 <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] 5 milligrams in 24 hours. Children aged 2 to 12 years should not take more than 0.75 milligrams in 24 hours. Ask your doctor or pharmacist for more information. Antacids lower the absorption of hyoscyamine. If you use antacids, take them after meals and take hyoscyamine before meals; or take antacids at least 1 hour after taking hyoscyamine. Drink plenty of fluids while taking this medication unless your doctor directs you otherwise. Tell your doctor if your condition lasts or gets worse.The side effects of Symax-SL Sublingual: Dizziness, drowsiness, blurred vision, dry mouth, headache, trouble sleeping, constipation, flushing, dry skin, and decreased sweating may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water or use a saliva substitute. Remember that this medication has been prescribed because 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 your doctor right away if </s>