 <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]  the risk of choking. If you are using liquid thickeners with this medication, talk to your pharmacist to select a liquid thickener which will not interact with this medication. It may take 2 to 4 days after you have started this medication to have a bowel movement. Do not increase your dose or take it more often than prescribed. Also, do not use this medication for more than 2 weeks unless directed by your doctor. Tell your doctor if your condition lasts or gets worse. Extended use or overuse may result in dependence on laxatives and chronic constipation. Overuse may cause diarrhea, dehydration, and mineral imbalance (such as low sodium). If you are using nonprescription polyethylene glycol for self-treatment of occasional constipation and this treatment has not worked after 7 days, talk to your doctor for additional treatment advice.The side effects of Gavilax Oral: Nausea, abdominal cramping, or gas may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell </s>