 <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]  (such as codeine). Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely. This medication may interfere with certain lab tests (including urine cannabinoid tests), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Efavirenz 400 Mg-Lamivudine 300 Mg-Tenofovir Disoproxil Mg Tablet Lamivudine interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Efavirenz-Lamivudine-Tenofovir Disoproxil Fumarate 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.  Notes Do not share this medication with others. Lab and/or medical tests (such as kidney/liver tests, urine glucose/protein, viral load, </s>