 <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]  or NSAIDs such as ibuprofen/naproxen). This medication may interfere with certain lab tests (such as glaucoma screening test, cardiovascular stress testing using arbutamine), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Propranolol Capsule, Extended Release 24 Hr (Capsule, ER Hr) interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Propranolol Oral: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include unusually slow heartbeat, severe dizziness, slow or shallow breathing, weakness, or fainting.  Notes Do not share this medication with others. Lifestyle changes such as stress reduction programs, exercise and dietary changes may increase the effectiveness of this medicine. Talk to your doctor or pharmacist about lifestyle changes that might benefit you. Have your blood pressure and pulse checked regularly while taking this medication </s>