
Viagra (Sildenafil) – Your Trusted Canadian Pharmacy Source









Description
Understanding Viagra: Uses and Indications
Chemical Name: SILDENAFIL (sil-DEN-a-fil)
VIAGRA is a widely recognized prescription medication that aims to assist men in achieving and sustaining an erection during sexual stimulation. The effectiveness of this drug lies in its ability to enhance blood circulation to the penis, promoting a firmer and longer-lasting erection. It's crucial to understand that Viagra does not cause an erection on its own; rather, it amplifies an existing one, meaning sexual arousal is still necessary for it to work.
In Canada, Viagra has received approval from Health Canada for over-the-counter prescription access, allowing men to easily order this essential medication online when provided with a valid prescription from a healthcare practitioner. This development signifies a progressive step towards more convenient healthcare solutions.
Generic Viagra vs. Branded Viagra
Numerous men discover that Generic Viagra acts as a highly effective counterpart to its branded version. Both generic and branded medications contain the same active ingredient—Sildenafil—which provides similar effectiveness in treating erectile dysfunction. The primary benefit associated with generic Viagra is its significantly reduced cost, making it a more affordable choice for many patients. Patients can feel confident that, like branded Viagra, generic substitutes meet the rigorous standards set forth by Health Canada, ensuring their safety and efficacy.
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 Safety |
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 and Recommendations
Numerous studies indicate that over 80% of men ordering Viagra online or receiving their prescriptions at local pharmacies report favorable outcomes in managing erectile dysfunction. This statistic underscores the medication's importance in improving the quality of life for many individuals.
It is essential to adhere to your healthcare provider's instructions when consuming Viagra. The standard recommended dosage for most patients is 50mg, taken approximately one hour prior to expected sexual activity. It is advised to swallow the tablet whole with a glass of water. Caution is imperative against taking more than one dose within a 24-hour period, as doing so can significantly elevate the risk of severe hypotension.
The onset of Viagra's effects can vary according to individual factors, usually occurring between 30 minutes to an hour. However, its efficacy may be influenced by the consumption of a heavy meal; thus, taking Viagra on an empty stomach may yield quicker results.
Viagra Dosage Information
Patients can take VIAGRA with or without food; however, the standard dosage is 50mg. This may be adjusted based on individual responses and tolerability factors. Some men may find they can take it as soon as 30 minutes before anticipated sexual activity, while others may require a duration of up to four hours beforehand to ensure optimal effectiveness.
Dosage modifications can be made as necessary, with alternative options of 25mg and 100mg available based on the physician's assessment of the patient’s specific condition and their response to the therapy. Always take care to adhere to the maximum recommendation of one dose per day to mitigate risks.
Cautions and Considerations
VIAGRA may not be suitable for every individual. It is imperative to discuss any pre-existing health conditions with your healthcare provider before initiating treatment, with particular attention to:
- Concurrent use of nitrate medications
- History of HIV/AIDS
- Irregular heartbeats
- Coronary artery disease
- Previous heart attack or stroke
- High or low blood pressure conditions
- Any penile abnormalities such as Peyronie’s disease
- Bleeding disorders
- Retinitis pigmentosa
- Medical conditions leading to thickened blood or compromised blood flow
- History of priapism
- Severe kidney or liver impairment
It is vital to avoid self-dosing outside of your prescribed guidelines to ensure safety and efficacy.
Side Effects of Viagra
While Viagra has proven effective for many individuals, it can be associated with a variety of side effects ranging from mild to severe. Common side effects may include:
- Facial flushing
- Headaches
- Nasal congestion
- Gastrointestinal discomfort
- Visual disturbances (including blurred vision and increased light sensitivity)
- Dizziness
- Increased frequency or pain during urination
- Diarrhea
- Feelings of anxiety
Serious side effects may occur and warrant immediate medical attention, such as prolonged erections or significant vision changes. Always consult your doctor if you experience adverse effects during your treatment with Viagra.
Conclusion
When utilized responsibly and under proper medical supervision, Viagra is a safe and effective option for treating erectile dysfunction in men. Before commencing any treatment regimen, it is recommended to consult your healthcare provider to ensure it aligns with your health profile and needs.
Dr. Conor Sheehy
About Dr. Conor Sheehy (Author)
Dr. Sheehy (BSc Molecular Biology, PharmD) is a clinical pharmacist with a special focus on cardiology, oncology, and ambulatory care. As a board-certified pharmacotherapy specialist (BCPS), he possesses extensive hands-on experience that enables him to refine medication plans for optimal effectiveness in patient care.
Stay Informed: The information herein serves educational purposes and should not be construed as professional medical advice. Always seek guidance from your healthcare provider regarding the safe and effective use of medications.
IMPORTANT NOTE: The details provided here are meant for general awareness and education only. This content is not a substitute for professional medical consultation and should not be used to diagnose or treat any medical condition. It is crucial to always consult your physician or a qualified healthcare professional for the appropriate use of any medication.