Z-COF 12 Side Effects

Generic Name: dextromethorphan / guaifenesin / pseudoephedrine

Note: This page contains side effects data for the generic drug dextromethorphan / guaifenesin / pseudoephedrine. It is possible that some of the dosage forms included below may not apply to the brand name Z-COF 12.

For the Consumer

Applies to dextromethorphan / guaifenesin / pseudoephedrine: tablets

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

Diarrhea; dizziness; drowsiness; excitability; headache; irritability; nausea; stomach upset; trouble sleeping.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating; fast, slow, or irregular heartbeat; fever; hallucinations; mental or mood changes (eg, anxiety, nervousness); paleness; seizures; severe or persistent dizziness, lightheadedness, or headache; tremor.

For Healthcare Professionals

Applies to dextromethorphan / guaifenesin / pseudoephedrine: oral capsule, oral liquid, oral suspension, oral suspension extended release, oral syrup, oral tablet, oral tablet extended release

Dermatologic

Frequency not reported: Rash^[Ref]

Nervous system

Frequency not reported: Nervousness, dizziness, insomnia, headache^[Ref]

Other

Frequency not reported: Fever^[Ref]

Respiratory

Frequency not reported: Cough, nasal congestion^[Ref]

It is possible that some side effects of Z-COF 12 may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

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