promethazine/dextromethorphan - oral (cont.)
SIDE EFFECTS: Drowsiness, dizziness, blurred vision, nausea, constipation, or dry mouth may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.To minimize dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.If you are very sleepy or have difficulty waking up after using this medication, stop taking this medication and talk to your doctor or pharmacist immediately. Your dosage may need to be lower.Remember that your doctor has prescribed this medication because 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: decreased coordination, difficulty urinating, shaking (tremor).Stop taking this medication and seek immediate medical attention if any of these rare but serious side effects occur: slow heartbeat, fainting, slow/shallow breathing, mental/mood changes (such as nervousness, excitement, irritability, confusion, hallucinations), abnormal/involuntary movements (such as fixed upward stare, neck twisting, tongue movements), seizures.This medication may rarely cause a very serious condition called neuroleptic malignant syndrome (NMS). Get medical help right away if you have any of the following symptoms: fever, muscle stiffness/pain/tenderness/weakness, severe tiredness, severe confusion, sweating, fast/irregular heartbeat, dark urine, change in the amount of urine.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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