
Viagra (Sildenafil)









Description
Viagra Uses and Indications:
Chemical Name: SILDENAFIL (sil-DEN-a-fil)
Viagra is a prescription medication primarily designed to assist men in achieving and maintaining an erection during sexual stimulation. The active ingredient, sildenafil, works by enhancing blood flow to the penis, which supports the ability to maintain an erection. It's crucial to understand that Viagra does not produce an erection on its own; it enhances the body's natural sexual response. Furthermore, it is essential that users understand the importance of consulting with a healthcare provider before beginning treatment to ensure it is appropriate for their individual health needs.
Health Canada has approved Viagra for over-the-counter prescription access, meaning you can easily obtain it online with a valid prescription from a physician. This accessibility empowers individuals to receive treatment discreetly and conveniently, without the need for uncomfortable doctor visits.
Generic Viagra vs. Brand Name Viagra
Generic Viagra is an effective and more affordable alternative to branded Viagra for men experiencing erectile dysfunction. Studies indicate that generic Viagra has nearly the same efficacy as its branded counterpart. The availability of generic options has increased significantly due to its approval by Health Canada, ensuring safety and quality for consumers. Many individuals find that opting for the generic version allows them to access the treatment they need at a lower cost, contributing to adherence to therapy and improved health outcomes.
Fact Table |
|
Formula |
C22H30N6O4S |
License |
US FDA |
Bioavailability |
41% |
Legal status |
Rx-Only |
Chemical Name |
Sildenafil |
Elimination half-life |
3–4 hours |
Dosage (Strength) |
25mg, 50mg, 100mg |
Pregnancy |
Consult Doctor |
Brands |
Viagra |
Protein binding |
96% |
PubChem CID |
5212 |
MedlinePlus |
a699015 |
ChEBI |
9139 |
ATC code |
G04BE03 |
DrugBank |
DB00203 |
KEGG |
D08514 |
Routes of administration |
By mouth |
Directions
Most men (over 80%) who order Viagra online or have their prescription filled report positive outcomes from the treatment. It is recommended to take Viagra precisely as directed by a healthcare professional. The standard dose for most individuals is 50mg, taken approximately one hour before engaging in sexual activity. Swallow the tablet whole with a glass of water. Avoid taking more than one dose daily, as this could lead to serious side effects, including dangerously low blood pressure. Being informed about the correct dosage and timing can greatly enhance the effectiveness of Viagra for individuals experiencing erectile dysfunction.
Effectiveness can vary between individuals, typically taking 30 minutes to one hour to work. The presence of a heavy meal may delay the onset of action, so taking Viagra on an empty stomach can enhance its speed of effectiveness. It's crucial for users to monitor their reaction to the medication and consult their healthcare provider with any concerns.
Viagra Dosage Information
Viagra can be ingested with or without food, but for best results, it’s suggested to take it without food. The usual recommended starting dose is 50mg taken about one hour before sexual intercourse. Depending on individual response and a physician's assessment, the dose may adjust to 25mg or 100mg for optimal effectiveness. The maximum allowable dosage is one pill per day. Detailed dosage guidelines are typically provided with your prescription or when purchasing Viagra online, ensuring you receive clear instructions for use.
Cautions
Viagra is not suitable for everyone. Certain medical conditions may prevent safe use. Discussing your complete medical history with a healthcare provider is essential before beginning treatment. Key conditions that may warrant caution include:
- Current use of nitrate medications, as combining them with Viagra may lead to severe drops in blood pressure.
- HIV/AIDS
- Irregular heartbeat, which could be exacerbated by sildenafil.
- Coronary artery disease
- History of heart attack or stroke
- High or low blood pressure
- Penile abnormalities, including curvature or deformities.
- Blood disorders, which could increase the risk of complications.
- Severe kidney or liver problems, potentially impacting drug metabolism.
Always consult your healthcare professional before altering your dosage. Making informed decisions about your health is crucial for your safety and wellbeing.
Side Effects
While Viagra is generally well-tolerated, some individuals may experience side effects. These side effects can range from mild to severe, and prompt medical attention is advised for serious reactions. Common side effects include:
- Flushing, which may occur as a result of increased blood flow.
- Headaches, due to vasodilation effects.
- Nasal congestion, which can lead to discomfort.
- Stomach upset, indicating gastrointestinal reactions.
- Vision changes, which may occur with some users.
- Dizziness, potentially affecting balance.
- Priapism (prolonged and painful erection), requiring immediate medical attention.
Any unexpected or uncomfortable symptoms should be discussed with a healthcare provider immediately. Be aware that combining Viagra with certain medications can alter its effects, so detailed medication interaction information is provided with your prescription. Recognizing side effects early can help mitigate risks and improve overall treatment experiences.
Overall, when used responsibly, Viagra is an effective treatment option for erectile dysfunction. Consulting a healthcare provider ensures it’s the right choice for your specific health needs. This proactive approach to treatment can greatly enhance your quality of life.
Dr Conor Sheehy
About Dr. Conor Sheehy (Page Author)
Dr. Sheehy (BSc Molecular Biology, PharmD) is a clinical pharmacist with expertise in cardiology, oncology, and ambulatory care. He is a board-certified pharmacotherapy specialist (BCPS) and focuses on optimizing patient medication plans to ensure optimal outcomes.
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IMPORTANT NOTE: The information provided is for general awareness and educational purposes only. This content does not constitute medical advice and is not intended to diagnose, treat, or replace professional medical consultation. Always consult your healthcare provider regarding the appropriateness and correct usage of any medication to ensure safe practices.