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Dihydrocodeine / guaifenesin Side Effects

Applies to dihydrocodeine / guaifenesin: liquid

Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Constipation; dizziness; drowsiness; excitability; headache; increased sweating; lightheadedness; nausea; nervousness or anxiety; tiredness; trouble sleeping; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur while taking dihydrocodeine / guaifenesin:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; difficulty urinating; fast or irregular heartbeat; hallucinations; mental or mood changes (eg, irritability); seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; vision changes or blurred vision.

Not all side effects for dihydrocodeine / guaifenesin may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

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