 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  dosing schedule. Apple juice and orange juice may prevent your body from fully absorbing atenolol. It is best to avoid drinking apple/orange juice within 4 hours of taking this medication, unless your doctor or pharmacist tells you otherwise. The dosage is based on your medical condition and response to treatment. Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. If you also take certain drugs to lower your cholesterol (bile acid-binding resins such as cholestyramine or colestipol), take this product at least 2 hours before or at least 4 hours after these medications. It may take several weeks before you get the full benefit of this medication. Keep taking this medication even if you feel well. Most people with high blood pressure do not feel sick. Tell your doctor if your condition does not improve or if it worsens (for example, your routine blood pressure readings remain high or increase).The side effects of Tenoretic 50 Oral: See also Warning and Precautions sections. Dizziness, lightheadedness, tiredness, nausea, and diarrhea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To </s>