Dihydrocodeine, Guaifenesin, And Pseudoephedrine: What Are The Possible Side Effects Of Dihydrocodeine Guaifenesin And Pseudoephedrine

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What are the possible side effects of dihydrocodeine, guaifenesin, and pseudoephedrine?

If you experience any of the following serious side effects, stop taking dihydrocodeine, guaifenesin, and pseudoephedrine and seek emergency medical attention or contact your doctor immediately:

• an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives); or
• confusion, hallucinations, or unusual behavior.

Other, less serious side effects may be more likely to occur. Continue to take dihydrocodeine, guaifenesin, and pseudoephedrine and talk to your doctor if you experience

• dizziness, drowsiness, or sleepiness;
• restlessness or irritability;
• blurred vision;
• constipation;
• dry mouth, nausea, vomiting, or decreased appetite;
• muscle twitches;
• sweating;
• itching;
• decreased urination;
• increased sensitivity to sunlight.

Dihydrocodeine is habit forming. It is possible become physically and/or psychologically dependent on the medication. Do not take more than the prescribed amount of medication or take it for longer than is directed by your doctor. Withdrawal effects may occur if dihydrocodeine, guaifenesin, and pseudoephedrine is stopped suddenly after several weeks of continuous use. Your doctor may recommend a gradual reduction in dose.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

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Last updated:	February 13, 2004