guaifenesin/phenylephrine - oral, Endal, Numonyl, Quindal, Sinup (cont.)
HOW TO USE: If you are taking the over-the-counter product, read all directions on the product package before taking this medication. If you have any questions, consult your pharmacist. If your doctor has prescribed this medication, take it as directed.Take this medication by mouth with or without food. Drink plenty of fluids while taking this medication. Fluids will help to break up mucus and clear congestion.Dosage is based on your medical condition and response to therapy.For liquid forms, measure your dose with the dosing device provided with this medication. Do not use a household spoon. If your liquid form is a suspension, shake the bottle well before each dose.Use this medication regularly in order to get the most benefit from it. To help you remember, take it at the same times each day.Inform your doctor if your condition persists or worsens after 7 days.
SIDE EFFECTS: Nausea, stomach upset, nervousness, trouble sleeping, dizziness, or headache may occur. 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: shaking (tremor), fast/irregular/pounding heartbeat, difficult/painful urination, trouble breathing, mental/mood changes (e.g., irritability, confusion, hallucinations).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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