Viagra: Restore Confidence with Reliable Erectile Function
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| Product dosage: 50mg | |||
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Synonyms | |||
Similar products
Viagra (sildenafil citrate) is a prescription phosphodiesterase type 5 (PDE5) inhibitor specifically formulated for the treatment of erectile dysfunction (ED). It represents a cornerstone of modern urological and sexual medicine, offering a well-researched, clinically proven pharmacological solution to facilitate blood flow to the penile tissues. By inhibiting the PDE5 enzyme, it enhances the natural nitric oxide-mediated vasodilation process, which is crucial for achieving and maintaining an erection sufficient for satisfactory sexual activity. Its efficacy and safety profile have been established through extensive global clinical trials and decades of real-world use.
Features
- Active Pharmaceutical Ingredient: Sildenafil citrate.
- Standard available dosages: 25 mg, 50 mg, and 100 mg film-coated tablets.
- Rapid onset of action, typically within 30 to 60 minutes post-administration.
- Duration of therapeutic effect can last up to 4-5 hours, providing a sufficient window for sexual activity.
- Requires sexual stimulation for the pharmacological effect to be initiated.
- Manufactured under strict Good Manufacturing Practice (GMP) standards to ensure purity and consistent potency.
Benefits
- Achieves clinically significant improvement in erectile function, enabling successful sexual intercourse.
- Enhances overall sexual satisfaction and confidence for both the individual and their partner.
- Provides a predictable and reliable therapeutic window, allowing for spontaneity in sexual activity.
- Addresses the physiological component of ED, which can help reduce performance-related anxiety.
- Supported by a vast body of long-term clinical data confirming its sustained efficacy and tolerability.
Common use
Viagra is indicated for the treatment of erectile dysfunction, a condition characterized by the consistent or recurrent inability to achieve and/or maintain a penile erection sufficient for satisfactory sexual performance. It is used on an as-needed basis by adult males. Its mechanism is not aphrodisiac; it requires psychogenic or physical sexual stimulation to facilitate the erectile response. It is applicable for ED of various etiologies, including vasculogenic, neurogenic, and psychogenic origins, and following radical prostatectomy.
Dosage and direction
The recommended starting dose for most patients is 50 mg taken approximately one hour before anticipated sexual activity. Based on efficacy and tolerability, the dose may be increased to a maximum recommended dose of 100 mg or decreased to 25 mg. Dosing may be adjusted by a healthcare provider based on individual patient response and side effects. The dosing frequency should not exceed once per day. The tablet should be taken orally with a glass of water. It can be taken with or without food; however, a high-fat meal may delay the absorption of the drug and slow the time to onset of effect.
Precautions
- A comprehensive medical history and physical examination should be conducted to diagnose ED, determine potential underlying causes, and identify appropriate treatment options before prescribing Viagra.
- Patients should be made aware that Viagra offers no protection against sexually transmitted diseases.
- Use with caution in patients with anatomical deformation of the penis (e.g., angulation, cavernosal fibrosis, or Peyronie’s disease) or conditions that may predispose them to priapism (e.g., sickle cell anemia, multiple myeloma, or leukemia).
- Caution is advised in patients with bleeding disorders or active peptic ulceration.
- Non-arteritic anterior ischemic optic neuropathy (NAION) has been reported post-marketing in temporal association with the use of PDE5 inhibitors. Patients who have experienced NAION in one eye are at an increased risk of NAION in the other eye.
- Sudden decrease or loss of hearing has been reported. Patients should seek immediate medical attention in these events.
- Patients with cardiovascular risk factors should be assessed for cardiovascular status before engaging in sexual activity, as sexual activity carries a potential cardiac risk.
Contraindications
- Concomitant administration of any form of organic nitrate, either regularly or intermittently, is absolutely contraindicated. This includes nitroglycerin, isosorbide mononitrate, and isosorbide dinitrate, as well as recreational drugs known as “poppers” which contain organic nitrates.
