Carbatuss Side Effects
Generic Name: carbetapentane / guaifenesin / phenylephrine
Note: This page contains information about the side effects of carbetapentane / guaifenesin / phenylephrine. Some of the dosage forms included on this document may not apply to the brand name Carbatuss.
Not all side effects for Carbatuss may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to carbetapentane / guaifenesin / phenylephrine: capsules, tablets
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking carbetapentane / guaifenesin / phenylephrine:
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, headache, or lightheadedness; tremor.
For Healthcare Professionals
Applies to carbetapentane / guaifenesin / phenylephrine: oral liquid, oral syrup, oral tablet, oral tablet extended release
Nervous system side effects have included nervousness, lightheadedness, excitability, restlessness, dizziness, tenseness, convulsions, CNS depression, and insomnia.[Ref]
Cardiovascular side effects have included arrhythmias and hypotension with cardiovascular collapse.[Ref]
Gastrointestinal side effects have included nausea and vomiting.[Ref]
Psychiatric side effects have included fear, anxiety, and hallucinations.[Ref]
Respiratory side effects have included respiratory difficulty.[Ref]
Genitourinary side effects have included dysuria.[Ref]
General side effects have included weakness and pallor.[Ref]
1. "Product Information. Phencarb GG (carbetapentane / guaifenesin / phenylephrine)." Boca Pharmacal Inc, Coconut Creek, FL.
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