Important Safety Information for Tadalafil (Generic for Cialis®)
What is tadalafil?
Tadalafil is a prescription medication used to treat erectile dysfunction (ED) in adult men. It enhances blood flow to the penis to help achieve and maintain an erection and offers long-lasting effects (up to 36 hours).
Who Should Not Take tadalafil?
Do not take tadalafil if you:
- Are allergic to Tadalafil 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 tadalafil
Inform your healthcare provider 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 condition affecting the shape of the 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
- Back pain or muscle aches
- Flushing
- Nasal congestion
- Indigestion
Rare but serious side effects include:
- Sudden loss of vision or hearing
- Chest pain, dizziness, or nausea during sex
- Prolonged erections lasting more than 4 hours (priapism)
Drug Interactions
tadalafil may interact with certain medications, including:
- Nitrates (e.g., nitroglycerin)
- Alpha-blockers (used to treat high blood pressure or prostate issues)
- Antifungal medications
- HIV protease inhibitors
- Other ED medications or treatments for pulmonary hypertension
How to Take tadalafil
Take Tadalafil as directed by your doctor, typically 30 minutes before sexual activity. The effects can last up to 36 hours, allowing flexibility in timing. Do not take more than one dose per day.
Warnings
- Avoid excessive alcohol consumption, as it can increase the risk of side effects like dizziness or low blood pressure.
- Do not take Tadalafil with grapefruit or grapefruit juice, as it may increase the medication's side effects.
- Use only under the supervision of a licensed healthcare provider.
When to Seek Immediate Medical Attention
Stop use and seek medical attention immediately if you experience:
- Sudden vision or hearing loss
- Chest pain or discomfort during sexual activity
- An erection lasting longer than 4 hours