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VIAGRA (active ingredient: sildenafil) is a prescription medication used to treat erectile dysfunction (ED). Erectile dysfunction is a condition in which a man has difficulty getting or maintaining an erection firm enough for sexual activity.
VIAGRA was developed by Pfizer, a global pharmaceutical company. The medication was originally studied in the late 1980s as a potential treatment for angina (chest pain) and high blood pressure. During clinical trials, researchers discovered that sildenafil had a significant effect on erectile function. Based on these findings, Pfizer shifted its focus and developed VIAGRA as a treatment for erectile dysfunction.
VIAGRA belongs to a group of medications called phosphodiesterase type 5 (PDE5) inhibitors. These medications work by increasing blood flow to the penis during sexual stimulation, making it easier to achieve and maintain an erection.
VIAGRA is used to help men with erectile dysfunction improve their ability to get and keep an erection suitable for sexual activity.
It is important to understand that VIAGRA does not cause an automatic erection. Sexual stimulation is still required for the medication to work.
Key Benefits of VIAGRA
VIAGRA works by blocking an enzyme called phosphodiesterase type 5 (PDE5). This action relaxes blood vessels and increases blood flow to the penis during sexual arousal.
By improving blood flow, VIAGRA helps support a natural erectile response when sexual stimulation occurs.
VIAGRA should be taken exactly as prescribed by your healthcare provider. For most men, the medication is taken as needed about 1 hour before sexual activity. However, VIAGRA may be taken anywhere from 30 minutes to 4 hours before sexual activity, depending on your individual response to the medication.
VIAGRA can be taken with or without food. However, taking it with a high-fat meal may delay how quickly the medication begins to work. If you want the fastest possible effect, taking VIAGRA on an empty stomach or after a light meal may be helpful.
Certain medical conditions, age-related factors, or medications may affect the dose that is right for you. Your healthcare provider may recommend a lower dose or adjust how often you take the medication based on your individual needs.
Adults
VIAGRA may begin working within 30 minutes of taking a dose. However, the exact timing can vary from person to person.
Sexual stimulation is required for VIAGRA to work. The medication does not cause an automatic erection and will only help you achieve an erection when you are sexually aroused.
The effects of VIAGRA can last for several hours. Some men may continue to experience benefits for up to 18 hours after taking a dose, although the strength of the effect gradually decreases over time.
If you have questions about how to take VIAGRA or what dose is right for you, speak with your healthcare provider or pharmacist for guidance.
Viagra and its generic alternative Sildenafil are available in the following forms and strengths:
Before taking VIAGRA, tell your healthcare provider if you are allergic to sildenafil, any other medications, or any of the ingredients in VIAGRA. If you are unsure whether you have an allergy to any ingredient, your pharmacist can provide a complete list of ingredients.
Do not take VIAGRA if you are taking riociguat (Adempas) or any medication that contains nitrates. Common nitrate medications include nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Taking VIAGRA with these medications can cause a sudden and dangerous drop in blood pressure, which may lead to dizziness, fainting, heart attack, or stroke.
Sildenafil is also available in products used to treat pulmonary arterial hypertension (PAH). If you are pregnant, planning to become pregnant, or breastfeeding, discuss the benefits and risks of treatment with your healthcare provider before using sildenafil. If you become pregnant while taking sildenafil, contact your healthcare provider as soon as possible.
Do not take more VIAGRA than prescribed. Doses higher than 100 mg have not been shown to improve effectiveness and may increase the risk of side effects.
The most common side effects of VIAGRA include:
Although these side effects are usually mild, contact your healthcare provider if they become severe, persistent, or bothersome.
VIAGRA may occasionally affect vision. Some people have reported changes in color vision, increased sensitivity to light, or blurred vision while taking sildenafil. In rare cases, sildenafil has also been associated with hearing problems, including sudden hearing loss. Seek medical attention immediately if you experience sudden vision changes, hearing loss, ringing in the ears, or a significant decrease in hearing.
Always tell your healthcare provider about all prescription medications, over-the-counter products, vitamins, and herbal supplements you take before starting VIAGRA. This can help reduce the risk of drug interactions and side effects.
Store VIAGRA in its original container with the lid tightly closed. Keep the medication at room temperature and protect it from excess heat and moisture. Avoid storing it in the bathroom, where humidity levels can be high. Always keep VIAGRA out of the reach of children and pets to help prevent accidental ingestion.
Keep all scheduled appointments with your healthcare provider while using VIAGRA. These visits allow your healthcare provider to monitor your treatment and address any questions or concerns you may have. Do not share VIAGRA with anyone else, even if they have symptoms similar to yours. The medication has been prescribed specifically for your individual health needs and may not be safe or appropriate for another person. If you need a prescription refill or have questions about your medication, speak with your pharmacist or healthcare provider for assistance.
VIAGRA is generally considered safe when taken exactly as prescribed by a healthcare provider. Its safety and effectiveness have been evaluated in clinical trials and supported by more than 20 years of medical use. Like all medications, VIAGRA can cause side effects and may not be suitable for everyone. Before starting treatment, discuss your medical history, current medications, and any health concerns with your healthcare provider to ensure that VIAGRA is an appropriate option for you.
| Generic name: | Sildenafil |
|---|---|
| Formulation: | Scored Tablet, Tablet |
| Strength(s): | 25mg, 50mg, 100mg |
| Quantities Available: | 4, 8, 12, 16, 20, 24, 28, 32, 36, 60, 80, 88 |
Our online Canadian Pharmacy is known for high standards of quality, safety, and efficiency when it comes to medications.
Our pharmacy offers lower prices on prescription drugs compared to traditional pharmacies.
When ordering Viagra (sildenafil) from a Canadian pharmacy, you can typically purchase up to a 90-day supply at one time, which is common for prescription medications to ensure adequate management of chronic conditions without frequent refills.
Here’s what you need to know:
Dosage and Quantity: Viagra is commonly prescribed in dosages of 25 mg, 50 mg, or 100 mg, taken as needed prior to sexual activity. If you were instructed to take it once a day, you would order 90 tablets (90 days x 1 tablet per day).
Yes, we sell sildenafil. You can enjoy low prices on sildenafil when you order from our website.
Please note that you will need a valid prescription from your healthcare provider to purchase this medication. We require this to dispense the medication. You can mail, fax, or upload your prescription through your online account for convenience.
Yes, we ship Viagra (Sildenafil) to both the United States and Puerto Rico.
Yes, it is safe to buy Viagra or sildenafil from Canada as long as you buy it from CIPA certified pharmacies like Online Pharmacies Canada. Online Pharmacies Canada is verified by Canadian International Pharmacy Association (CIPA). CIPA approved pharmacies are recognized as safe in the US.
Watch how Online Pharmacies Canada is helping customers save money on their medications.
Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Viagra (Sildenafil). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Viagra (Sildenafil).
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