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Look Up > Drugs > Tolmetin
Tolmetin
Pronunciation
U.S. Brand Names
Generic Available
Canadian Brand Names
Synonyms
Pharmacological Index
Use
Pregnancy Risk Factor
Contraindications
Warnings/Precautions
Adverse Reactions
Overdosage/Toxicology
Drug Interactions
Mechanism of Action
Pharmacodynamics/Kinetics
Usual Dosage
Dietary Considerations
Monitoring Parameters
Mental Health: Effects on Mental Status
Mental Health: Effects on Psychiatric Treatment
Dental Health: Local Anesthetic/Vasoconstrictor Precautions
Dental Health: Effects on Dental Treatment
Patient Information
Nursing Implications
Dosage Forms
References

Pronunciation
(TOLE met in)

U.S. Brand Names
Tolectin®; Tolectin® DS

Generic Available

No


Canadian Brand Names
Novo-Tolmetin

Synonyms
Tolmetin Sodium

Pharmacological Index

Nonsteroidal Anti-Inflammatory Agent (NSAID)


Use

Treatment of rheumatoid arthritis and osteoarthritis, juvenile rheumatoid arthritis


Pregnancy Risk Factor

C (D in 3rd trimester or near delivery)


Contraindications

Known hypersensitivity to tolmetin or any component, aspirin, or other nonsteroidal anti-inflammatory drugs (NSAIDs)


Warnings/Precautions

Use with caution in patients with upper GI disease, impaired renal function, congestive heart failure, dehydration, hypertension, and patients receiving anticoagulants; if GI upset occurs with tolmetin, take with antacids other than sodium bicarbonate


Adverse Reactions

>10%:

Central nervous system: Dizziness

Dermatologic: Rash

Gastrointestinal: Abdominal cramps, heartburn, indigestion, nausea

1% to 10%:

Central nervous system: Headache, nervousness

Dermatologic: Itching

Endocrine & metabolic: Fluid retention

Gastrointestinal: Vomiting

Otic: Tinnitus

<1%: Congestive heart failure, hypertension, arrhythmias, tachycardia, confusion, hallucinations, aseptic meningitis, mental depression, drowsiness, insomnia, urticaria, erythema multiforme, toxic epidermal necrolysis, Stevens-Johnson syndrome, angioedema, polydipsia, hot flashes, gastritis, GI ulceration, cystitis, polyuria, agranulocytosis, anemia, hemolytic anemia, bone marrow suppression, leukopenia, thrombocytopenia, hepatitis, peripheral neuropathy, toxic amblyopia, blurred vision, conjunctivitis, dry eyes, decreased hearing, acute renal failure, allergic rhinitis, shortness of breath, epistaxis


Overdosage/Toxicology

Symptoms of overdose include lethargy, mental confusion, dizziness, leukocytosis, renal failure

Management of a nonsteroidal anti-inflammatory drug (NSAID) intoxication is primarily supportive and symptomatic. Fluid therapy is commonly effective in managing the hypotension that may occur following an acute NSAID overdose, except when this is due to an acute blood loss. Seizures tend to be very short-lived and often do not require drug treatment; although, recurrent seizures should be treated with I.V. diazepam. Since many of the NSAID undergo enterohepatic cycling, multiple doses of charcoal may be needed to reduce the potential for delayed toxicities.


Drug Interactions

Decreased effect with aspirin; decreased effect of thiazides, furosemide, ACE inhibitors

Increased toxicity of digoxin, methotrexate, cyclosporine, lithium, insulin, sulfonylureas, potassium-sparing diuretics, aspirin


Mechanism of Action

Inhibits prostaglandin synthesis by decreasing the activity of the enzyme, cyclo-oxygenase, which results in decreased formation of prostaglandin precursors


Pharmacodynamics/Kinetics

Onset of effect: Analgesic: 1-2 hours; Anti-inflammatory: Days - weeks

Absorption: Oral: Well absorbed

Bioavailability: Food/milk decreases total bioavailability by 16%

Time to peak serum concentration: Within 30-60 minutes


Usual Dosage

Oral:

Anti-inflammatory: Initial: 20 mg/kg/day in 3 divided doses, then 15-30 mg/kg/day in 3 divided doses

Analgesic: 5-7 mg/kg/dose every 6-8 hours

Adults: 400 mg 3 times/day; usual dose: 600 mg to 1.8 g/day; maximum: 2 g/day


Dietary Considerations

Should be administered with food, milk, or antacids to decrease GI adverse effects; food or milk may decrease the extent of oral absorption


Monitoring Parameters

Occult blood loss, CBC, liver enzymes, BUN, serum creatinine, periodic liver function test


Mental Health: Effects on Mental Status

Dizziness is common; may cause nervousness; may rarely cause drowsiness, confusion, insomnia, hallucinations, or depression


Mental Health: Effects on Psychiatric Treatment

May rarely cause agranulocytosis; use caution with clozapine and carbamazepine; may decrease lithium clearance resulting in an increase in serum lithium levels and potential lithium toxicity; monitor serum lithium levels


Dental Health: Local Anesthetic/Vasoconstrictor Precautions

No information available to require special precautions


Dental Health: Effects on Dental Treatment

NSAID formulations are known to reversibly decrease platelet aggregation via mechanisms different than observed with aspirin. The dentist should be aware of the potential of abnormal coagulation. Caution should also be exercised in the use of NSAIDs in patients already on anticoagulant therapy with drugs such as warfarin (Coumadin®).


