 <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] , 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: fast/irregular heartbeat, severe dizziness, fainting.  Notes Do not share this medication with others. Lab and/or medical tests (such as kidney/liver function, urine glucose/protein, viral load, test for hepatitis B virus, T-cell counts, blood mineral levels, bone density tests) should be done before you start taking this medication and while you are taking it. Keep all medical and lab appointments.  Missed Dose If you miss a dose and it is within 12 hours of the time you usually take the dose, take it with food as soon as you remember. If it is more than 12 hours from the time you usually take the dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.  Storage Store at room temperature away from light and moisture. Store this drug in its original bottle. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down the toilet or </s>