Cenforce 150 mg (sildenafil citrate) can interact with certain medications and medical conditions, potentially causing serious side effects. People who are more likely to experience interactions include those taking: 1. Nitrates (for chest pain or angina) Examples: nitroglycerin, isosorbide mononitrate, isosorbide dinitrate Interaction: Dangerous drop in blood pressure, which can be life-threatening. 2. Alpha-blockers (for high blood pressure or prostate issues) Examples: tamsulosin, doxazosin, alfuzosin Interaction: Can cause low blood pressure, dizziness, or fainting. 3. Other ED medications (PDE5 inhibitors) Examples: tadalafil, vardenafil, sildenafil in other brands Interaction: Increases risk of side effects such as headache, flushing, and hypotension. 4. Certain antifungals and antibiotics Examples: ketoconazole, itraconazole, erythromycin Interaction: Increase sildenafil levels in the blood, raising the risk of side effects like dizziness, flushing, or vision changes. 5. HIV protease inhibitors Examples: ritonavir, Cenforce 150 mg Interaction: Can significantly increase sildenafil levels, increasing side-effect risk. 6. Heart medications affecting rhythm or blood pressure People on antiarrhythmics or other cardiovascular drugs may experience additive blood pressure-lowering effects or irregular heartbeats. Other considerations Severe liver or kidney disease: Reduced metabolism of sildenafil increases side-effect risk. Heart conditions: Recent heart attack, stroke, or unstable angina increase the risk of cardiovascular events. Summary: Anyone taking nitrates, alpha-blockers, other ED medications, certain antifungals/antibiotics, or HIV medications is at higher risk of interactions with Cenforce 150. People with heart, liver, or kidney problems should also exercise caution.