Guiatussin W/Codeine Oral

Guiatussin W/Codeine Oral Side Effects

Drowsiness, dizziness, lightheadedness, facial flushing, nausea, vomiting, or constipation may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

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:

• mental/mood changes (e.g., confusion, hallucinations)
• fast/irregular heartbeat
• slow/shallow breathing
• trouble urinating

Seek immediate medical attention if this rare but very serious side effect occurs:

• seizure

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction:

• rash
• itching
• swelling
• severe dizziness
• trouble breathing

This is not a complete list of possible side effects. If you notice other side effects not listed above, contact your doctor or pharmacist.

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Drug Interactions