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John's wort. Tell your doctor if you smoke, if you have ever had an erection that lasted for several hours and if you have recently lost a large amount of body fluids (dehydration).
- Sildenafil can enhance the quality of life for men with erectile dysfunction.
- It usually starts working within 30 to 60 minutes after ingestion.
- Sildenafil’s effects last for about 4 to 6 hours.
- It’s important to follow prescribed instructions for safe use.
- Combining sildenafil with recreational drugs can be dangerous and is not recommended.
This can happen if you are sick with fever, diarrhea or vomiting; sweat a lot; or do not drink enough liquids.
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Do not take street drugs containing nitrates such as amyl nitrate and butyl nitrate (“poppers”) while taking sildenafil. Tell your doctor and pharmacist what prescription and nonprescription medications, vitamins and nutritional supplements you are taking or plan to take. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Many other medications may also interact with sildenafil, so be sure sildenafil oral jelly 100 mg to tell your doctor about all the medications you are taking, even those that do not appear on this list. Tell your doctor what herbal products you are taking or plan to take, especially St. Also tell your doctor if you have or have ever had pulmonary veno-occlusive disease (PVOD; blockage of veins in the lungs); a stomach ulcer; heart, kidney or liver disease; a heart attack; an irregular heartbeat; a stroke; chest pain; high or low blood pressure; high cholesterol; a bleeding disorder; blood circulation problems; blood cell problems such as sickle cell anemia (a disease of the red blood cells), multiple myeloma (cancer of the plasma cells) or leukemia (cancer of the white blood cells); conditions affecting the shape of the penis (e.g., angulation, cavernosal fibrosis, or Peyronie's disease); or diabetes.
| Risk | Description | Mitigation Strategies |
|---|---|---|
| Counterfeit Products | Fake pills without active ingredients | Choose verified sellers and pharmacies |
| Data Privacy Concerns | Personal info theft | Use secure, trusted websites |
| Unregulated Sales | Unapproved medications | Verify seller credentials |
| Legal Issues | Illegal import or purchase | Know local laws before buying |
Also tell your doctor if you or any of your family members have or have ever had an eye disease such as retinitis pigmentosa (an inherited eye condition that causes loss of vision) or if you have ever had sudden severe vision loss, especially if you were told that the vision loss was caused by a blockage of blood flow to the nerves that help you see.
| Customer Name | Rating (out of 5) | Comments | Purchase Location |
|---|---|---|---|
| John D. | 4.5 | Worked well, quick delivery | Online Pharmacy |
| Emma R. | 4.0 | Mild side effects, effective | Local Store |
| Michael S. | 3.5 | Took longer to work than expected | Online Market |
| Lisa P. | 5.0 | No side effects, very reliable | Authorized Seller |
Tell your doctor if you have ever been advised by a healthcare professional to avoid sexual activity for medical reasons or if you have ever experienced chest pain during sexual activity. Sexual activity may be a strain on your heart, especially if you have heart disease.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Viagra Generic | 50mg | 360 + 10 Pills | 225.33€ 214.60€ | |
| Kamagra Oral Jelly | 100mg | 21 Sachets | 95.92€ 91.35€ | |
| Kamagra | 100mg | 20 Pills | 86.09€ 81.99€ | |
| Kamagra Oral Jelly | 100mg | 110 + 9 Sachets | 334.87€ 318.92€ | |
| Viagra Generic | 100mg | 60 + 4 Pills | 96.36€ 91.77€ | |
| Viagra Generic | 50mg | 270 + 8 Pills | 198.48€ 189.03€ | |
| Viagra Generic | 100mg | 10 Pills | 28.91€ 27.53€ | |
| Viagra Generic | 200mg | 120 + 8 Pills | 204.80€ 195.05€ | |
| Viagra Generic | 50mg | 60 + 4 Pills | 83.93€ 79.93€ | |
| Viagra Generic | 150mg | 360 + 10 Pills | 423.48€ 403.31€ | |
| Kamagra Polo | 100mg | 272 + 12 Pills | 622.94€ 593.28€ | |
| Viagra Generic | 50mg | 30 + 4 Pills | 54.26€ 51.68€ |
If you experience chest pain, dizziness or nausea during sexual activity, call your doctor immediately and avoid sexual activity until your doctor tells you otherwise.
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What are the most common side effects of sildenafil?
licensed medical providers are available daily 7 a.m. to 9 p.m. CST via live video visit. We look forward to serving you soon. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence or an inability to get or keep an erection) in men.1 Sildenafil can also be used to treat premature ejaculation.2,3 Sildenafil (Viagra) is used to treat erectile dysfunction (impotence or an inability to get or keep an erection) in men.1 Sildenafil can also be used to treat premature ejaculation.2,3 Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors and sildenafil 100mg blue pill treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation.4 It may also be effective for treating premature ejaculation, particularly when paired with an SSRI such as citalopram (Celexa®), escitalopram (Lexapro®) and Sertraline (Zoloft®).5,6 Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors and treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation.4 It may also be effective for treating premature ejaculation, particularly when paired with an SSRI such as citalopram (Celexa®), escitalopram (Lexapro®) and Sertraline (Zoloft®).5,6 Sildenafil usually begins to work for erectile dysfunction within 30 minutes.7 Sildenafil usually begins to work for erectile dysfunction within 30 minutes.7 The effects of sildenafil typically last up to four hours, with the effectiveness starting to wear off after two hours. After you are prescribed, tell all your healthcare providers that you are taking sildenafil.
