Nalex-DH Side Effects
Generic name: hydrocodone / phenylephrine
Note: This document contains side effect information about hydrocodone / phenylephrine. Some of the dosage forms listed on this page may not apply to the brand name Nalex-DH.
Rare (less than 0.1%): Occasional drowsiness, dizziness, mild mental stimulation
Postmarketing reports: Convulsions[Ref]
Postmarketing reports: Breathing difficulties[Ref]
-Chronic opioid use may affect the hypothalamic-pituitary-gonadal axis leading to androgen deficiency.
-Opioids role in androgen deficiency have not been evaluated where other factors (medical, physical, lifestyle, psychological) have been adequately controlled.
-Perform laboratory evaluation for symptoms of androgen deficiency.[Ref]
Rare (less than 0.1%): Mild mental stimulation
Postmarketing reports: Hallucinations[Ref]
Rare (less than 0.1%): Blurred vision[Ref]
Postmarketing reports: Allergic reaction[Ref]
Rare (less than 0.1%): Dry mouth, gastric irritation[Ref]
More about Nalex-DH (hydrocodone / phenylephrine)
Related treatment guides
1. Cerner Multum, Inc. "Canadian Product Information." O 0 (2015):
2. "PDR Generics. 4th ed." Montvale, NJ: Medical Economics (1998):
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.