Diclofenac Sodium Delayed-release Tablets, USP

Cardiovascular Risk

Boxed Warning section

NSAIDs may cause an increased risk of serious cardiovascular thrombotic events, myocardial infarction, and stroke, which can be fatal. This risk may increase with duration of use. Patients with cardiovascular disease or risk factors for cardiovascular disease may be at greater risk (see ). • WARNINGS Diclofenac sodium delayed-release tablets are contraindicated for the treatment of peri-operative pain in the setting of coronary artery bypass graft (CABG) surgery (see ). • WARNINGS Gastrointestinal Risk NSAIDs cause an increased risk of serious gastrointestinal adverse events including inflammation, 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 are at greater risk for serious gastrointestinal events (see ). • WARNINGS

DESCRIPTION

DESCRIPTION SECTION

Diclofenac sodium is a benzeneacetic acid derivative, designated chemically as 2-[(2,6-dichlorophenyl)amino] benzeneacetic acid, monosodium salt. The structural formula is: Diclofenac sodium is a faintly yellowish white to light beige, virtually odorless, slightly hygroscopic crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water and practically insoluble in chloroform and in dilute acid. The n-octanol/water partition coefficient is 13.4 at pH 7.4 and 1545 at pH 5.2. Diclofenac sodium has a dissociation constant (pKa) of 4.0 ± 0.2 at 25°C in water. Each enteric-coated tablet for oral administration contains 25 mg, 50 mg, or 75 mg of diclofenac sodium. In addition, each tablet contains the following inactive ingredients. Inactive ingredients: Black iron oxide, croscarmellose sodium, hydroxypropyl cellulose, hydroxypropyl methylcellulose, lactose (monohydrate), magnesium stearate, methacrylic acid copolymer, microcrystalline cellulose, polyethylene glycol, povidone, red iron oxide, and titanium dioxide. The also contains: D & C Yellow #10 Aluminum Lake and pharmaceutical glaze shellac. The also contains: Pharmaceutical glaze shellac and yellow iron oxide. The also contains: carnauba wax, glycerol monostearate, shellac, and yellow iron oxide. 25 mg 50 mg 75 mg

CLINICAL PHARMACOLOGY

CLINICAL PHARMACOLOGY SECTION

INDICATIONS AND USAGE

INDICATIONS & USAGE SECTION

Carefully consider the potential benefits and risks of diclofenac sodium delayed-release tablets and other treatment options before deciding to use diclofenac sodium delayed-release tablets. Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals (see ). WARNINGS Diclofenac sodium delayed-release tablets, are indicated: For relief of the signs and symptoms of osteoarthritis • For relief of the signs and symptoms of rheumatoid arthritis • For acute or long-term use in the relief of signs and symptoms of ankylosing spondylitis •

CONTRAINDICATIONS

CONTRAINDICATIONS SECTION

Diclofenac sodium delayed-release tablets, are contraindicated in patients with known hypersensitivity to diclofenac. Diclofenac sodium delayed-release tablets should not be given to patients who have experienced asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs. Severe, rarely fatal, anaphylactic-like reactions to NSAIDs have been reported in such patients (see and ). WARNINGS: Anaphylactic Reactions PRECAUTIONS: Preexisting Asthma Diclofenac sodium delayed-release tablets are contraindicated for the treatment of peri-operative pain in the setting of coronary artery bypass graft (CABG) surgery (see ). WARNINGS

WARNINGS

WARNINGS SECTION

PRECAUTIONS

PRECAUTIONS SECTION

ADVERSE REACTIONS

ADVERSE REACTIONS SECTION

In patients taking diclofenac sodium delayed-release tablets, or other NSAIDs, the most frequently reported adverse experiences occurring in approximately 1% to 10% of patients are: Gastrointestinal experiences including: abdominal pain, constipation, diarrhea, dyspepsia, flatulence, gross bleeding/perforation, heartburn, nausea, GI ulcers (gastric/duodenal) and vomiting. Abnormal renal function, anemia, dizziness, edema, elevated liver enzymes, headaches, increased bleeding time, pruritus, rashes and tinnitus. Additional adverse experiences reported occasionally include:

OVERDOSAGE

OVERDOSAGE SECTION

Symptoms following acute NSAID overdoses are usually limited to lethargy, drowsiness, nausea, vomiting, and epigastric pain, which are generally reversible with supportive care. Gastrointestinal bleeding can occur. Hypertension, acute renal failure, respiratory depression and coma may occur, but are rare. Anaphylactic reactions have been reported with therapeutic ingestion of NSAIDs, and may occur following an overdose. Patients should be managed by symptomatic and supportive care following a NSAID overdose. There are no specific antidotes. Emesis and/or activated charcoal (60 to 100 g in adults, 1 to 2 g/kg in children) and/or osmotic cathartic may be indicated in patients seen within 4 hours of ingestion with symptoms or following a large overdose (5 to 10 times the usual dose). Forced diuresis, alkalinization of urine, hemodialysis, or hemoperfusion may not be useful due to high protein binding.

