"Nov. 1, 2012 -- Two more drugs made by the New England Compounding Center (NECC) are crawling with various kinds of bacteria, FDA tests reveal.
The NECC is the Massachusetts compounding pharmacy whose drugs are the likely source of th"...
(tapentadol) Immediate-Release Oral Tablets
NUCYNTA® (tapentadol) Tablets are immediate-release film-coated tablets for oral administration. The chemical name is 3-[(1R,2R)-3-(dimethylamino)-1-ethyl-2- methylpropyl]phenol monohydrochloride. The structural formula is:
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, tablets also contain the following inactive ingredients: microcrystalline cellulose, lactose monohydrate, croscarmellose sodium, povidone, magnesium stearate, and Opadry® II, a proprietary film-coating mixture containing polyvinyl alcohol, titanium dioxide, polyethylene glycol, talc, and aluminum lake coloring.
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,...
Last reviewed on RxList: 11/20/2012
This monograph has been modified to include the generic and brand name in many instances.
Additional Nucynta Information
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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