Hydrocodone is a semisynthetic hydrogenated codeine derivative and opioid agonist with analgesic and antitussive effects. Hydrocodone primarily binds to and activates the mu-opioid receptor in the central nervous system (CNS). This leads to analgesia, euphoria, respiratory depression, miosis, decreased gastrointestinal motility, cough suppression and physical dependence. Hydrocodone is converted to hydromorphone by the cytochrome P450 enzyme CYP2D6.
How should this medicine be used?
Hydrocodone comes as an extended-release (long-acting) capsule and an extended-release (long-acting) tablet to take by mouth. The extended-release capsule is usually taken once every 12 hours. The extended-release tablet is usually taken once daily. Take hydrocodone at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take hydrocodone exactly as directed by your doctor.
Swallow the extended-release capsules or extended-release tablets one at a time with plenty of water. Swallow each capsule or tablet as soon as you put it in your mouth. Do not presoak, wet, or lick the extended-release tablets before you put them in your mouth.
Your doctor will probably start you on a low dose of hydrocodone and may gradually increase your dose, not more than once every 3 to 7 days if needed to control your pain. After your take hydrocodone for a period of time, your body may become used to the medication. If this happens, your doctor may increase your dose of hydrocodone or may prescribe a different medication to help control your pain. Talk to your doctor about how you are feeling during your treatment with hydrocodone.
Do not stop taking hydrocodone without talking to your doctor. If you suddenly stop taking hydrocodone, you may experience withdrawal symptoms such as restlessness, teary eyes, runny nose, yawning, sweating, chills, hair standing on end, muscle pain, widened pupils (black circles in the middle of the eyes), irritability, anxiety, back or joint pain, weakness, stomach cramps, difficulty falling asleep or staying asleep, nausea, loss of appetite, vomiting, diarrhea, fast breathing, or fast heartbeat. Your doctor will probably decrease your dose gradually.
Other uses for this medicine
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
What special precautions should I follow?
Before taking hydrocodone,
tell your doctor and pharmacist if you are allergic to hydrocodone, any other medications, or any of the ingredients in hydrocodone extended-release capsules or extended-release tablets. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Be sure to mention the medications listed in the IMPORTANT WARNING section and any of the following medications: antihistamines (found in cough and cold medications); amiodarone (Nexterone, Pacerone); azithromycin (Zithromax, Zmax); butorphanol; chlorpromazine; citalopram (Celexa); cyclobenzaprine (Amrix); dextromethorphan (found in many cough medications; in Nuedexta); dronedarone (Multaq); haloperidol (Haldol); laxatives such as lactulose (Cholac, Constulose, Enulose, others); levofloxacin (Levaquin); lithium (Lithobid); medications for irritable bowel disease, Parkinson’s disease, ulcers, and urinary problems; medications for migraine headaches such as almotriptan (Axert), eletriptan (Relpax), frovatriptan (Frova), naratriptan (Amerge), rizatriptan (Maxalt), sumatriptan (Imitrex, in Treximet), and zolmitriptan (Zomig); mirtazapine (Remeron); nalbuphine; pentazocine (Talwin); 5HT3 serotonin blockers such as alosetron (Lotronex), dolasetron (Anzemet), granisetron (Kytril), ondansetron (Zofran, Zuplenz), or palonosetron (Aloxi); selective serotonin-reuptake inhibitors such as citalopram (Celexa), escitalopram (Lexapro), fluoxetine (Prozac, Sarafem, in Symbyax), fluvoxamine (Luvox), paroxetine (Brisdelle, Prozac, Pexeva), and sertraline (Zoloft); serotonin and norepinephrine reuptake inhibitors such as desvenlafaxine (Khedezla, Pristiq), duloxetine (Cymbalta), milnacipran (Savella), and venlafaxine (Effexor); trazodone (Oleptro); or tricyclic antidepressants (‘mood elevators’) such as amitriptyline, clomipramine (Anafranil), desipramine (Norpramin), doxepin (Silenor), imipramine (Tofranil), nortriptyline (Pamelor), protriptyline (Vivactil), and trimipramine (Surmontil). Also tell your doctor or pharmacist if you are taking or receiving the following medications or have stopped taking them within the past two weeks: isocarboxazid (Marplan), linezolid (Zyvox), methylene blue, phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate). Many other medications may also interact with hydrocodone, so be sure to tell your doctor about all the medications you are taking, even those that do not appear on this list. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor what herbal products you are taking, especially St. John’s wort and tryptophan.
tell your doctor if you have any of the conditions mentioned in the IMPORTANT WARNING section, a blockage or narrowing of your stomach or intestines, or paralytic ileus (condition in which digested food does not move through the intestines). Your doctor may tell you not to take hydrocodone.
tell your doctor if you have or have ever had low blood pressure, difficulty urinating, seizures, or thyroid, gall bladder, pancreas, liver, or kidney disease. If you are taking the extended-release tablets, also tell your doctor if you have or have ever had difficulty swallowing, colon cancer (cancer that begins in the large intestine), esophageal cancer (cancer that begins in the tube that connects the mouth and stomach), heart failure (HF; condition in which the heart cannot pump enough blood to other parts of the body), or heart rhythm problems such long QT syndrome (condition that increases the risk of developing an irregular heartbeat that may cause fainting or sudden death).
tell your doctor if you are breastfeeding.