Viafil 200mg Tablet
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What is Viafil 200mg Used For?
- Viafil 200mg is the maximum-strength Sildenafil Citrate tablet by Weefsel Pharma, reserved for:
- Profound Refractory Erectile Dysfunction – Men with severe vascular impairment unresponsive to all lower sildenafil doses.
- Maximum PDE-5 Saturation Therapy – For cases requiring the highest achievable level of PDE-5 inhibition.
- Specialist-Only Use – Never for general self-medication; requires active specialist supervision throughout treatment.
How Does Viafil 200mg Work?
- At 200mg, Sildenafil Citrate provides:
- Double the standard maximum clinical dose, achieving complete PDE-5 saturation across penile vascular smooth muscle.
- Maximum cGMP retention and prolonged corporal vasodilation during sexual stimulation.
- Arousal-dependent mechanism remains — sexual stimulation is mandatory at all doses.
How to Use Viafil 200mg
Dosage: One 200mg tablet 30–60 minutes before sexual activity under specialist care only.
Timing: Onset 30–60 minutes; effects may extend 6–8 hours at this dose level.
Precaution: Extreme dose requiring cardiovascular monitoring. Absolutely contraindicated with nitrates. Alcohol prohibited. Emergency response plan recommended.
Side Effects of Viafil 200mg
Common Side Effects: Severe headache, extreme flushing, pronounced nasal congestion, major GI upset, significant visual disturbances, intense dizziness.
Serious Side Effects (seek emergency help): Life-threatening hypotension with nitrates, priapism, cardiac events, sudden vision or hearing loss.
Viafil Dosage Comparison Guide
| Strength | Best For | Onset | Duration | Link |
|---|---|---|---|---|
| 25 mg | Lower strength option | 30–60 min | 4–6 hrs | View → |
| 50 mg | Standard strength option | 30–60 min | 4–6 hrs | View → |
| 100 mg | Popular strength option | 30–60 min | 4–6 hrs | View → |
| 150 mg | Higher strength option | 30–60 min | 4–6 hrs | View → |
| 200 mg | Maximum strength variant | 30–60 min | 4–6 hrs | Current |
* Always consult your doctor before changing your dosage. This information is for educational reference only.
Drug Interactions — Important Information
| Drug / Substance | Interaction Type | Risk Level | Action Required |
|---|---|---|---|
| Nitrates (e.g., GTN, isosorbide) | Severe hypotension | 🔴 Absolute Contraindication | Do NOT combine — risk of fatal BP drop |
| Other PDE-5 inhibitors | Additive vasodilation | 🔴 Contraindicated | Never combine two PDE-5 inhibitors |
| Alpha-blockers (e.g., tamsulosin) | Additive hypotension | 🟠 Serious | Use only under physician supervision |
| Ritonavir / HIV protease inhibitors | CYP3A4 inhibition — raises sildenafil plasma level | 🟠 Serious | Reduce sildenafil dose; physician supervision required |
| Ketoconazole / Itraconazole | CYP3A4 inhibition | 🟡 Moderate | Avoid or reduce dose |
| Alcohol (heavy use) | Enhances vasodilation | 🟡 Moderate | Limit alcohol consumption |
| Grapefruit juice | CYP3A4 inhibition — slows sildenafil clearance | 🟡 Moderate | Avoid grapefruit while taking sildenafil |
Always inform your doctor about all medications, supplements, and recreational substances you are taking before starting this medication. This list is not exhaustive.
Frequently Asked Questions
Q1: What is Viafil 200mg used for?
Viafil 200mg contains Sildenafil Citrate 200mg — double the standard maximum dose — and is reserved exclusively for men with severe, refractory ED who have failed lower doses under specialist medical supervision.
Q2: Is Viafil 200mg clinically approved?
Standard clinical guidelines do not approve sildenafil doses above 100mg per day. Viafil 200mg is an off-label product used only under specialist medical oversight in exceptional clinical circumstances.
Q3: How long does Viafil 200mg take to work?
Onset is within 30 to 60 minutes. At 200mg, higher peak plasma concentrations may produce faster or more intense initial vascular response, along with greater side effect burden.
Q4: How long do the effects of Viafil 200mg last?
Effects may persist 6 to 8 hours due to the extended high plasma concentration. A strict 24-hour minimum between doses must be maintained under all circumstances.
Q5: What are the critical safety concerns with Viafil 200mg?
Critical concerns include life-threatening hypotension when combined with nitrates or alcohol, cardiac events, severe priapism, and intense systemic vasodilation. This is not a medication for self-administration.
Q6: Who is absolutely contraindicated from Viafil 200mg?
Men on nitrates, alpha-blockers, strong CYP3A4 inhibitors, other PDE-5 inhibitors, those with cardiovascular disease, severe organ impairment, or those without specialist oversight must absolutely not use Viafil 200mg.
Q7: Can Viafil 200mg be combined with alcohol?
No. Alcohol is strictly prohibited with Viafil 200mg. The combined hypotensive effect creates an extreme risk of cardiovascular collapse, life-threatening syncope, and serious injury.
Q8: What emergency care is needed for priapism with Viafil 200mg?
Priapism at 200mg sildenafil is a genuine medical emergency. Go immediately to an emergency room. Treatment involves aspiration of blood from the penis or injection of vasoconstrictors. Delay causes permanent damage.
Q9: Are there safer alternatives to Viafil 200mg?
For severe ED not responding to oral PDE-5 inhibitors at standard doses, specialists recommend intracavernosal alprostadil injections, vacuum erection devices, or surgical implants as safer and more proven alternatives.
Q10: Does Viafil 200mg affect libido?
No. Sildenafil at any dose has no effect on sexual desire or libido. It only facilitates erection during sexual arousal. Low libido requires separate hormonal or psychological evaluation.
Q11: Can Viafil 200mg be taken on an empty stomach?
Yes, and this is preferred for fastest absorption. High-fat meals delay absorption significantly. Grapefruit is absolutely prohibited as it dangerously elevates sildenafil plasma levels.
Q12: Do I need a prescription for Viafil 200mg?
Absolutely yes. Viafil 200mg is an extreme off-label dose that requires specialist prescription, thorough cardiovascular assessment, and ongoing medical monitoring throughout treatment.
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Customer Reviews
Brian K.
Australia · 3 months ago
“Packaging was incredibly discreet. Tablets are sealed with lot number and manufacturing date visible. Genuine product.”
Luke H.
UK · 4 months ago
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Kevin B.
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UK · 2 months ago
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Eric S.
Canada · 3 months ago
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Clinical References
This product information is supported by peer-reviewed clinical evidence:
- Goldstein I, et al. (1998). Oral sildenafil in the treatment of erectile dysfunction. New England Journal of Medicine, 338(20), 1397–1404. [PubMed: 9580646]
- Burnett AL, et al. (2018). Erectile Dysfunction: AUA Guideline. Journal of Urology, 200(3), 633–641. [PubMed: 29746858]
- Hatzimouratidis K, et al. (2010). EAU Guidelines on Male Sexual Dysfunction. European Urology, 57(5), 804–814. [PubMed: 20189712]
- Lue TF. (2000). Erectile Dysfunction. New England Journal of Medicine, 342(24), 1802–1813. [PubMed: 10853004]
Disclaimer
The information provided on Medionix Pharma is intended for general informational purposes only. It should not be considered as medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before using any medication or starting any treatment.
Medionix Pharma does not encourage self-medication. Customers are responsible for ensuring that purchases comply with local laws and prescription requirements in their country. If you have any questions or concerns regarding the content on our website, please contact us at sales@medionixpharma.com.