In particular, make sure that you discuss if you are using any of the following before taking sildenafil. Tell your healthcare provider about all medicines that you take or have recently taken.
Dosages of Sildenafil
Sildenafil should not be taken while you are using certain other medicines. Before taking sildenafil, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. See the Interactions section for more details. Do not take sildenafil unless it has been prescribed to you by a healthcare provider. Do not share sildenafil with other people, even if they have the same condition as you.
Oral Administration
Keep sildenafil out of the reach of children. If you keep sildenafil oral liquid in a refrigerator, make sure to keep it away from children who also use the refrigerator. Sexual activity can put extra strain on your heart, which may be unsafe for people with certain health problems, such as a recent heart attack. Talk to your healthcare provider to see if your heart is strong enough for sex. If you feel chest pain, dizziness, or nausea during sex, stop and contact your healthcare provider right away. This may not be a complete list of medicines that can interact with sildenafil.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Viagra Generic | 200mg | 90 + 6 Pills | 170.79€ 162.66€ | |
| Viagra Generic | 50mg | 270 + 8 Pills | 198.48€ 189.03€ | |
| Kamagra | 100mg | 180 + 6 Pills | 436.79€ 415.99€ | |
| Kamagra Oral Jelly | 100mg | 21 Sachets | 95.92€ 91.35€ | |
| Viagra Generic | 200mg | 180 + 10 Pills | 277.56€ 264.34€ | |
| Viagra Generic | 25mg | 30 + 4 Pills | 47.97€ 45.69€ | |
| Viagra Generic | 100mg | 270 + 10 Pills | 270.47€ 257.59€ | |
| Kamagra Soft Tabs | 100mg | 12 Pills | 57.55€ 54.81€ | |
| Viagra Generic | 150mg | 270 + 10 Pills | 326.61€ 311.06€ | |
| Viagra Generic | 100mg | 180 + 8 Pills | 199.37€ 189.88€ | |
| Viagra Generic | 150mg | 30 + 2 Pills | 72.32€ 68.88€ | |
| Viagra Generic | 150mg | 20 Pills | 55.02€ 52.40€ | |
| Viagra Generic | 50mg | 10 Pills | 26.87€ 25.59€ | |
| Viagra Generic | 200mg | 60 + 4 Pills | 125.19€ 119.23€ |
If you or someone else has used too much sildenafil, get medical help right away, call 911, or contact a Poison Control center at 800-222-1222.
What Are the Alternatives?
Stop taking sildenafil sildenafil pick up and get help right away if you have sudden hearing loss or suddenly have trouble hearing as well as usual. Sildenafil may cause a mild and temporary drop in blood pressure. You may be at a higher risk if you have certain health conditions or take blood pressure medicines. If you feel faint or dizzy, lie down. Tell your healthcare provider right away if you have any of the following symptoms of low blood pressure.
Are you currently using Sildenafil (Viagra, Revatio)?
You may be at higher risk for this if you take a blood thinner medicine. Tell your healthcare provider if you get nosebleeds often while taking sildenafil. If your nosebleed is severe or will not stop after applying pressure, get help right away. People who are allergic to any of the following should not take sildenafil. Any of the ingredients in the specific product dispensed Your pharmacist can tell you all of the ingredients in the specific sildenafil products they stock. For this use, sildenafil is used only when needed.
- Sildenafil citrate sublingual tablets are available by prescription only.
- They are typically used when other erectile dysfunction medications are ineffective.
- The sublingual method provides quicker results than traditional pills.
- Patients should inform their doctor of all medications before use.
- Avoid using these tablets if allergic to sildenafil.
- The medication may cause dizziness or vision changes.
- Do not use these tablets with grapefruit or grapefruit juice.
- Overuse can lead to priapism, a prolonged erection requiring medical attention.
- The tablets are designed to degrade under the tongue, not for swallowing.
- Regular medical check-ups are recommended during treatment.
- Proper disposal of unused medication prevents misuse.
