Hydrocodone Side Effects

Hydrocodone is in a group of drugs called narcotic pain relievers.

Acetaminophen is a less potent pain reliever that increases the effects of hydrocodone.

The combination of hydrocodone and acetaminophen is used to relieve moderate to severe pain.

Do not use this medication if you are allergic to acetaminophen (Tylenol) or hydrocodone. Hydrocodone may be habit-forming and should be used only by the person it was prescribed for. Hydrocodone and acetaminophen should never be given to another person, especially someone who has a history of drug abuse or addiction. Keep the medication in a secure place where others cannot get to it.

Before using hydrocodone and acetaminophen, tell your doctor if you are allergic to any drugs, or if you have:

  • asthma, COPD, sleep apnea, or other breathing disorders;
  • liver or kidney disease;
  • a history of head injury or brain tumor;
  • low blood pressure;
  • a stomach or intestinal disorder;
  • underactive thyroid;
  • Addison’s disease or other adrenal gland disorder;
  • curvature of the spine;
  • mental illness; or
  • a history of drug or alcohol addiction.

Tell your doctor if you drink more than three alcoholic beverages per day or if you have ever had alcoholic liver disease (cirrhosis). You may not be able to take medication that contains acetaminophen.

FDA pregnancy category C. This medication may be harmful to an unborn baby, and could cause breathing problems or addiction/withdrawal symptoms in a newborn. Tell your doctor if you are pregnant or plan to become pregnant during treatment. hydrocodone and acetaminophen can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects:

  • shallow breathing, slow heartbeat;
  • feeling light-headed, fainting;
  • confusion, fear, unusual thoughts or behavior;
  • seizure (convulsions);
  • problems with urination; or
  • nausea, stomach pain, loss of appetite, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious hydrocodone and acetaminophen side effects may include:

  • feeling anxious, dizzy, or drowsy;
  • mild nausea, vomiting, upset stomach, constipation;
  • headache, mood changes;
  • blurred vision;
  • ringing in your ears; or
  • dry mouth.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

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