Cialis, like other medications, can cause side effects. Common side effects include headache, flushing, nasal congestion, and indigestion. These usually are mild and temporary. However, more serious side effects, though rare, require immediate medical attention. These include chest pain, sudden vision loss, or prolonged erection (priapism).
Serious Side Effects
Chest pain suggests a potential heart problem and warrants immediate medical help. Sudden vision loss could indicate a serious condition affecting blood flow to the optic nerve. Prolonged erection (lasting more than four hours) needs urgent medical intervention, as it can cause permanent damage.
Drug Interactions
Cialis interacts with several medications. Specifically, avoid taking it with nitrates (used to treat chest pain), alpha-blockers (used to treat high blood pressure or enlarged prostate), or certain antifungals. These combinations can dangerously lower blood pressure. Always inform your doctor about all medications, supplements, and herbal remedies you are taking before starting Cialis.
Consult Your Doctor
This information is not exhaustive. Before using Cialis, discuss potential side effects and interactions thoroughly with your doctor or pharmacist. They can assess your individual health status and provide personalized advice to minimize risks. They can also help manage any side effects you experience.


