Viagra side effects
Erectile Dysfunction
June 25, 2024
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The Ultimate Guide to Understanding the Side Effects of Viagra

Viagra, or Sildenafil, is a prescription medication widely recognised for its effectiveness in treating erectile dysfunction (ED). While it plays a crucial role in improving sexual function, users must be aware of its potential side effects.

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Recap: What is Viagra?

Viagra is a phosphodiesterase type 5 (PDE5) inhibitor, similar to other medications designed to treat ED and sometimes BPH. Its unique advantage lies in its ability to offer a quicker onset of action, providing some flexibility for those planning sexual activity.

Side Effects of Viagra

Viagra's side effects range from mild to severe, influenced by dosage, individual health, and other factors.

Common Side Effects

Headaches: Quite common but usually manageable with over-the-counter pain relievers

Flushing: You might notice your face getting red, thanks to increased blood flow

Indigestion: Sometimes noted by users after taking the medication

Nasal Congestion: A common but manageable issue

Dizziness: Ensuring hydration and sitting or lying down can help manage these moments

Side Effects by Dosage

2 tablets of Pfizer-branded Viagra pills on a mint-green stand

Viagra 25 mg and 50 mg: Often prescribed for those who prefer less potent doses or have specific health considerations, these doses are associated with milder side effects.

Viagra 100 mg: The higher dose, used for more significant ED challenges, may increase the likelihood and intensity of side effects due to its strength.
Specific Side Effects and Concerns

Blood Pressure Variations

Similar to Cialis, Viagra lowers blood pressure by relaxing muscles in blood vessel walls, causing them to widen and improve blood flow. This widening of blood vessels results in decreased blood pressure.

Vision and Hearing

Occasionally, individuals who use Viagra may experience blurred vision or sudden loss of vision, although this is rare. There have been rare instances where users have also experienced a decrease in hearing ability after taking Viagra. It is crucial to seek medical advice promptly if these side effects occur.

Liver and Kidney Effects

For those with pre-existing liver or kidney conditions, Viagra demands careful use, as it's metabolised by these organs.

Psychological and Neurological Effects

As previously mentioned, Viagra can cause headaches and dizziness, which may hinder your ability to concentrate on daily activities or simply enjoy your day. These side effects are typically your body's initial response to the medication.

Long-term Use 

Cardiovascular Health 

Long-term Viagra users should keep an eye on their cardiovascular health, as ongoing use may require close heart monitoring, especially in those with heart conditions or at risk of heart disease.

Adjusting for Efficacy and Dependence

Over time, the body's response to Viagra might change, requiring dosage adjustments. It's also important to be mindful of becoming overly reliant on Viagra for sexual confidence, addressing any psychological dependence with a healthcare provider.

Mixing with Alcohol

A glass of iced whiskey

Alcohol can enhance certain side effects, especially those related to blood pressure. It’s advised to limit alcohol intake to reduce the risk of adverse reactions like dizziness or fainting.

Use with Other Medications

4 pills for treating erectile dysfunction

When considering Viagra as part of your treatment plan, it's essential to understand how it interacts with other medications you might be taking. This ensures not only the effectiveness of Viagra but also your safety.

Nitrates and Alpha-Blockers: These medications, often prescribed for heart conditions and high blood pressure, can cause a significant drop in blood pressure when taken with Viagra. This can lead to symptoms like dizziness, fainting, or even more serious heart-related issues. It's crucial to let your healthcare provider know if you're on these medications before starting Viagra.

Other ED Medications: Using Viagra in combination with other ED treatments, such as Cialis (Tadalafil) or Levitra (Vardenafil), is not recommended. Mixing these can increase the risk of adverse effects, such as excessively low blood pressure or prolonged erections (priapism) that can result in permanent damage to the penis.

PE Medications: For those also dealing with premature ejaculation (PE), combining Viagra with medications like Dapoxetine (a treatment specifically for PE) can be considered under medical guidance. Dapoxetine works by increasing serotonin levels in the nervous system, helping to delay ejaculation. When used together, Viagra and Dapoxetine can address both ED and PE. However, this combination should only be pursued with the approval and supervision of a healthcare provider to manage potential side effects and interactions effectively.

Effects on Specific Groups

The Elderly

Older folks may notice that Viagra stays in their system longer, leading to prolonged effects and potentially increased side effects. This is due to the natural decrease in metabolic rate with age. Healthcare providers often start with the lowest possible dose to gauge effectiveness and tolerance, adjusting as necessary to find the right balance between effectiveness and side effects.

