Important Safety Information for Sidenafil (Generic for Viagra®)

What is sildenafil?

Sildenafil Citrate is a prescription medication used to treat erectile dysfunction (ED) in adult men by increasing blood flow to the penis during sexual stimulation.

Who Should Not Take sildenafil?

Do not take sildenafil if you:

• Are allergic to Sildenafil or any of its ingredients.
• Take nitrates (e.g., nitroglycerin) for chest pain, as the combination can cause a dangerous drop in blood pressure.
• Use recreational drugs called "poppers" containing amyl or butyl nitrite.
• Have been advised by your doctor to avoid sexual activity due to heart problems.

Before Taking sildenafil

Inform your doctor if you:

• Have heart problems such as angina, irregular heartbeat, or a history of heart attack or stroke.
• Have high or low blood pressure.
• Have liver or kidney problems.
• Have a physical condition affecting the shape of your penis (e.g., Peyronie’s disease).
• Have retinitis pigmentosa or other eye conditions.
• Have a bleeding disorder or stomach ulcers.

Potential Side Effects

Common side effects may include:

• Headache
• Flushing
• Indigestion
• Nasal congestion
• Dizziness
• Blurred vision or changes in color vision

Rare but serious side effects include:

• Sudden loss of vision or hearing
• Prolonged or painful erections lasting more than 4 hours (priapism)
• Chest pain, nausea, or dizziness during sex (stop and seek medical attention immediately).

Drug Interactions

sildenafil may interact with certain medications, including:

• Nitrates (e.g., nitroglycerin)
• Alpha-blockers for high blood pressure
• Antifungal medications
• HIV protease inhibitors
• Other medications for ED or pulmonary hypertension

How to Take sildenafil

Take Sildenafil as directed by your doctor, typically 30–60 minutes before sexual activity. Do not take more than one dose per day.

Warnings

• Avoid alcohol, as it can reduce the effectiveness of the medication.
• Do not take Sildenafil with grapefruit or grapefruit juice, as it may increase side effects.
• Only take Sildenafil if prescribed by a licensed healthcare provider.

When to Seek Immediate Medical Attention

• If you experience chest pain, sudden vision or hearing loss, or an erection lasting more than 4 hours, seek immediate medical attention.
• Ensure this information aligns with your product's official labeling and FDA-approved guidelines. Consult a healthcare professional or legal team before finalizing the content for publication.