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Nucynta

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Nucynta

NUCYNTA®
(tapentadol) Immediate-Release Oral Tablets

DRUG DESCRIPTION

NUCYNTA® (tapentadol) is a mu-opioid receptor agonist, supplied in immediate-release film-coated tablets for oral administration, containing 58.24, 87.36 and 116.48 mg of tapentadol hydrochloride in each tablet strength, corresponding to 50, 75, and 100 mg of tapentadol free-base, respectively. The chemical name is 3-[(1R,2R)-3-(dimethylamino)-1-ethyl-2methylpropyl]phenol monohydrochloride. The structural formula is:

NUCYNTA® (tapentadol) Structural Formula Illustration

The molecular weight of tapentadol HCl is 257.80, and the molecular formula is C14H23NO•HCl. The n-octanol:water partition coefficient log P value is 2.87. The pKa values are 9.34 and 10.45.

In addition to the active ingredient tapentadol HCl, NUCYNTA® tablets also contain the following inactive ingredients: microcrystalline cellulose, lactose monohydrate, croscarmellose sodium, povidone, magnesium stearate. The film coatings for all tablet strengths contain polyvinyl alcohol, titanium dioxide, polyethylene glycol, talc, and the colorant FD&C Yellow #6 aluminum lake; the film coatings for the 50 mg and 75 mg tablets also contain the additional colorant D&C Yellow #10 aluminum lake.

What are the possible side effects of tapentadol (Nucynta, Nucynta ER)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • weak or shallow breathing, weak pulse, slow heartbeat;
  • seizure (convulsions);
  • severe drowsiness or dizziness;
  • confusion, problems with speech or balance; or
  • agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination,...

Read All Potential Side Effects and See Pictures of Nucynta »

Last reviewed on RxList: 7/24/2013
This monograph has been modified to include the generic and brand name in many instances.

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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