Men with Pre-existing Conditions

Individuals with pre-existing conditions, especially those affecting the liver, kidneys, or heart, may experience more pronounced side effects from Viagra. 

For those with liver or kidney issues, Viagra may not be processed as efficiently, leading to higher concentrations in the blood and increased risk of side effects. 

Patients with heart conditions must be cautious, as the increased blood flow and physical exertion associated with sexual activity can strain the heart. In these cases, a thorough evaluation by a healthcare provider is crucial to determine if Viagra is a safe option.

Managing and Mitigating Side Effects

Lifestyle adjustments and dietary changes can play a significant role in reducing the side effects experienced with Viagra. For example, avoiding heavy meals and alcohol before taking Viagra can help minimise indigestion and flushing. 

Staying hydrated may alleviate headaches, and avoiding activities that could worsen dizziness until you know how Viagra affects you can also be helpful. Open communication with healthcare providers is key—they can offer strategies tailored to your lifestyle and specific side effects, ensuring that Viagra remains effective and tolerable.

Uncommon and Rare Side Effects

Immediate medical attention is required for any severe allergic reactions to Viagra, such as difficulty breathing, swelling of the face, lips, tongue, or throat. Symptoms of priapism, a prolonged and painful erection lasting more than 4 hours, also necessitate urgent care to prevent permanent damage. 

Although these side effects are rare, being aware of them and knowing when to seek help is crucial for safely using Viagra.

Risks of Counterfeit Viagra

(IMAGE COURTESY OF BLOOMBERG)

The risk of encountering fake Viagra highlights the importance of purchasing from reputable sources. Counterfeit products may contain incorrect dosages, the wrong ingredients, or harmful additives, posing significant health risks. 

Always buy Viagra from accredited pharmacies or verified online retailers, and consult with a healthcare provider if you're unsure about the authenticity of your medication.

Comparison with Other ED Medications

Viagra vs. Cialis

Onset and Duration

Viagra typically works within 30 to 60 minutes and is effective for up to 4-5 hours, making it ideal for those who plan sexual activity ahead of time.

Cialis has a longer onset time, up to 2 hours, but lasts significantly longer, up to 36 hours (depending on the dosage), offering more flexibility and spontaneity.

Side Effect Profiles

Both Viagra and Cialis share common side effects like headaches, flushing, and indigestion. However, Cialis might cause back pain and muscle aches, which are less common with Viagra.

Suitability

Viagra is suited for those who prefer precise timing of sexual activity.

Cialis is better for individuals seeking a longer window of effectiveness without the need for precise timing.

Health Considerations

Viagra and Cialis both require caution in individuals with cardiovascular conditions but may be chosen based on how their duration of action aligns with individual health needs.

A healthcare provider's input is essential to navigate potential interactions with other medications and pre-existing conditions.

Viagra vs. Spedra (Avanafil)

Onset and Duration

Spedra is known for its fast onset, working as quickly as 15-30 minutes after taking, with effectiveness lasting around 4-6 hours.

Viagra, while effective within 30 to 60 minutes, offers a similar duration of action but may not work as quickly as Spedra for some individuals.

Side Effect Profiles

Spedra tends to have  similar side effects as Viagra, but is often reported to have fewer side effects due to its more selective action in the body.

Common side effects for both include headaches, flushing, and nasal congestion, but Spedra may offer a slight advantage in terms of lower incidence of side effects in some users.

Suitability

Spedra can be an excellent option for those seeking a quicker onset of action with potentially fewer side effects, making it suitable for spontaneous occasions.

Viagra remains a reliable choice for many, with its well-established profile and effectiveness.

Health Considerations

Like Viagra, Spedra requires careful consideration for use in individuals with certain health conditions, especially those related to heart health.

Consulting with a healthcare provider is crucial to determine the most suitable option, considering the fast action of Spedra versus the known efficacy of Viagra.

If you're struggling with erectile dysfunction, it's essential to consult with a medical expert for guidance. At noah™, our team of doctors is exceptionally knowledgeable and experienced in pinpointing the root causes of ED. 

They will offer you expert recommendations on the best treatment options that are specifically tailored to your individual needs. If required, they can also prescribe the appropriate medication to support you in overcoming ED.

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Written by our Editorial Team
Last updated
25/6/2024
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