Tadalista 10 mg can cause dizziness in some people. Dizziness is a known side effect of tadalafil, the active ingredient in Tadalista.  Why it can cause dizziness Tadalafil relaxes and widens blood vessels, which can lower blood pressure slightly. This sudden drop in blood pressure can lead to symptoms like: Dizziness Lightheadedness Feeling faint Headache   Common side effects (including dizziness) Headache Flushing Indigestion Nasal congestion Back pain Dizziness   When to seek medical help Get urgent medical help if you experience: Severe dizziness or fainting Chest pain Sudden vision changes Severe headache or sudden weakness   Avoid taking Tadalista 10 mg if: You are using nitrates (e.g., nitroglycerin) You have uncontrolled low blood pressure You have serious heart problems If you want, I can also tell you how common dizziness is, how long it lasts, and what to do to reduce it.