Take it as your healthcare provider recommends, which is usually between 30 minutes to four hours before planned sexual activity. Do not take double or extra doses.
| Effect | Description | Duration |
|---|---|---|
| Vasodilation | Dilates blood vessels in penile tissue | 4-6 hours |
| Increased cGMP levels | Enhances erectile response | During active period |
| Blood Pressure Decrease | Mild hypotensive effect | Transient |
For this use, take sildenafil as your healthcare provider recommends, which is usually three times a day.
Uses and Mechanism of Action
Sildenafil does not protect against sexually transmitted infections, including HIV. Sildenafil belongs to a group of medicines, known as phosphodiesterase-5 (PDE-5) inhibitors, which are used to treat erectile dysfunction or pulmonary arterial hypertension. You should not take more than one PDE-5 inhibitor medicine. Medicines in this group include avanafil (Stendra), sildenafil (Viagra, Revatio, and others), tadalafil (Cialis and others), and vardenafil (Levitra, Staxyn). Use an accurate measuring device to measure your dose of sildenafil oral liquid.
What is sildenafil used for?
A household spoon is not an accurate measuring device and may cause you to take the wrong dose. Ask your pharmacist to recommend an appropriate measuring device. Tell your healthcare provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. This will help them determine if sildenafil is right for you. In particular, make sure that you discuss any of the following. If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and only take the next dose. Ask your healthcare provider if you are unsure what to do after a missed dose.
| Format | Description | Quantity per Package | Additional notes |
|---|---|---|---|
| Blister Pack | Individual units sealed in blisters | 10, 20 tablets | Keeps tablets protected |
| Bottle | Bottle with desiccant for moisture control | 30, 60, 90 tablets | Easy to carry and dispense |
| Strip Packaging | Multiple tablets in a strip | 7, 14 tablets | Portable and discreet |
This survey is being conducted by the WebMD marketing sciences department. Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED).
- Sildenafil citrate is a phosphodiesterase type 5 inhibitor.
- Sublingual tablets offer an alternative for those with swallowing difficulties.
- The medication is designed to be fast-acting for spontaneous activity.
- Avoid use if you have a history of stroke or heart attack.
- Always check expiration dates before use.
- Female patients should not use sildenafil medication.
- Report any persistent pain or abnormal erections.
- Combining sildenafil with recreational drugs can be dangerous.
- The sublingual form minimizes gastrointestinal side effects.
- Use the lowest effective dose to minimize adverse effects.
- Consult your doctor about safe usage and potential interactions.
In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get and keep an erection. Sildenafil does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis).
Packaging and Quality
Sildenafil injection is usually given by a healthcare provider in a hospital or clinic. You will not store it at home. The most common side effects of sildenafil are listed below. These side effects may vary depending on the condition that is being treated. Tell your healthcare provider if you have any of these side effects that bother you.
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Pain in your muscles, back, arms, or legs There may be other side effects of sildenafil that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine. In the U.S., you can report side effects to the FDA at or by calling 800-FDA-1088. In Canada, you can report side effects to Health Canada at or by calling 866-234-2345. While less common, the most serious side effects of sildenafil are described below, along with what to do if they happen. Practice "safe sex" such as using latex condoms. Consult your doctor or pharmacist for more details.
| Parameter | Value | Notes |
|---|---|---|
| Absorption Time | 15-30 minutes | Faster than oral tablets |
| Max Plasma Concentration | 150 ng/mL | Approximate |
| Time to Peak | 20 minutes | Post-administration |
| Half-life | 4-5 hours | In healthy adults |
Sildenafil is also available in other brands and strengths for treating high blood pressure in the lungs (pulmonary hypertension). Do not take sildenafil with any other product that contains sildenafil or other similar medications for erectile dysfunction-ED or pulmonary hypertension (such as tadalafil, vardenafil).
Medical uses
Sildenafil may cause allergic reactions, which can be serious. Stop taking sildenafil and get help right away if you have any of the following symptoms of a serious allergic reaction. Swelling of the face, lips, mouth, tongue, or throat Itching, skin rash, or pale red bumps on the skin called hives Sildenafil may cause an unwanted erection that is persistent, painful, and that may occur without sexual arousal. Permanent damage to the penis may occur if priapism is not treated quickly. Stop taking sildenafil and get emergency help if you have any of the following symptoms of priapism.
