Always discuss potential side effects and interactions with your doctor before starting Cialis. Common side effects include headache, flushing, nasal congestion, and indigestion. Less common, but still possible, are muscle aches, back pain, and vision changes (such as temporary blurred vision or changes in color perception).
Serious Side Effects
Seek immediate medical attention if you experience a prolonged erection (priapism) lasting more than four hours, sudden vision loss, or a sudden hearing loss. These are rare but serious side effects requiring prompt medical intervention.
Drug Interactions
Cialis can interact negatively with certain medications. This is especially true for nitrates (used to treat chest pain) – combining them can cause a dangerous drop in blood pressure. Also, be aware of interactions with certain antifungal medications (like ketoconazole) and HIV protease inhibitors.
Interaction Summary Table
| Nitrates | Severe drop in blood pressure | Do not use Cialis with nitrates. |
| Alpha-blockers | Increased risk of low blood pressure | Discuss with your doctor before combining. |
| Antifungal medications (e. g., ketoconazole) | Increased Cialis levels in the blood | Doctor supervision is recommended. |
| HIV protease inhibitors | Increased Cialis levels in the blood | Doctor supervision is recommended. |
Other Considerations
Inform your doctor about all medications, supplements, and herbal remedies you are taking. This helps them assess potential interactions and ensure your safety. Your doctor can provide personalized advice based on your health history and other factors. Don’t hesitate to ask questions!
