Carbetapentane / guaifenesin Side Effects

Some side effects of carbetapentane / guaifenesin may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

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

Get emergency medical help if you have any of these signs of an allergic reaction while taking carbetapentane / guaifenesin: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have a serious side effect such as:

• confusion, hallucinations, feeling restless or nervous;

• tremors; or

• extreme weakness.

Less serious side effects of carbetapentane / guaifenesin may include:

• drowsiness, dizziness;

• headache;

• sleep problems (insomnia); or

• nausea.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

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