guaifenesin/oxtriphylline liquid-oral (cont.)
DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take, including: medications for breathing disorders, lithium, propranolol, digoxin, water pills, phenobarbital, cimetidine, erythromycin, St John's wort. Cigarette smoking affects the potency of this medication. It is important for your doctor to know if you smoke. Also notify your doctor if you start or stop smoking while taking this medication since a dose adjustment may be necessary. Avoid drinking caffeine-containing beverages (coffee, tea, colas) and eating large amounts of chocolate. Caffeine is similar to the active ingredient in this medication thus, the risk of side effects may be increased. 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 headache, vomiting, fast heartbeat, restlessness, and seizures.
NOTES: Blood tests will be done periodically to check the blood level of this medication. Your dose will be adjusted as needed to maintain the proper level. Blood levels that are too high cause side effects and blood levels too low are not effective in helping breathing problems.
MISSED DOSE: If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.
STORAGE: Store at room temperature between 59 and 86 degrees F (between 15 and 30 degrees C) away from heat and light. Do not store in the bathroom.
Last Editorial Review: 3/2/2005
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