Viagra

Viagra (Sildenafil)

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Description

Viagra Uses and Indications:

Chemical Name SILDENAFIL (sil-DEN-a-fil)

VIAGRA is an FDA-approved prescription medication that has been specifically developed to assist men in achieving and maintaining an erection after experiencing sexual stimulation. This medication plays a vital role by enhancing blood flow to the penis, which ultimately leads to improved rigidity of an existing erection, allowing for a satisfying sexual experience with their partner. Importantly, it is essential to understand that taking Viagra does not automatically produce an erection; instead, it serves to amplify an already present erectile response.

This distinction is crucial, as individuals should be aware that Viagra is not a cure for erectile dysfunction, but rather a supportive treatment option that aids in maintaining an erection once it has begun. Health Canada has granted over-the-counter prescription access, making it convenient to order generic Viagra online with an appropriate prescription from a healthcare provider.

Generic Viagra vs Branded Viagra

Generic Viagra serves as a cost-effective alternative to the branded version for men seeking relief from erectile dysfunction. Numerous studies indicate that the generic formulation demonstrates nearly identical effectiveness compared to its branded counterpart. The primary advantage of opting for generic Viagra is its lower price point, which allows patients to access the same benefits as branded Viagra with their prescribed medication from their healthcare provider.

It is important to note that the same safety protocols and usage guidelines established for branded Viagra also apply to generic Viagra, reassuring patients that the availability of generic options means they have undergone stringent review and approval by Health Canada for safe consumption.

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

Statistical data show that a significant majority of men—over 80%—who opt to purchase Viagra online or have their prescription filled at local pharmacies report achieving the desired therapeutic effect from this medication. This observation holds true for both those investing in the premium branded version and those opting for the cost-effective generic alternative.

It is crucial to take VIAGRA exactly as prescribed by your healthcare provider. The correct dosage will depend on the individual’s unique condition and response to the medication. For optimal results, it is advised to take your prescribed dose of VIAGRA approximately one hour before the sexual activity with your partner is anticipated. The tablet should be swallowed whole with a glass of water. Furthermore, it is imperative to understand that taking more than one dose in a single day can lead to significant risks, including dangerously low blood pressure.

Patients should also be informed that the timing for the onset of effects from VIAGRA can vary widely from person to person. Typically, users can expect to feel the medication's effects anywhere from 30 minutes to one hour after ingestion. However, it is important to note that consuming a heavy meal prior to taking VIAGRA may delay its effective onset. Generally, taking VIAGRA on an empty stomach can expedite its effects.

Ingredients

Viagra Dosage Information

VIAGRA can be taken with or without food, providing flexibility based on the user’s preferences.

The most commonly recommended dosage for most patients is a 50mg tablet taken approximately one hour before engaging in sexual activity. Some individuals may find that they can take it as soon as 30 minutes prior and still achieve efficacy, while others may prefer to take it up to four hours beforehand.

The dosage may be adjusted to a higher 100mg or lowered to a 25mg based on individual response and in alignment with the physician’s instructions.

It is vital to adhere to the guideline of taking the maximum dose only once a day. Comprehensive dosage information and instructions will typically be included with the printed guidelines provided with your purchase when you choose to order Viagra online or when you collect your prescription at the pharmacy.

Cautions

VIAGRA may not be suitable for all men, particularly those with pre-existing medical conditions that could contraindicate its use. It is imperative for patients to have thorough discussions with their healthcare provider regarding their medical history and any existing conditions before using branded or generic Viagra. Some medical scenarios necessitate additional scrutiny prior to purchase:

  • Usage of any nitrate-containing medications
  • HIV/AIDS or related conditions
  • Presence of irregular heartbeat
  • History of coronary artery disease
  • Previous heart attack, stroke, or other cardiovascular issues
  • Instances of high blood pressure or low blood pressure
  • Penile abnormalities, such as Peyronie's disease or congenital defects
  • History of bleeding disorders
  • Diagnosis of retinitis pigmentosa
  • Medical conditions that may interfere with blood flow, including leukemia, multiple myeloma, sickle cell disease, and thrombocythemia
  • History of priapism
  • Existing heart or vascular diseases
  • Severe renal issues or liver dysfunction

Caution is advised: under no circumstances should individuals increase their dosage of VIAGRA without prior consultation with a qualified healthcare provider.

Side Effects

Although VIAGRA proves beneficial for the majority of users by addressing erectile dysfunction concerns, there exists a possibility of experiencing adverse side effects while using the medication. Like all pharmaceuticals, Viagra carries the potential for side effects, and this is valid in Canada as well. Most side effects are typically mild and temporary; however, some can be serious and warrant immediate medical attention. Patients should proactively communicate with their healthcare professional should they experience any discomfort or negative symptoms while taking Viagra.

Common side effects include but are not limited to:

  • Facial flushing
  • Headache
  • Nasal congestion
  • Stomach discomfort particularly post-meal
  • Abnormal vision (e.g., blurred vision, altered color perception, light sensitivity)
  • Bladder pain
  • Cloudy or bloody urine
  • Dizziness
  • Increased urination or painful urination experiences
  • Diarrhea
  • Vision-related issues like bleeding in the eye
  • Convulsions (seizures)
  • Reduced or double vision and, in rare cases, blindness
  • A blue tint to vision
  • Prolonged, painful, or spontaneous erections (priapism)
  • Eye redness, burning, or swelling
  • Anxiety levels that may fluctuate

It’s important to recognize that interactions with other medications may influence the effects of Viagra, and certain drug combinations are not advised while using this drug. Detailed information about possible drug interactions will be included in the prescribing guidelines accompanying your medication. Always ensure to read through these thoroughly and seek urgent medical care if you experience any adverse effects while taking Viagra, regardless of whether you are concurrently using other medications.

When administered correctly, VIAGRA stands as a reliable and effective treatment for erectile dysfunction in men. Before beginning this medication, it is paramount to consult your physician or healthcare provider to ascertain that it is appropriate for your individual needs.

Dr Conor Sheehy

About Dr. Conor Sheehy (Page Author)

Dr. Sheehy (BSc Molecular Biology, PharmD) is a clinical pharmacist with specialized expertise in cardiology, oncology, and ambulatory care. Holding board certification as a pharmacotherapy specialist (BCPS), his experience working closely with patients to optimize medication and therapy plans enables him to serve as a valuable resource on this subject. Read More....

IMPORTANT NOTE: The information provided above is intended solely for general awareness and educational purposes. It should not be construed as a means to diagnose, treat, or replace professional medical or veterinary advice. Always consult a qualified physician, pharmacist, or veterinarian regarding the safety, suitability, and appropriate application of any medication for yourself or your pet.