Viagra

Viagra (Sildenafil)

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Description

Viagra Uses and Indications:

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

VIAGRA is a well-known prescription medication formulated to assist men in achieving and maintaining an erection when sexually stimulated, thereby allowing them to continue enjoying intimate moments with their partner. This medication functions by enhancing blood circulation to the penis, facilitating more significant rigidity to an existing erection. Importantly, it should be noted that Viagra assists only in enhancing an existing erection but does not initiate one on its own. Health Canada has approved its sale through pharmacies, enabling eligible individuals to obtain Viagra online with a valid prescription from their healthcare provider.

Choosing between generic Viagra and branded Viagra can be a crucial decision for many men facing erectile dysfunction. Generic Viagra is often considered a viable alternative, as it reportedly provides nearly identical efficacy to the branded version. One of the main advantages of opting for generic Viagra is its lower cost, which makes it accessible for those looking for an effective solution to their erectile dysfunction issues without breaking the bank. When obtaining a prescription, you can request either version based on your preferences and your doctor's recommendations.

It’s essential to understand that both generic and branded Viagra come with the same safety guidelines and usage protocols in place. The fact that generic Viagra is available implies it has received all necessary approvals from Health Canada, ensuring its safety and reliability.

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

Statistically, around 80% of men who procure Viagra either online or at their local pharmacy report significant benefits from taking this medication. This trend holds true for those opting for the more economical generic version as well. Following your healthcare provider's instructions precisely is essential when it comes to taking VIAGRA. The appropriate dosage can differ among individuals depending upon various factors, including the specific medical condition and individual response to the medication.

It is generally advised to take your prescribed dose of VIAGRA approximately one hour prior to engaging in sexual activity. When taking the tablet, swallow it whole with a glass of water. Importantly, you should refrain from taking more than one VIAGRA dose in a 24-hour period, as exceeding this can dramatically increase the risk of experiencing dangerously low blood pressure.

Patients should also note that the onset of actions from VIAGRA can vary from person to person. For most individuals, the effects typically manifest within 30 minutes to 1 hour. However, those who consume a heavy meal may find that it takes longer for the medication to take effect. For optimal results, it is suggested to take VIAGRA on an empty stomach.

Ingredients

Viagra Dosage Information

VIAGRA can be taken with or without food depending on your preference and recommendations. Most commonly, the suggested dosage for patients begins with a 50mg tablet, to be taken roughly one hour before sexual activity. Some individuals may find it effective to take VIAGRA as soon as 30 minutes before intimacy, while others might discover that taking it up to 4 hours prior works best for them.

Depending on your response to the medication and under your doctor's guidance, your dosage may be adjusted up to 100mg or down to 25mg. It's important to emphasize that the maximum recommended dosage is one pill per day, and detailed information regarding specific dosing instructions will accompany your purchase of Viagra, be it through an online order or in-person at the pharmacy.

Cautions

It’s critical to understand that VIAGRA may not be suitable for all men, often due to underlying medical conditions that could interfere with the medication's effectiveness or cause significant health risks. Before using either the branded or generic form of Viagra, it is advisable to discuss any pre-existing medical conditions with your healthcare provider. Notable conditions to bring up may include:

  • Current use of any nitrate medications
  • HIV/AIDS
  • Irregular heartbeat
  • Coronary artery disease
  • Personal history of heart attack, stroke, or other cardiovascular issues
  • Hypertension or hypotension issues
  • Physical abnormalities of the penis, such as a curved shape or genetic defects
  • Blood clotting issues
  • Retinitis pigmentosa
  • Conditions that result in thickened blood or impeded blood flow, including leukemia, multiple myeloma, sickle cell disease, and thrombocythemia
  • Priapism (a painful erection lasting more than 4 hours)
  • Cardiovascular or blood disorders
  • Severe liver or kidney dysfunctions

Important: Do not increase your dosage of VIAGRA without first consulting your healthcare provider.

Side Effects

While VIAGRA is known to help many patients resolve their erectile dysfunction, it is crucial to recognize that some side effects may occur with its use. Like all medications, Viagra carries the potential for adverse side effects, and while most are mild and transient, a few may require immediate medical attention. If you experience any unusual symptoms while taking Viagra, you should reach out to your healthcare professional without delay.

Side effects can range from common to less common, including:

  • Facial flushing
  • Headaches
  • Congestion in the nasal passages
  • Stomach discomfort following meals
  • Visual disturbances (e.g., blurred vision, altered color perception, light sensitivity)
  • Discomfort or pain in the bladder
  • Presence of cloudy or bloody urine
  • Dizziness
  • Increased frequency of urination or pain during urination
  • Diarrhea
  • Eye bleeding
  • Seizures
  • Vision changes, including reduced or double vision, and in extreme cases, potential blindness
  • A blue tint to vision
  • Prolonged or painful erections (priapism)
  • Redness, burning, or swelling of the eyes
  • Feelings of anxiety

Interactions with other medications can modify the effects of Viagra, so be sure to consult the medication's guidelines distributed with your prescription for any potential drug interactions. Always read these instructions thoroughly and do not hesitate to seek immediate medical attention if you feel unwell while taking this medication—regardless of whether you are combining it with other medications.

When utilized as directed, VIAGRA presents a safe and effective approach to addressing erectile dysfunction in men. Prior to starting this medication, please consult your healthcare provider to ensure that it is the right choice for your individual health needs.

Dr Conor Sheehy

About Dr. Conor Sheehy (Page Author)

Dr. Sheehy (BSc Molecular Biology, PharmD) is a clinical pharmacist with expertise in the areas of cardiology, oncology, and outpatient care. He is a board-certified pharmacotherapy specialist (BCPS), and his experience working closely with patients allows him to fine-tune their medication and therapy plans for maximum effectiveness, making him an invaluable expert for our pharmacy.

IMPORTANT NOTE: The information provided above is for general awareness and educational purposes only. It is not intended to diagnose, treat, or replace professional medical or veterinary advice. Always consult your physician, pharmacist, or veterinarian regarding the safety, suitability, and proper use of any medication for yourself or your pet.