Question 1

Can Cialis cause back pain?

Accepted Answer

Yes, back pain is a common side effect, affecting up to 1 in 10 men. It's usually mild and goes away within 24‑48 hours.

Question 2

Does Cialis affect vision?

Accepted Answer

Rarely. Some men report blurred vision or eye pain. Sudden vision loss is very rare – stop taking and seek emergency help if it occurs.

Question 3

How long does Cialis headache last?

Accepted Answer

Headache from Cialis usually lasts a few hours to a day. It can be managed with over‑the‑counter pain relief (avoid nitrates).

Question 4

Can I drink alcohol while taking Cialis?

Accepted Answer

Moderate alcohol is fine, but excessive drinking can increase dizziness and may reduce the medication's effectiveness.

Question 5

What should I do if I get a painful erection that won't go away?

Accepted Answer

This is priapism – a medical emergency. Go to A&E immediately if your erection lasts more than 4 hours.