
Viagra (Sildenafil)









Description
Viagra Uses and Indications:
Chemical Name SILDENAFIL (sil-DEN-a-fil)
VIAGRA is a well-established prescription medication intended specifically to assist men in achieving and maintaining an erection in response to sexual stimulation. This crucial functionality allows for a fulfilling intimate experience with their partner. By increasing blood flow to the penis, VIAGRA significantly enhances the rigidity of an existing erection, facilitating its maintenance throughout the act of intimacy.
It's critical to understand that simply taking Viagra does not create an erection on its own; rather, it bolsters an erection that is already in progress. Approved by Health Canada and conveniently available through prescriptions, obtaining generic Viagra online can be straightforward, provided you have a valid prescription from your healthcare provider.
Generic Viagra Vs Branded Viagra
Generic Viagra is a practical alternative to its branded counterpart for men battling erectile dysfunction. Clinical studies show that it offers a comparable level of effectiveness to the original brand, but at a significantly lower price. This makes it an appealing choice for those who must balance effective treatment with cost considerations.
Both forms, generic and branded Viagra, conform to the same stringent safety and usage regulations, and the fact that generic Viagra is available highlights its approval from Health Canada.
Fact Table |
|
Formula |
C22H30N6O4S |
License |
US FDA |
Bioavailability |
41% |
Legal status |
Prescription 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 |
Orally |
Directions
According to recent studies, over 80% of men who order Viagra online or have their prescription filled at local pharmacies experience the expected benefits of the medication. This advantage extends to those who choose the more economically viable generic Viagra option.
Always take VIAGRA as directed by your healthcare provider. The specific dose will be customized based on individual medical conditions and responses. Typically, it is recommended to consume your daily dose of VIAGRA approximately one hour prior to engaging in sexual activity. Ensure to swallow the tablet whole with a full glass of water. Be cautious, as exceeding one dose within a 24-hour period is not advisable due to the heightened risk of dangerously low blood pressure.
Importantly, the onset of VIAGRA's effects can vary from person to person. Generally, it takes between 30 minutes to 1 hour for the medication to take effect. However, consuming a large meal prior to taking VIAGRA may delay its onset. For faster results, it is best taken on an empty stomach.
Ingredients
Viagra Dosage Information
VIAGRA can be taken with or without food, providing flexibility to users.
The commonly prescribed dosage for most patients is a 50mg dose taken approximately one hour before sexual engagement. Some individuals may experience effectiveness as soon as 30 minutes post-ingestion, while others might need to take their dose up to 4 hours in advance for optimal results.
The dosage can be adjusted to 100mg or dropped to 25mg depending on the individual's response and following a consultation with their physician.
Keep in mind that the maximum recommended dose is once daily, and detailed dosage information will accompany your prescription when you purchase Viagra either online or at your local pharmacy.
Cautions
Not every man is an ideal candidate for VIAGRA, particularly those with certain medical conditions that could contraindicate the use of this medication. Patients are strongly encouraged to discuss the following health issues with their healthcare professional before starting either brand name or generic Viagra:
- If you are currently taking any nitrate medications
- HIV/AIDS
- Irregular heartbeat
- Coronary artery disease
- A history of heart attack, stroke, or other heart-related ailments
- High blood pressure or low blood pressure
- Penile structural abnormalities, such as a curvature or congenital defects
- Bleeding disorders
- Retinitis pigmentosa
- Conditions that restrict blood flow or lead to thickened blood, such as leukemia or sickle cell disease
- Priapism
- Heart or blood disorders
- Severe kidney or liver conditions
It is critical to never alter your dosage without prior discussion and approval from your healthcare provider.
Side Effects
Although VIAGRA successfully mitigates erectile dysfunction for the vast majority of patients, it is important to be aware that, like any medication, it may present side effects. Most of these side effects may be minor and transient, but some reactions may require immediate medical attention. If you experience any adverse effects while taking Viagra, consult your doctor or a healthcare professional without delay.
Possible common and less common side effects include:
- Flushing
- Headaches
- Nasal congestion
- Stomach discomfort following meals
- Visual disturbances (such as blurred vision, alterations in color perception, light sensitivity)
- Bladder discomfort
- Cloudy or bloody urine
- Dizziness
- Increased urination or painful urination
- Diarrhea
- Eye bleeding
- Seizures
- Alterations in vision, including decreased or double vision; in rare instances, blindness can occur
- A blue vision tint
- Prolonged, painful, or inappropriate erections (known as priapism)
- Eye redness, swelling, or burning sensations
- Feelings of anxiety
Furthermore, certain medications may interact with Viagra and modify its effects, so it is often recommended to avoid combining it with specific drugs. Information regarding potential interactions will be included in the medication guidelines that accompany your prescription. Always read these instructions thoroughly, and seek immediate medical help if you experience any discomfort while using the medication, irrespective of whether you are currently taking any other medications.
When used as directed, VIAGRA is regarded as a safe and effective approach to treating erectile dysfunction in men. Always consult your healthcare provider to ensure this medication aligns with your health needs.
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. As a board-certified pharmacotherapy specialist (BCPS), he is dedicated to optimizing patients' medication regimens, making him a reliable source of information for our pharmacy.
IMPORTANT NOTE: The information presented above is purely for general awareness and educational purposes. It should not be utilized to diagnose, treat, or replace professional medical or veterinary advice. Always consult with your physician, pharmacist, or veterinarian regarding the safety, appropriateness, and correct usage of any medication intended for yourself or your pet.