Possible Side Effects of Hydrocodone:

Stop taking acetaminophen and hydrocodone and seek emergency medical attention if you experience any of the following: an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives); slow, weak breathing; seizures; cold, clammy skin; severe weakness or dizziness; unconsciousness; yellowing of the skin or eyes; or unusual fatigue, bleeding, or bruising. Less serious side effects may be more likely to occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.