hyoscyamine-oral (cont.)
PRECAUTIONS: Tell your doctor your medical history, especially of: heart problems, glaucoma, stomach/abdominal/intestinal problems, prostate or urinary problems, contact lens wear, any allergies. Contact lens wearers may need to use appropriate lubricating solutions if this medication causes dry eyes. Because this medication may cause drowsiness, use caution when driving or performing tasks requiring alertness. This medication can reduce sweating, leading to heatstroke in hot weather. Avoid strenuous activity in hot weather Elderly patients should use this medication with caution because they may be more sensitive to its effects. Children should use this medication with caution because they may be more sensitive to its effects. Hyoscyamine should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This drug may be excreted into breast milk. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Tell your doctor of all the medicines you may use (both prescription and nonprescription), especially of: antacids, digoxin, psychiatric drugs (e.g., phenothiazines such as chlorpromazine, and butyrophenones such as haloperidol), ketoconazole or itraconazole, potassium supplements, drugs for Parkinson's disease, certain heart medicines (e.g., disopyramide, procainamide, quinidine), tricyclic antidepressants (e.g., amitriptyline), amantadine, MAO inhibitors (e.g., furazolidone, linezolid, moclobemide, phenelzine, procarbazine, selegiline), other anticholinergics (e.g., atropine). Also report use of drowsiness-causing drugs, including: sleep medications, tranquilizers, sedatives, narcotic pain relievers (e.g., codeine), muscle relaxants. Antihistamines are found in many nonprescription and prescription medications. Check your medication labels carefully, and ask your pharmacist about the safe use of these products. Do not start or stop any medicine without doctor or pharmacist approval.
OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include unusually dry mouth; excessive thirst; nausea; vomiting; difficulty breathing; blurred vision; dilated pupils; flushed, hot, dry skin; muscle weakness; unusual dizziness or drowsiness; restlessness; disorientation; and seizures.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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