Description
Description: Pfizer Viagra 100MG is a well-known medication manufactured by Pfizer, containing sildenafil as the active substance. Each box contains 4 film-coated tablets, with each tablet providing 100 milligrams of sildenafil. Viagra is primarily used to treat erectile dysfunction (ED) in men by enhancing erectile response when a man is sexually stimulated.
Active Substance: Sildenafil citrate is a phosphodiesterase type 5 (PDE5) inhibitor. It works by increasing blood flow to the penis during sexual stimulation, helping to achieve and maintain an erection sufficient for sexual activity.
Indications: Viagra 100MG is indicated for the treatment of erectile dysfunction (ED), which is the inability to achieve or maintain an erection adequate for satisfactory sexual performance. It is effective in men with ED regardless of the underlying cause.
Mechanism of Action:
- Sildenafil inhibits the PDE5 enzyme, which is responsible for the degradation of cyclic guanosine monophosphate (cGMP).
- Increased levels of cGMP lead to relaxation of smooth muscle and increased blood flow to the corpus cavernosum, resulting in an erection.
- The effect of sildenafil is dependent on sexual stimulation, as this causes the initial release of nitric oxide (NO) and subsequent increase in cGMP levels.
Administration:
- Viagra 100MG is administered orally, typically with water.
- The recommended starting dose is one 100 mg tablet taken approximately one hour before sexual activity.
- Viagra can be taken with or without food; however, a high-fat meal may delay its onset of action.
- The maximum recommended dosing frequency is once per day.
Monitoring:
- Patients using Viagra should be monitored for efficacy and any adverse effects.
- It is important to follow up with a healthcare provider to adjust the dose if necessary and to discuss any concerns or side effects.
Side Effects: Common side effects associated with the use of Viagra may include:
- Headache
- Flushing
- Dyspepsia (indigestion)
- Nasal congestion
- Dizziness
- Visual disturbances (e.g., changes in color vision, blurred vision)
Serious but rare side effects may include:
- Priapism (prolonged and painful erection)
- Sudden hearing loss
- Sudden vision loss in one or both eyes
Precautions:
- Viagra should not be used by individuals taking nitrates for chest pain, as this can cause a dangerous drop in blood pressure.
- It should be used with caution in patients with cardiovascular disease, severe liver impairment, severe kidney impairment, or retinitis pigmentosa.
- It is important to inform the healthcare provider about all medications, including over-the-counter drugs and herbal supplements, as they may interact with sildenafil.
Consultation with Healthcare Professional:
- The use of Viagra should be discussed with a qualified healthcare professional, typically a urologist or primary care physician.
- A thorough medical evaluation should be conducted to determine the underlying cause of erectile dysfunction and to discuss potential risks and benefits before starting Viagra therapy.
Pfizer Viagra 100MG (Film-coated Tablets Sildenafil) is a highly effective treatment for erectile dysfunction, providing reliable improvement in erectile function for men. Its use involves careful adherence to dosage and administration guidelines to ensure maximum efficacy and safety.
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