What is Viagra?
Without insurance, sildenafil can cost as much as $15 per tablet.15 RedBox Rx offers sildenafil for as low as $1 per tablet. Sildenafil requires a doctor’s prescription and is not available over the counter.16 Start an online consult for erectile dysfunction or premature ejaculation with RedBox Rx to find fast, affordable and discreet support. Sildenafil is not FDA-approved for women but may be prescribed in certain situations.17 Sildenafil is not FDA-approved for women but may be prescribed in certain situations.17 PDE5 inhibitors such as sildenafil, tadalafil, avanafil and vardenafil all work in the same basic way by relaxing blood vessels to increase blood flow to the penis. They are all effective for treating erectile dysfunction, but they differ sildenafil gel mainly in how quickly they start working and how long their effects last.18Read our Complete Guide to Compare ED Medications to learn more. PDE5 inhibitors such as sildenafil, tadalafil, avanafil and vardenafil all work in the same basic way by relaxing blood vessels to increase blood flow to the penis.
How is sildenafil supplied (dosage forms)?
It typically has a shelf life of about two years, but check your medication’s bottle for a more specific date.19 It typically has a shelf life of about two years, but check your medication’s bottle for a more specific date.19 Before taking sildenafil: Tell your doctor and pharmacist if you are allergic to sildenafil, any other medications or any of the ingredients in sildenafil products. Ask your pharmacist for a list of the ingredients. Do not take sildenafil if you are taking or have recently taken riociguat (Adempas) or nitrates (medications for chest pain) such as isosorbide dinitrate (Isordil), isosorbide mononitrate (Monoket) and nitroglycerin (Minitran, Nitro-Dur, Nitromist, Nitrostat, others). Nitrates come as tablets, sublingual (under the tongue) tablets, sprays, patches, pastes and ointments. Ask your doctor if you are not sure whether any of your medications contain nitrates. If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil.20 Tell your doctor and pharmacist if you are allergic to sildenafil, any other medications or any of the ingredients in sildenafil products.
Your First Appointment
You can take sildenafil with or without food. However, if you take sildenafil with a high-fat meal, it will take longer for the medication to start to work. Follow the directions on your prescription label carefully and ask your doctor or pharmacist to explain any part you do not understand. Do not take more or less of it, or take it more often than prescribed by your doctor. If you are taking sildenafil for erectile dysfunction, your doctor will probably start you on 50 mg of sildenafil and increase or decrease your dose depending on your response to the medication.
When to Switch or Adjust
Tell your doctor if sildenafil is not working well or if you are experiencing side effects.12 If you are taking sildenafil to treat erectile dysfunction, follow your doctor's directions. Tell your doctor if sildenafil is not working well or if you are experiencing side effects.12 Sildenafil tablets for erectile dysfunction come in different strengths ranging from 20 mg to 100 mg. The usual dose is 50 mg, taken once per day when you need it. The dose can be increased to 100 mg or decreased to 25 mg depending on its effect.13 Sildenafil is prescribed off-label for premature ejaculation but has been found effective in 50 mg dosages.14 Work with your healthcare provider to find the right dosage for you. Sildenafil tablets for erectile dysfunction come in different strengths ranging from 20 mg to 100 mg. Tell your doctor and pharmacist if you are allergic to sildenafil, any other medications or any of the ingredients in sildenafil products.
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If you experience a prolonged or painful erection for four hours or more, contact your doctor immediately.8 The effects of sildenafil typically last up to four hours, with the effectiveness starting to wear off after two hours. If you experience a prolonged or painful erection for four hours or more, contact your doctor immediately.8 Sildenafil can take five or six hours to fully leave your system, but a high dosage may take longer.9 Sildenafil can take five or six hours to fully leave your system, but a high dosage may take longer.9 Do not take sildenafil more than once per day. Always follow medication instructions exactly as prescribed.10 Do not take sildenafil more than once per day. Always follow medication instructions exactly as prescribed.10 Your healthcare provider will tell you how much to take and when to take it based on your physical health, your symptoms and other factors. Do not exceed their recommended dosage.11 Your healthcare provider will tell you how much to take and when to take it based on your physical health, your symptoms and other factors.
Why does Viagra (sildenafil) cause headaches?
Do not exceed their recommended dosage.11 If you are taking sildenafil to treat erectile dysfunction, follow your doctor's directions. Take sildenafil as needed before sexual activity. The best time to take sildenafil is about one hour before sexual activity, but you can take the medication any time from four hours to 30 minutes before sexual activity. Sildenafil usually should not be taken more than once every 24 hours. If you have certain health conditions or are taking certain medications, your doctor may tell you to take sildenafil less often. If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil.20 Grapefruit juice and products may interact with sildenafil, leading to unwanted side effects.
- Sildenafil should be used with caution in patients with heart conditions.
- Consult a doctor if you experience prolonged erections lasting over 4 hours.
- Sildenafil may interact with other medications, including certain antibiotics and antifungals.
- Do not share your sildenafil medication with others.
- Pregnant women should avoid using sildenafil unless instructed by a healthcare provider.