DOSAGE AND ADMINISTRATION

DOSAGE & ADMINISTRATION SECTION

Carefully consider the potential benefits and risks of diclofenac sodium delayed-release tablets and other treatment options before deciding to use diclofenac sodium delayed-release tablets. Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals (see ). WARNINGS After observing the response to initial therapy with diclofenac sodium delayed-release tablets, the dose and frequency should be adjusted to suit an individual patient’s needs. For the relief of osteoarthritis, the recommended dosage is 100 to 150 mg/day in divided doses (50 mg b.i.d. or t.i.d., or 75 mg b.i.d.). For the relief of rheumatoid arthritis, the recommended dosage is 150 to 200 mg/day in divided doses (50 mg t.i.d. or q.i.d., or 75 mg b.i.d.). For the relief of ankylosing spondylitis, the recommended dosage is 100 to 125 mg/day, administered as 25 mg q.i.d., with an extra 25 mg dose at bedtime if necessary. Different formulations of diclofenac (diclofenac sodium enteric-coated tablets; diclofenac sodium extended-release tablets; diclofenac potassium immediate-release tablets) are not necessarily bioequivalent even if the milligram strength is the same.

HOW SUPPLIED

HOW SUPPLIED SECTION

NDC:68151-2481-0 in a PACKAGE of 1 TABLET, DELAYED RELEASES

MEDICATION GUIDE for Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)

SPL MEDGUIDE SECTION

( ) See the end of this Medication Guide for a list of prescription NSAID medicines. What is the most important information I should know about medicines called Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)? This chance increases: NSAID medicines may increase the chance of a heart attack or stroke that can lead to death. with longer use of NSAID medicines • in people who have heart disease • NSAID medicines should never be used right before or after a heart surgery called a “coronary artery bypass graft (CABG).” NSAID medicines can cause ulcers and bleeding in the stomach and intestines at any time during treatment. Ulcers and bleeding: can happen without warning symptoms • may cause death • The chance of a person getting an ulcer or bleeding increases with: taking medicines called “corticosteroids” and “anticoagulants” • longer use • smoking • drinking alcohol • older age • having poor health • NSAID medicines should only be used: exactly as prescribed • at the lowest dose possible for your treatment • for the shortest time needed • What are Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)? NSAID medicines are used to treat pain and redness, swelling, and heat (inflammation) from medical conditions such as: different types of arthritis • menstrual cramps and other types of short-term pain • Who should not take a Non-Steroidal Anti-Inflammatory Drug (NSAID)? Do not take an NSAID medicine: if you had an asthma attack, hives, or other allergic reaction with aspirin or any other NSAID medicine • for pain right before or after heart bypass surgery • Tell your healthcare provider: about all your medical conditions. • about all of the medicines you take. NSAIDs and some other medicines can interact with each other and cause serious side effects. • Keep a list of your medicines to show to your healthcare provider and pharmacist. if you are pregnant. • NSAID medicines should not be used by pregnant women late in their pregnancy. if you are breastfeeding. • Talk to your doctor. What are the possible side effects of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)? Serious side effects include: heart attack • stroke • high blood pressure • heart failure from body swelling (fluid retention) • kidney problems including kidney failure • bleeding and ulcers in the stomach and intestine • low red blood cells (anemia) • life-threatening skin reactions • life-threatening allergic reactions • liver problems including liver failure • asthma attacks in people who have asthma • Other side effects include: stomach pain • constipation • diarrhea • gas • heartburn • nausea • vomiting • dizziness • Get emergency help right away if you have any of the following symptoms: shortness of breath or trouble breathing • chest pain • weakness in one part or side of your body • slurred speech • swelling of the face or throat • Stop your NSAID medicine and call your healthcare provider right away if you have any of the following symptoms: nausea • more tired or weaker than usual • itching • your skin or eyes look yellow • stomach pain • flu-like symptoms • vomit blood • there is blood in your bowel movement or it is black and sticky like tar • unusual weight gain • skin rash or blisters with fever • swelling of the arms and legs, hands and feet • These are not all the side effects with NSAID medicines. Talk to your healthcare provider or pharmacist for more information about NSAID medicines. Other information about Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) Aspirin is an NSAID medicine but it does not increase the chance of a heart attack. Aspirin can cause bleeding in the brain, stomach, and intestines. Aspirin can also cause ulcers in the stomach and intestines. • Some of these NSAID medicines are sold in lower doses without a prescription (over-the-counter). Talk to your healthcare provider before using over-the-counter NSAIDs for more than 10 days. • NSAID medicines that need a prescription Generic Name Tradename Celecoxib Celebrex Diclofenac Cataflam, Voltaren, Arthrotec (combined with misoprostol) Diflunisal Dolobid Etodolac Lodine, LodineXL Fenoprofen Nalfon, Nalfon 200 Flurbiprofen Ansaid Ibuprofen Motrin, Tab-Profen, Vicoprofen (combined with hydrocodone), Combunox (combined with oxycodone) Vicoprofen contains the same dose of ibuprofen as over-the-counter (OTC) NSAIDs, and is usually used for less than 10 days to treat pain. The OTC NSAID label warns that long term continuous use may increase the risk of heart attack or stroke. Indomethacin Indocin, Indocin SR, Indo-Lemmon, Indomethagan Ketoprofen Oruvail Ketorolac Toradol Mefenamic Acid Ponstel Meloxicam Mobic Nabumetone Relafen Naproxen Naprosyn, Anaprox, Anaprox DS, EC-Naprosyn, Naprelan, Naprapac (copackaged with lansoprazole) Oxaprozin Daypro Piroxicam Feldene Sulindac Clinoril Tolmetin Tolectin, Tolectin DS, Tolectin 600 Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. This Medication Guide has been approved by the U.S. Food and Drug Administration.

Diclofenac NA DR 25 MG enertic coat TAB

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL