Fildena Chewable 100 mg contains sildenafil citrate, used to treat erectile dysfunction. Mixing it with alcohol can increase the risk of side effects and reduce effectiveness. Some people should be especially cautious or avoid alcohol entirely while taking it: 1. People with Heart Conditions Alcohol can lower blood pressure, and sildenafil also dilates blood vessels. Combining them may cause dizziness, fainting, or heart complications. 2. People Taking Nitrates Nitrates (for chest pain/angina) + sildenafil + alcohol = dangerous drop in blood pressure, which can be life-threatening. 3. People with Liver or Kidney Problems Alcohol stresses the liver Fildena Chewable 100 mg kidneys, which can interfere with drug metabolism and increase side effects. 4. Older Adults Blood pressure fluctuations and dizziness are more pronounced in people over 65 when alcohol is consumed with sildenafil. 5. People Prone to Dehydration or Low Blood Pressure Alcohol can worsen dehydration and hypotension, increasing the risk of headaches, dizziness, and fainting.  Limit alcohol intake while taking Fildena. If drinking, keep it moderate (small amounts) and avoid heavy drinking around the time you take the medication.