Hydrocodone Patient Tips
Medically reviewed on Sep 14, 2017 by C. Fookes, BPharm.
How it works
- Hydrocodone is an analgesic (pain-reliever) that works on mu opioid receptors in the brain and spinal cord. It may be used to relieve moderate-to-severe pain that is unresponsive to other, less potent, pain-relieving medicines.
- Hydrocodone belongs to the group of medicines known as narcotic analgesics. It may also be called an opioid analgesic.
- Relieves moderate-to-severe acute and chronic pain not controlled by other pain relief medicines.
- Hydrocodone (by itself) is only available in abuse-deterrent, branded, extended-release forms, under the brand names: Hysingla ER, Vantrela ER, and Zohydro ER.
- Less potential for constipation, nausea, and vomiting than morphine. However, hydrocodone may be more constipating than oxycodone.
- Hydrocodone is available in combination with other medications, for example, hydrocodone and acetaminophen, and hydrocodone and ibuprofen. Generic formulations of these combination medications are available.
If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include:
- Drowsiness or dizziness which may impair reaction skills and affect a person's ability to drive or operate machinery. Avoid alcohol.
- Constipation, nausea, and vomiting (although may be less likely than morphine to cause these effects).
- May impair reaction skills and affect a person's ability to drive or operate machinery. Avoid alcohol.
- Known to cause addiction and dependence and may be misused or sought after by drug addicts. The risk is higher in people with psychiatric disorders. Legitimate supplies of products containing hydrocodone may be sought out by drug seekers. Hydrocodone is one of the most abused opioids in the United States.
- Abrupt discontinuation of any hydrocodone-containing medication in a person who has become physically dependent on it may lead to a withdrawal syndrome and symptoms such as restlessness, pupil dilation, watery eyes and a runny nose, sweating, muscle aches, insomnia, irritability and gastrointestinal complaints. Babies born to mothers who are physically dependent on hydrocodone will also be physically dependent.
- Rarely, serious, life-threatening, breathing problems may occur. The risk is greater with higher dosages of hydrocodone, in people with pre-existing respiratory disease, in seniors or the frail, or in those taking other medications that cause respiratory depression (such as benzodiazepines).
- Interaction or overdosage may also cause serotonin syndrome. Symptoms include mental status changes such as agitation, hallucinations, coma, or delirium; a fast heart rate; dizziness; flushing; muscle tremor or rigidity; and stomach symptoms (including nausea, vomiting, and diarrhea).
- May not be suitable for people with pre-existing respiratory depression or respiratory disease, with seizure disorders or a head injury, people with gastrointestinal obstruction, or recent use of monoamine oxidase inhibitors.
Notes: In general, seniors or children, people with certain medical conditions (such as liver or kidney problems, heart disease, diabetes, seizures) or people who take other medications are more at risk of developing a wider range of side effects. For a complete list of all side effects, click here.
- May be taken with or without food because neither the absorption of hydrocodone nor its effects are influenced by food.
- Do not chew or crush, presoak or attempt to dissolve any type of hydrocodone tablet. Swallow whole with a glass of water.
- One formulation in particular (Hysingla ER) has been associated with choking and getting stuck in the throat. Do not wet or suck tablet before taking and swallow whole with a large glass of water.
- Monitor for breathing difficulties, particularly in the first few days of treatment or with any dosage increase.
- Available in abuse-deterrent formulations.
- Withdrawal symptoms (symptoms may include muscle and bone pain, diarrhea, insomnia, vomiting) may occur if long-term hydrocodone is stopped abruptly; discontinue slowly on a doctor's advice.
- Avoid alcohol while taking this medicine.
- Keep well out of reach of children; even one accidental dose can be fatal.
- Constipation caused by hydrocodone may be treated with laxatives; nausea and vomiting may be treated with antiemetics.
- May lower blood pressure on standing; take your time when going from a lying down to a standing up position.
- The need for continued treatment with hydrocodone should be assessed at regular intervals.
Response and Effectiveness
- Time to peak after oral administration of Hysingla ER is 6 to 30 hours, Vantrela ER: 8 hours, and Zohydro R: 5 hours.
- Once absorbed, hydrocodone is metabolized by hepatic enzymes CYP2D6 to hydromorphone which is the major metabolite of hydrocodone and has an approximately 10 to 33 fold higher binding affinity (in some cases as much as a 100-fold higher binding affinity) for the mu receptor than hydrocodone. Other hepatic enzymes are involved in the elimination of metabolized hydrocodone.
- Because CYP2D6 exhibits genetic polymorphism, there is potentially a wide interindividual variation in the way individuals respond to hydrocodone.
- One dose of Hysingla ER lasts for 24 hours, whereas one dose of either Vantrela ER or Zohydro ER lasts for 12 hours.
Hydrocodone [A to Z Facts]. https://www.drugs.com/ppa/hydrocodone.html
Zohydro ER capsules (hydrocodone) [Package Insert] Revised 12/2016. Pernix Therapeutics. https://www.drugs.com/pro/zohydro-er-capsules.html
More about hydrocodone
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Compare Alternatives
- Support Group
- En Español
- 127 Reviews – Add your own review/rating
- Drug class: antitussives
- Hydrocodone Extended-Release Tablets
- Hydrocodone Extended-Release Capsules
- Hydrocodone (Advanced Reading)
Related treatment guides
- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use hydrocodone only for the indication prescribed.
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