Patient Information

Take this medication exactly as directed; do not increase dose without consulting prescriber. Do not crush tablets or break capsules. Take with food or milk to reduce GI distress. Maintain adequate fluid intake (2-3 L/day of fluids unless instructed to restrict fluid intake). Do not use alcohol, aspirin, or aspirin-containing medication, and all other anti-inflammatory medications without consulting prescriber. You may experience dizziness, nervousness, or headache (use caution when driving or engaging in tasks requiring alertness until response to drug is known); nausea, vomiting, or heartburn (frequent small meals, frequent mouth care, sucking lozenges, or chewing gum may help); constipation (increased exercise, fluids, or dietary fruit and fiber may help). GI bleeding, ulceration, or perforation can occur with or without pain; discontinue medication and contact prescriber if persistent abdominal pain or cramping, or blood in stool occurs. Report chest pain or palpitations; breathlessness or difficulty breathing; unusual bruising/bleeding; blood in urine, stool, mouth, or vomitus; unusual fatigue; skin rash or itching; unusual weight gain or swelling of extremities; change in urinary pattern; or change in vision or hearing or ringing in ears. Pregnancy precautions: Inform prescriber if you are or intend to be pregnant.


Nursing Implications

Monitor occult blood loss, CBC, liver enzymes, BUN, serum creatinine, periodic liver function test


Dosage Forms

Capsule, as sodium (Tolectin® DS): 400 mg

Tablet, as sodium (Tolectin®): 200 mg, 600 mg


References

Berde C, Ablin A, Glazer J, et al, "American Academy of Pediatrics Report of the Subcommittee on Disease-Related Pain in Childhood Cancer," Pediatrics, 1990, 86(5 Pt 2):818-25.

Brooks PM and Day RO, "Nonsteroidal Anti-inflammatory Drugs - Differences and Similarities," N Engl J Med, 1991, 324(24):1716-25.

Clinch D, Banerjee AK, Ostick G, "Absence of Abdominal Pain in Elderly Patients With Peptic Ulcer," Age Ageing, 1984, 13:120-3.

Clive DM, Stoff JS, "Renal Syndromes Associated With Nonsteroidal Anti-inflammatory Drugs," N Engl J Med, 1984, 310(9):563-72.

Court H and Volans GN, "Poisoning After Overdose With Nonsteroidal Anti-inflammatory Drugs," Adverse Drug React Acute Poisoning Rev, 1984, 3(1):1-21.

Graham DY, "Prevention of Gastroduodenal Injury Induced by Chronic Nonsteroidal Anti-inflammatory Drug Therapy," Gastroenterology, 1989, 96(2 Pt 2 Suppl):675-81.

Gurwitz JH, Avorn J, Ross-Degnan D, et al, "Nonsteroidal Anti-Inflammatory Drug-Associated Azotemia in the Very Old," JAMA, 1990, 264(4):471-5.

Hawkey CJ, Karrasch JA, Szczepanski L, et al, "Omeprazole Compared With Misoprostrol for Ulcers Associated With Nonsteroidal Anti-inflammatory Drugs," N Engl J Med, 1998, 338(11):727-34.

Hollingworth P, "The Use of Nonsteroidal Anti-inflammatory Drugs in Paediatric Rheumatic Diseases," Br J Rheumatol, 1993, 32(1):73-7.

Hoppmann RA, Peden JG, and Ober SK, "Central Nervous System Side Effects of Nonsteroidal Anti-inflammatory Drugs. Aseptic Meningitis, Psychosis, and Cognitive Dysfunction," Arch Intern Med, 1991, 151(7):1309-13.

Pounder R, "Silent Peptic Ulceration: Deadly Silence or Golden Silence?" Gastroenterology, 1989, 96(2 Pt 2 Suppl):626-31.

Rose CD and Doughty RA, "Pharmacological Management of Juvenile Rheumatoid Arthritis," Drugs, 1992, 43(6):849-63.

Smolinske SC, Hall AH, Vandenberg SA, et al, "Toxic Effects of Nonsteroid Anti-inflammatory Drugs in Overdose. An Overview of Recent Evidence on Clinical Effects and Dose-Response Relationships," Drug Saf, 1990, 5(4):252-74.

Vale JA and Meredith TJ, "Acute Poisoning Due to Nonsteroidal Anti-inflammatory Drugs," Med Toxicol, 1986, 1(1):12-31.

Verbeeck RK, "Pharmacokinetic Drug Interactions With Nonsteroidal Anti-inflammatory Drugs," Clin Pharmacokinet, 1990, 19(1):44-66.

Yeomans ND, Tulassay Z, Juhasz L, et al, "A Comparison of Omeprazole With Ranitidine for Ulcers Associated With Nonsteroidal Anti-inflammatory Drugs," N Engl J Med, 1998, 338(11):719-26.


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