How does sildenafil work (mechanism of action)?
Erection lasting for more than four hours Erection that is unrelated to sexual stimulation Sildenafil can cause mild, temporary vision changes such as seeing a blue tint, abnormal colors, blurry vision, or sensitivity to light. Though rare, some people have reported permanent vision loss. Stop taking sildenafil and get help right away if you have sudden vision loss in one or both eyes. Sudden hearing loss has been reported after taking sildenafil. This may occur along with dizziness and ringing in the ears. Sildenafil is available under the following different brand names: Revatio, and Viagra. Dosage Considerations – Should be Given as Follows: 50 mg orally 1 hour before sexual activity may be increased to 100 mg or reduced to 25 mg, depending on effectiveness and tolerance Oral: 5 mg or 20 mg 3 times daily, administered 4-6 hours apart Intravenous (IV): 2.5-mg or 10-mg bolus 3 times daily if patient is temporarily unable to take orally Recommended oral/IV dose not to be exceeded Adding Revatio to bosentan does not have any beneficial effect on exercise capacity Hepatic impairment or severe renal impairment: Use initial dose of 25 mg Older than 65 years: 25 mg orally initially 1 hour before sexual activity Oral: 5 mg or 20 mg 3 times daily, administered 4-6 hours apart Intravenous (IV): 2.5-mg or 10-mg bolus 3 times daily if patient is temporarily unable to take orally Recommended oral/IV dose not to be exceeded Adding Revatio to bosentan does not have any beneficial effect on exercise capacity Clinical trials found no significant difference in response between elderly patients and younger adults; however, cautious dose selection should be considered in elderly because of greater frequency of decreased hepatic, renal, and cardiac function, as well as comorbid conditions and concomitant pharmacotherapy Compared with healthy younger volunteers, healthy elderly volunteers (65 years and older) had reduced clearance of sildenafil, resulting in approximately 84% and 107% higher plasma concentrations of sildenafil and its active N-desmethyl metabolite, respectively Not to be prescribed to children (1-17 years) for pulmonary arterial hypertension (PAH); this recommendation against use is based on long-term clinical pediatric trial showing that children taking high doses had higher risk of death than children taking low doses and that low doses were not effective in improving exercise ability Side effects associated with use of Sildenafil, include the following: Postmarketing side effects of sildenafil reported include: Vaso-occlusive crisis (PAH secondary to sickle-cell anemia) This document does not contain all possible side effects and others may occur.
Do Under-The-Tongue Dissolvable Ed Medications Offer Any Benefit?
Tell your healthcare provider if you have any of the following. Heart problems, such as heart rhythm problems, chest pain, or heart failure Heart attack, stroke, or heart surgery within the past six months High blood pressure that is still too high despite taking medicines for it Peyronie's disease, or a penis with an abnormal curve or shape An erection lasting longer than four hours A blood disorder, such as sickle cell anemia An inherited eye disease called retinitis pigmentosa Vision loss, or a problem with the nerve between your eyes and brain (optic nerve) Health conditions or factors that raise the risk of optic nerve problems, such as diabetes, high cholesterol, smoking, being older than 50, or having a “crowded disc,” which is something an eye doctor may see in an eye exam Pulmonary veno-occlusive disease, a condition where blood vessels in the lungs are blocked It is not known if or how sildenafil could affect pregnancy or harm an unborn baby. Tell your healthcare provider if you are or plan to become pregnant. Tell your healthcare provider if you are breastfeeding or plan to breastfeed. Your healthcare provider will advise you if you should take sildenafil while breastfeeding.
What should I tell my healthcare provider before taking sildenafil?
If you take sildenafil after you eat a high-fat meal, such as a burger and fries, it may take longer to start working. Your healthcare provider may recommend limiting or avoiding grapefruit while taking sildenafil. Grapefruit or grapefruit juice can raise sildenafil levels in your body, sildenafil citrate drug which can increase the risk of side effects. There are no known interactions between sildenafil and alcohol. Always tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.
