Chlorpheniramine, Hydrocodone, And Pseudoephedrine: What Are The Possible Side Effects Of Chlorpheniramine Hydrocodone And Pseudoephedrine

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What are the possible side effects of chlorpheniramine, hydrocodone, and pseudoephedrine?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have any of these serious side effects:

• fast, pounding, or uneven heartbeats;
• shallow breathing, slow heartbeat;
• severe dizziness, fainting, anxiety, restless feeling, nervousness, or tremor;
• confusion, hallucinations, unusual thoughts or behavior;
• easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms;
• urinating less than usual or not at all; or
• increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure).

Less serious side effects may include:

• blurred vision;
• dry mouth;
• nausea, vomiting, stomach pain, constipation, mild loss of appetite;
• mild dizziness, drowsiness;
• problems with memory or concentration;
• ringing in your ears;
• warmth, tingling, or redness under your skin;
• restless or excitability (especially in children);
• sleep problems (insomnia); or
• skin rash or itching.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

Last updated:	July 22, 2008