Well it messes with your blood pressure so yes it can make your ears ring
Common side effects of daily tadalafil (Cialis) 2.5–5 mg include:
- **Headache**
- **Back pain**
- **Muscle aches**
- **Flushing (warmth/redness of face, neck)**
- **Nasal congestion or runny nose**
- **Indigestion or dyspepsia**
- **Joint pain**
- **Dizziness**
Less common but important/serious effects (seek medical attention):
- **Chest pain, severe dizziness, fainting**
- **Sudden vision loss or changes**
- **Sudden hearing loss or ringing in ears**
- **Priapism (erection lasting >4 hours)**
Precautions (brief):
- Avoid if taking nitrates or nicorandil (dangerous drop in blood pressure).
- Use caution with alpha-blockers, some antihypertensives, and certain CYP3A4 inhibitors (drug interactions).
- Discuss heart disease, stroke, low blood pressure, or severe liver/kidney disease with a clinician before starting.