
| Kamagra Soft Tabs | 100mg | 20 Pills | 79.79€ 75.99€ | |
| Viagra Generic | 150mg | 90 + 6 Pills | 147.18€ 140.17€ |
Your healthcare provider might also recommend adjusting your sildenafil dosage.
See also:
But sildenafil also comes with some more rare but potentially serious side effects like: Sudden loss of vision (potentially a sign of non-arteritic anterior ischemic optic neuropathy or NAION) Sudden loss of vision (potentially a sign of non-arteritic anterior ischemic optic neuropathy or NAION) Priapism (a painful erection lasting longer than four hours) Priapism (a painful erection lasting longer than four hours) If you experience any of these symptoms after taking sildenafil, seek immediate medical attention. And FYI: Even mild side effects can impact your life. If you get an upset stomach every time you take sildenafil, talk with a healthcare professional. They may recommend changing your dose or switching medications altogether. Read more about potential sildenafil reactions in our sildenafil side effects guide.
Can I take Sildenafil Citrate for premature ejaculation?
It might be dangerous to use sildenafil if you have certain medical conditions or take specific drugs. If your healthcare provider told you not to engage in sexual activity because of a heart condition (like a history of heart attack; heart disease; heart failure; angina; or arrhythmia, also known as an irregular heartbeat), it’s probably best to abstain from having sex and taking sildenafil. Using sildenafil when you take medicines for high blood pressure or pulmonary arterial hypertension could cause a dangerous, potentially life-threatening dip in blood pressure. Avoid taking sildenafil with nitrates (medications for chest pain) such as isosorbide dinitrate, isosorbide mononitrate, nitroglycerin, and alpha-blockers or other blood pressure medications like riociguat. If you have a condition that puts you at higher risk of priapism—like sickle cell anemia, leukemia, Peyronie’s disease, or multiple myeloma—you should avoid sildenafil. Ready to find an erectile dysfunction treatment that works for you?
How to Take Sildenafil Correctly for Erectile Dysfunction
And, as is the case with taking any medication, following a professional’s medical advice is crucial. Unlike some other ED meds, you don’t take sildenafil every day. Sildenafil is an as-needed medication that should be taken at least about 30 minutes to an hour before sexual activity, and its effects should last up to four hours. You should never take more than one dose per day. You may be prescribed sildenafil or Viagra if you struggle with the following symptoms: Getting erections that aren't as firm as you'd like them to be Getting erections that aren't as firm as you'd like them to be Some medications can upset your stomach if you don’t take them with food.
How should Sildenafil Citrate Tablets be stored?
You can take this ED medication with or without food. However, high-fat meals can impact the absorption of sildenafil, leading to lower peak plasma levels of the medication, which can translate to lower efficacy. Grapefruit juice can also interfere with how the body processes sildenafil, leading to more side effects. So, if you’re a half-grapefruit in the a.m. kind of guy, mention that to your healthcare provider before filling a sildenafil prescription. Get advice from one of our healthcare providers to learn more about your options.
Usual Geriatric Dose for Erectile Dysfunction
These medications block the PDE5 enzyme, resulting in the widening of your blood vessels to promote blood flow to the penis. This increased blood flow results in an erection. However, sildenafil doesn’t affect your libido. You still need to be aroused to get and maintain an erection long enough to yield satisfying sex. Healthcare providers can prescribe sildenafil tablets in different doses.
Vybrique Oral Film
A typical starting dose of sildenafil is 50 milligrams, which you’d take 30 minutes to four hours before sexual activity. Your provider may adjust your dosage depending on your needs and how you respond to the medication. It’s also possible you may get a prescription in doses that are multiples of 20 milligrams, including 20 milligrams, 40 milligrams, 60 milligrams, and 80 milligrams. In these cases, your sildenafil tablets would actually be the generic form of Revatio®, a medication that has the ingredient sildenafil, like Viagra, but is FDA-approved for pulmonary arterial hypertension (although it can be prescribed off-label for ED). Be sure to talk through all options with your healthcare provider. Don’t be tempted to use expired medicines.
