guaifenesin/decongestant/antihistamine - oral (cont.)
HOW TO USE: Take this medication by mouth with a full glass of water unless otherwise directed by your doctor. This medication may be taken with food or milk if stomach upset occurs. If your doctor has prescribed this medication, follow your doctor's directions for taking this medication. If you are self-treating, follow all directions on the product package. To prevent trouble sleeping, do not take this medication close to bedtime. If you are uncertain about any of the information, ask your doctor or pharmacist.If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose. If you are taking a suspension, shake the bottle well before each use.Guaifenesin may have a bitter taste. Swallow capsules and tablets whole. Some tablets may be split if they have a score line and your doctor or pharmacist tells you to do so.Dosage is based on the product you are taking and on your age, medical condition, and response to treatment. Do not increase your dose or take this drug more often than directed.Drink plenty of fluids while taking this medication unless otherwise directed by your doctor. Fluids will help to break up mucus and clear congestion.Caffeine can increase the side effects of this medication. Avoid drinking large amounts of beverages containing caffeine (coffee, tea, colas), eating large amounts of chocolate, or taking nonprescription products that contain caffeine.Tell your doctor if your condition is accompanied by fever, severe sore throat, rash, persistent headache, or if it persists, returns, or worsens after 7 days. These may be signs of a serious medical problem. Seek immediate medical attention if you think you may have a serious medical problem.
SIDE EFFECTS: Drowsiness, dizziness, dry mouth, blurred vision, nausea, trouble sleeping, headache, or constipation may occur. Many of these effects will decrease as your body adjusts to the medication. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.If your doctor has directed you to use this medication, remember that he or she 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 immediately if any of these unlikely but serious side effects occur: mental/mood disorders (such as nervousness, excitement, irritability), fast/pounding/irregular heartbeat, shaking (tremors), difficult/painful urination.Seek immediate medical attention if any of these rare but serious side effects occur: fainting, severe mental/mood changes (such as confusion, hallucinations), seizures.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
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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