May 29, 2016
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PENNSAID

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PENNSAID

PENNSAID
(diclofenac sodium) Topical Solution




WARNING

RISK OF SERIOUS CARDIOVASCULAR AND GASTROINTESTINAL EVENTS

Cardiovascular Thrombotic Events

  • Nonsteroidal anti-inflammatory drugs (NSAIDs) cause an increased risk of serious cardiovascular thrombotic events, including myocardial infarction, and stroke, which can be fatal. This risk may occur early in treatment and may increase with duration of use. [see WARNINGS AND PRECAUTIONS].
  • PENNSAID is contraindicated in the setting of coronary artery bypass graft (CABG) surgery [see CONTRAINDICATIONS and WARNINGS AND PRECAUTIONS].

Gastrointestinal Bleeding, Ulceration, and Perforation

  • NSAIDs cause an increased risk of serious gastrointestinal (GI) adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. These events can occur at any time during use and without warning symptoms. Elderly patients and patients with a prior history of peptic ulcer disease and/or GI bleeding are at greater risk for serious GI events [see WARNINGS AND PRECAUTIONS].

DRUG DESCRIPTION

PENNSAID 2% topical solution, contains diclofenac sodium, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to faintly pink or orange solution for topical application. The chemical name is 2[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C14H10Cl2NNaO2, and it has the following chemical structure.

PENNSAID (diclofenac sodium) Structural Formula Illustration

Each 1 gram of solution contains 20 mg of diclofenac sodium. The inactive ingredients: dimethyl sulfoxide USP (DMSO, 45.5% w/w), ethanol, purified water, propylene glycol, and hydroxypropyl cellulose.

What are the possible side effects of diclofenac topical (Pennsaid, Solaraze, Voltaren Topical)?

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

Although the risk of serious side effects is low when diclofenac is applied to the skin, you should be aware of side effects that can occur if the medication is absorbed into your bloodstream.

Stop using this medicine and call your doctor at once if you have a serious side effect such as:

  • chest pain, slurred speech, problems with vision or balance, and feeling weak or...

Read All Potential Side Effects and See Pictures of PENNSAID »

Last reviewed on RxList: 5/23/2016
This monograph has been modified to include the generic and brand name in many instances.

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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