What Is Norco?
Norco is a prescription painkiller containing hydrocodone bitartrate and acetaminophen. Approved by the FDA in 1982, it is used to treat moderate-to-severe pain when taken as directed.
How Long Does Norco Stay in Your System?
Hydrocodone, the opioid component of Norco, has an average half-life of 4 hours. This means it takes approximately 4 hours for the body to eliminate half of the drug. It typically takes 4–5 half-lives for the drug to be fully cleared from the system.
Drug Testing for Norco
Even after its effects wear off, Norco can still be detected through various drug tests:
| Test Type | Detection Window |
|---|---|
| Urine Test | Up to 96 hours after the last dose. |
| Blood Test | Up to 12 hours after the last dose. |
| Saliva Test | Up to 36 hours after the last dose. |
| Hair Follicle Test | Up to 90 days after the last dose. |
Factors That Influence Detection Time
Several factors impact how long Norco stays in your body:
- Dosage and Duration: Higher or prolonged doses extend the detection window.
- Other Substances: Alcohol or other drugs taken with Norco can slow metabolism.
- Liver Health: Liver disease impairs the breakdown of hydrocodone.
- Body Fat Percentage: Hydrocodone can be stored in fat tissue, delaying elimination.
- Metabolic Rate: A faster metabolism reduces the time Norco stays in the system.
Acetaminophen and Liver Testing
Doctors may also test for acetaminophen, the other component in Norco, if there’s a concern about liver damage. A blood test is used to measure acetaminophen levels and guide treatment to protect liver health.
If you’re worried about drug testing, it may be a sign of a substance use disorder. Seeking support from a medical professional can help you regain control and protect your health.

Side Effects of Norco Use
Norco, a combination of hydrocodone and acetaminophen, can lead to serious health risks, even when used for legitimate medical purposes. Individuals with pre-existing conditions like liver disease, kidney problems, thyroid disorders, breathing issues, or a history of seizures are particularly at risk. Misuse or prolonged use significantly increases the likelihood of harmful side effects and addiction.
Common Side Effects of Hydrocodone
Hydrocodone, the opioid component of Norco, can cause the following:
- Constipation
- Nausea and vomiting
- Drowsiness
- Headaches and migraines
- Breathing difficulties
- Nasal and sinus problems
- High blood pressure
- Chest pain
- Tinnitus (ringing in the ears)
These symptoms may worsen with misuse, increasing the risk of overdose and dependency.
Signs of Acetaminophen Overdose
Excessive use of Norco also exposes the body to acetaminophen toxicity, which can cause severe liver damage. The liver filters toxins, and when it becomes overwhelmed, these toxins remain in the body, leading to dangerous outcomes.
Symptoms of Acetaminophen Toxicity include:
- Yellowing of skin and eyes (jaundice)
- Pain under the ribs
- Nausea and vomiting
- Loss of appetite
- Confusion and drowsiness
- Heavy sweating
- Difficulty breathing
- Abdominal cramping
Norco Withdrawal
Withdrawal symptoms occur when a person stops taking a drug that they have become dependent on. Norco is an opioid drug, and the withdrawal symptoms are similar to those found with other opioids. Symptoms of Norco withdrawal include digestive pain, chills, nausea, and agitation.
Every person’s experience of withdrawal is unique to them. As with drug tests and detection times, your withdrawal from Norco will be shaped by factors that are personal to you. These include the following.
- Your state of health
- Whether you have used other drugs alongside Norco
- How often you have taken Norco, and how heavily
If you have tried to quit Norco on your own and have found the withdrawal symptoms too difficult, you may worry about trying again. Recovery is possible, and you can try again.
At an addiction treatment center, licensed medical professionals can ease your withdrawal by monitoring your symptoms and giving you medication where appropriate.
After detox, you can receive rehab therapy to learn about the underlying reasons for your drug problem. Working with a therapist, you can develop strategies to resist drug use and maintain your sobriety.
How Does Norco Work?
- Hydrocodone: An opioid that blocks pain signals by attaching to opioid receptors in the brain and spinal cord. It also creates a euphoric feeling, which increases the risk of misuse and addiction.
- Acetaminophen: Commonly known as Tylenol, it reduces fever and pain. However, excessive acetaminophen use can cause liver damage.
Norco’s Addiction Potential
Norco is classified as a Schedule II controlled substance due to its high potential for abuse and addiction. Hydrocodone, like other opioids, shares a chemical structure with heroin, making it highly addictive. Many people with substance use disorders may switch between Norco and illicit opioids like heroin.

Find help with addiction at Cirque Lodge
If you are worried about Norco and want to learn about help for yourself or a loved one, please get in touch. Detox and rehabilitation treatment are available at Cirque Lodge, a luxury alcohol and drug rehab center in the heart of the Rocky Mountains.
Cirque Lodge offers specialized treatment for people who have abused or become addicted to hydrocodone or other prescription opiates. We can ease your symptoms of withdrawal with a medically assisted detox and treat you with therapies that are individualized to your needs.
Our treatment program is underpinned by the 12-steps model. We also offer cognitive behavioral therapy in groups and one-to-one. In addition to our talking therapies, we also help you to heal with experiences that rebuild your self-esteem.
Our experiential therapies enable you to benefit from the center’s stunning natural surroundings. As part of your recovery process, you can take part in activities such as equine therapy, gardening, hiking, and snowshoeing.
To find out more about treatment options at Cirque Lodge, please contact us by phone or email, using the details on our website. We’re here to help you start your journey to recovery.