Serious Side Effects
It is important to call your healthcare provider immediately if you have serious side effects. You can also contact 911 if you have a medical emergency. The serious side effects of Tadalafil include:
- Priapism in men (persistent painful erection).
- Seeing a shade of blue anytime you look at objects
- Difficulties differentiating between the colors green and blue.
- A decrease or loss of vision in one or both eyes
- Loss or decrease in hearing
- Noisy ringing in the ears
- Dizziness
- Low blood pressure. [2]
- Feeling lightheaded or dizzy
- Fainting
- Angina (chest pain) [3]