- Hypersensitivity to sildenafil or any of the excipients in the formulation.
- Concomitant use with guanylate cyclase stimulators, such as riociguat. PDE5 inhibitors may potentiate the hypotensive effects of riociguat.
- Men for whom sexual activity is inadvisable due to underlying cardiovascular pathology.
Possible side effect
Like all medicines, Viagra can cause side effects, although not everybody gets them. Most are mild to moderate and transient. Common side effects include:
- Headache
- Flushing
- Dyspepsia (indigestion)
- Nasal congestion
- Dizziness
- Visual disturbances (e.g., color tinge to vision, blurred vision, increased sensitivity to light) Less common side effects include:
- Back pain
- Myalgia (muscle pain)
- Nausea
- Rash Rare but serious side effects require immediate medical attention and include:
- Priapism (a prolonged and painful erection lasting more than 4 hours)
- Sudden loss of vision in one or both eyes
- Sudden decrease or loss of hearing
- Allergic reactions (skin rash, itching, difficulty breathing, swelling of the face, lips, or throat)
- Chest pain during or after sexual activity
Drug interaction
The most critical drug interaction is with organic nitrates, which is an absolute contraindication due to the risk of life-threatening hypotension. Significant interactions also exist with:
- Alpha-blockers (e.g., doxazosin, tamsulosin): Concomitant use can lead to symptomatic hypotension. A separation in dosing time may be required, and initiation of Viagra in patients on stable alpha-blocker therapy should begin at the 25 mg dose.
- Potent CYP3A4 inhibitors: Drugs like ritonavir, ketoconazole, itraconazole, and clarithromycin can significantly increase sildenafil plasma concentrations. A maximum dose of 25 mg of Viagra within a 48-hour period is recommended if co-administered.
- Other antihypertensive agents: Viagra may add to the blood-pressure-lowering effects of other drugs used to treat hypertension.
- Alcohol: Excessive consumption can increase the risk of orthostatic hypotension, dizziness, and increased heart rate.
Missed dose
Viagra is not intended for chronic daily dosing and is taken on an as-needed basis. Therefore, the concept of a “missed dose” does not apply. It should only be taken when planned sexual activity is anticipated. Do not take an extra dose to make up for a missed opportunity.
Overdose
In cases of overdose, the expected clinical findings would be an extension of the drug’s known adverse effects, primarily related to vasodilation. Symptoms could include severe hypotension, syncope, prolonged erection, and visual disturbances. Standard supportive measures should be employed as required. Given that sildenafil is highly protein-bound, it is not expected to be dialyzable. Management of priapism constitutes a urological emergency and may require corporal irrigation and intervention by a specialist.
Storage
Store Viagra tablets at room temperature between 20°C to 25°C (68°F to 77°F). Excursions are permitted between 15°C and 30°C (59°F and 86°F). Keep the medication in its original blister pack or container to protect it from light and moisture. Keep all medicines out of the sight and reach of children. Do not use medicine after the expiration date printed on the pack.
Disclaimer
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or before starting any new treatment. Never disregard professional medical advice or delay in seeking it because of something you have read here. The information provided does not cover all possible uses, directions, precautions, drug interactions, or adverse effects.
Reviews
“After a prostatectomy, I was advised by my urologist to try Viagra. The 50mg dose has been effective in restoring function. The side effect of mild flushing is noticeable but a fair trade-off for the results.” – M.B., 62 “Extensive discussion with my cardiologist confirmed it was safe for me to use given my controlled hypertension. It works reliably about 45 minutes after taking it. The key for me was managing expectations—it’s not a magic pill, it requires stimulation, but it does its job well.” – A.S., 58 “I experienced a severe headache with the 100mg dose. My doctor recommended stepping down to 25mg, which is less effective for me but far more tolerable. It’s important to work with your doctor to find the right balance.” – R.K., 51