Allres-G Side Effects
Generic name: carbetapentane / guaifenesin
Note: This document contains side effect information about carbetapentane / guaifenesin. Some dosage forms listed on this page may not apply to the brand name Allres-G.
Applies to carbetapentane / guaifenesin: oral tablet extended release.
Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.
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:
confusion, hallucinations, feeling restless or nervous;
Common side effects may include:
sleep problems (insomnia); or
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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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.