 <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]  into the WebMD interaction checker Check InteractionThe overdose of Lactulose 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: severe stomach cramps, diarrhea.  Notes If you are using this medication for liver disease, your doctor may direct you to follow a low-protein diet. Follow any dietary guidelines recommended by your doctor or dietician. Do not share this product with others. If you use this product for a long time, lab and/or medical tests (such as blood mineral levels) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.  Storage Store between 36-86 degrees F (2-30 degrees C) away from light </s>