Norco (hydrocodone bitartrate and acetaminophen) is an opioid analgesic and antitussive (cough suppressant) combined with a pain reliever (analgesic) used to treat moderate to fairly severe pain. Norco is available as a generic.

What Are Side Effects of Norco?

Norco may cause serious side effects including:

• noisy breathing,
• sighing,
• shallow breathing,
• lightheadedness,
• nausea
• Seek medical care or call 911 at once if you have the following serious side effects:
  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheadedness, or passing out;
  • Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

  This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

  Dosage for Norco

  Norco is supplied in tablet forms with strengths of 7.5 or 10 mg of hydrocodone bitartrate combined with 325 mg of acetaminophen. The daily dose for both strengths is one tablet every 4 to 6 hours as needed for pain. No more than 6 tablets should be taken over 24 hours.