J-Max DHC Side Effects
Generic name: dihydrocodeine / guaifenesin
Note: This document contains side effect information about dihydrocodeine / guaifenesin. Some dosage forms listed on this page may not apply to the brand name J-Max DHC.
Applies to dihydrocodeine / guaifenesin: oral liquid.
Do not use this medicine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Breathing problems may be more likely in older adults and those who are ill or debilitated.
Stop using dihydrocodeine and guaifenesin and call your doctor at once if you have:
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confusion, hallucinations, agitation, irritability;
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painful or difficult urination;
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fast or irregular heartbeat;
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seizures (convulsions);
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severe headache, vision changes; or
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a light-headed feeling, like you might pass out.
Common side effects may include:
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constipation, nausea, vomiting;
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dizziness, drowsiness, mild headache;
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anxiety, nervousness;
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increased sweating; or
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tiredness, sleep problems (insomnia).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
More about J-Max DHC (dihydrocodeine / guaifenesin)
- Check interactions
- Compare alternatives
- Dosage information
- Drug class: upper respiratory combinations
Related treatment guides
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.
