Before taking tapentadol,
tell your doctor and pharmacist if you are allergic to tapentadol, or any other medications, or any of the ingredients in tapentadol tablets or extended-release tablets. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
tell your doctor if you are taking the following medications or have stopped taking them within the past two weeks: monoamine oxidase (MAO) inhibitors such as isocarboxazid (Marplan), linezolid (Zyvox), methylene blue, phenelzine (Nardil), rasagiline (Azilect), selegiline (Emsam, Eldepryl, Zelapar), and tranylcypromine (Parnate). Also tell your doctor if any of these medications are prescribed for you during your treatment with tapentadol. Your doctor will probably tell you not to take tapentadol if you are taking one or more of these medications.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: antihistamines (in cough, cold, and allergy medications); buprenorphine (Buprenex, Butrans, in Suboxone, in Zubsolv); butorphanol; cyclobenzaprine (Amrix); dextromethorphan (found in many cough medications; in Nuedexta); medications for irritable bowel disease, motion sickness, Parkinson's disease, ulcers, or urinary problems; lithium (Lithobid); medications for migraines such as almotriptan (Axert), eletriptan (Relpax), frovatriptan (Frova), naratriptan (Amerge), rizatriptan (Maxalt), sumatriptan (Imitrex, in Treximet), and zolmitriptan (Zomig); mirtazapine (Remeron); nalbuphine; pentazocine (Talwin); selective serotonin reuptake inhibitors (SSRIs) such as citalopram (Celexa), escitalopram (Lexapro), fluoxetine (Prozac, Sarafem, Selfemra, in Symbyax), fluvoxamine (Luvox), paroxetine (Brisdelle, Paxil, Pexeva), and sertraline (Zoloft); selective serotonin/norepinephrine reuptake inhibitors (SNRIs) such as desvenlafaxine (Khedezla, Pristiq), duloxetine (Cymbalta), milnacipran (Savella), and venlafaxine (Effexor); tramadol (Conzip, Ultram, in Ultracet); trazodone; or tricyclic antidepressants ('mood elevators') such as amitriptyline, amoxapine, clomipramine (Anafranil), desipramine (Norpramin), doxepin (Silenor, Zonalon), imipramine (Surmontil, Tofranil), nortriptyline (Pamelor), protriptyline (Vivactil), and trimipramine (Surmontil). Many other medications may also interact with tapentadol, 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 or have ever had any of the conditions mentioned in the IMPORTANT WARNING section or paralytic ileus (condition in which digested food does not move through the intestines). Your doctor may tell you not to take tapentadol.
tell your doctor if you have or have ever had a blockage in your stomach or intestines, any condition that causes difficulty urinating; or pancreas, gallbladder, kidney, thyroid, or liver disease.
tell your doctor if you are breastfeeding.
you should know that this medication may decrease fertility in men and women. Talk to your doctor about the risks of taking tapentadol.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking tapentadol.
you should know that tapentadol may make you drowsy. Do not drive a car, operate machinery, or participate in any other possibly dangerous activities until you know how this medication affects you.
you should know that tapentadol may cause dizziness, lightheadedness, and fainting when you get up too quickly from a lying position. To avoid this problem, get out of bed slowly, resting your feet on the floor for a few minutes before standing up.
you should know that tapentadol may cause constipation. Talk to your doctor about changing your diet or using other medications to prevent or treat constipation while you are taking tapentadol.