Consult your doctor before using sildenafil, especially if you have heart problems, high or low blood pressure, or liver/kidney disease. Sildenafil can interact with certain medications, so provide your doctor with a complete list of your current prescriptions and over-the-counter drugs.
Common Side Effects
- Headache Facial flushing Nasal congestion Upset stomach Visual disturbances (blurred vision, changes in color perception)
These side effects are usually mild and temporary. If they persist or worsen, seek medical attention immediately.
Less Common but Serious Side Effects
Rarely, sildenafil can cause more serious side effects, requiring immediate medical help. These include:
- Prolonged erection (priapism) Sudden vision loss Sudden hearing loss Heart attack or stroke
Precautions
Avoid grapefruit juice, as it can increase sildenafil levels in your blood. Don’t exceed the recommended dosage. Overdosing can increase the risk of side effects. Avoid alcohol consumption while using sildenafil, as it can exacerbate side effects. Inform your doctor about any pre-existing medical conditions or allergies. Sildenafil is not intended for women or individuals under 18 years of age.
Specific Interactions
Sildenafil interacts negatively with nitrates (often used for chest pain). Combining them can cause a dangerous drop in blood pressure.
When to Seek Medical Attention
Contact your doctor immediately if you experience any concerning side effects, particularly those listed under “Less Common but Serious Side Effects.” Early intervention is key.