Sildenafil Working Time (And How Long Does it Last)
Keep sildenafil out of the reach of children and pets, and store the medication at room temperature between 68°F to 77°F (20°C to 25°C). You should always follow your doctor’s instructions regarding sildenafil dosing, but your total daily dosage should never exceed 100 milligrams. Even if you’re not getting results from a 100-milligram dose of sildenafil, don’t try to take more. If sildenafil isn’t helping with your lackluster erections, there are a few possible reasons. Another kind of treatment altogether (like therapy for psychological ED) Another kind of treatment altogether (like therapy for psychological ED) Addressing underlying health conditions that can contribute to ED Addressing underlying health conditions that can contribute to ED Additionally, taking sildenafil too early (we’re talking more than a few hours before having sex) won’t produce the effects you’re looking for.
Effets indésirables
That means you have to do a bit of sex planning when taking sildenafil. But you might be surprised at how sexy the anticipation can be—for you and your partner. Spend that time exploring new foreplay ideas or sharing your sexual fantasies. Avoid taking sildenafil if sildenafil citrate 200mg price it’s expired. According to the FDA, you should skip taking any expired meds and safely dispose of them for the following reasons: Their chemical composition could be altered, making them unsafe to consume. Gianmarco Troiano & Giacomo Lazzeri (2021) The potential toxic combination of grapefruit juice and sildenafil, Toxin Reviews, 40:3, 334-337.
Dosing & Uses
There isn’t enough data to say whether sildenafil is safe for people with this eye condition. Sildenafil can interact with the nitrites found in certain recreational drugs popularly known as “poppers,” causing a dangerous drop in blood pressure. Don’t mix sildenafil with other ED drugs, like Cialis®, Levitra®, Revatio® (another brand name for sildenafil) or Stendra®. This can put you at risk for low blood pressure. More of something isn’t always better!
Does Viagra help me keep an erection after ejaculation?
Aside from heart medications and other PDE5 inhibitors, taking sildenafil with ritonavir, ketoconazole, itraconazole, or clarithromycin (an antibiotic) can increase the concentration of sildenafil in your body and make you more likely to experience side effects. Talk with a healthcare professional before mixing sildenafil with over-the-counter supplements, which aren’t regulated in the same way as prescription drugs. Learn more about health and drug interactions in our sildenafil interactions guide. If you’re living with ED symptoms, you’re not alone. Sildenafil can make it easier to get and keep an erection so you can enjoy a fulfilling sex life. Sildenafil citrate induced retinal toxicity-electroretinogram, optical coherence tomography, and adaptive optics findings. Do food and dose timing affect the efficacy of sildenafil?
5.7 Combination with other PDE5 Inhibitors or Other Erectile Dysfunction Therapies
Their chemical composition could be altered, making them unsafe to consume. How can you tell if your medications are expired? Check the label for a date, likely next to the abbreviation “Exp.” Want more tips on how to get the most out of sildenafil? Read our guide on how to use Viagra for best results. It doesn’t really matter if you forget to take sildenafil because it’s designed for you to take it as you need it.
Levitra Brand
But be careful about accidentally doubling up on doses. Missing a dose before sex is no big deal, though doing so may impact the quality of your erection. However, forgetting you already took sildenafil and taking a subsequent dose within 24 hours can lead to complications, particularly if you go over 100 milligrams total. You should be aware of the potential side effects when taking any new drug. The most common side effects of sildenafil include: Most of these mild side effects will go away on their own as your body adapts to taking sildenafil. Hims & Hers has strict sourcing guidelines to ensure our content is accurate and current.
- Sildenafil was first approved by the FDA in 1998.
- It revolutionized erectile dysfunction treatment worldwide.
- Research is ongoing into new potential uses of PDE5 inhibitors.
- The drug has helped millions improve their quality of life.
We rely on peer-reviewed studies, academic research institutions, and medical associations.
- Sildenafil's patent expired, allowing generic versions to be produced.
- Generics are usually cheaper and equally effective.
- Price variations depend on brand, dosage, and pharmacy.
- Verify product authenticity when purchasing over the counter.
