Quick Summary
Tadalafil (Cialis) is generally well tolerated, but like all PDE5 inhibitors it may cause side effects. Most are mild and temporary, while serious reactions are rare.
- Most common: headache, flushing, nasal congestion
- Less common: back pain, muscle aches, dizziness
- Rare but serious: vision changes, chest pain, prolonged erection
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Types of Side Effects
Common
Mild Reactions
- Headache
- Flushing
- Nasal congestion
- Indigestion
Less Common
Body Effects
- Back pain
- Muscle aches
- Dizziness
- Fatigue
Rare
Serious Effects
- Vision changes
- Chest pain
- Priapism (prolonged erection)
- Hearing changes
Safety Information
- Avoid use with nitrates (risk of severe blood pressure drop)
- Use caution with heart conditions
- Alcohol may increase side effects
- Do not exceed prescribed dose
How to Reduce Side Effects
- Start with the lowest effective dose
- Avoid heavy alcohol intake
- Stay hydrated
- Follow prescribed timing and dosage
When to Seek Medical Help
Stop using tadalafil and seek immediate medical attention if you experience:
- Chest pain or fainting
- Sudden vision or hearing loss
- Erection lasting longer than 4 hours
FAQ
The most common side effects are headache, flushing, and nasal congestion.
Most side effects are mild and temporary. Serious reactions are rare but require medical attention.
Mild side effects usually last a few hours and resolve as the medication wears off.
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