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Drug Interactions between esmolol and tocainide

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

esmolol tocainide

Applies to: esmolol and tocainide

MONITOR: The concomitant use of tocainide and beta-blockers may have additive effects on cardiac index, left ventricular function, and pulmonary wedge pressure. While significant interactions have not been reported in studies, cases of asystole have been reported in patients with preexisting electrophysiologic abnormalities after tocainide and metoprolol were coadministered. The mechanism is not known, but may be related to an additive effect on the sinus node or conduction system, especially in patients with sick sinus syndrome. Cases of confusion and paranoia have also been reported after coadministration of tocainide and propranolol.

MANAGEMENT: The concomitant use of tocainide and beta blockers should probably be avoided in patients with atrioventricular conduction abnormalities or sick sinus syndrome. This combination should be used cautiously in other patients, with careful dose titration and close clinical and electrocardiographic monitoring for efficacy and safety.

References (3)
  1. Rubino M, Jackson E (1982) "Severe paranoia with concomitant tocainide and propranolol therapy." Clin Pharm, 1, p. 177-9
  2. Roden DM, Woosley RL (1986) "Tocainide." N Engl J Med, 315, p. 41-5
  3. Ikram H (1980) "Hemodynamic and electrophysiologic interactions between antiarrhythmic drugs and beta blockers, with special reference to tocainide." Am Heart J, 100, p. 1076-80

Drug and food interactions

Moderate

esmolol food

Applies to: esmolol

MONITOR: Many psychotherapeutic and CNS-active agents (e.g., anxiolytics, sedatives, hypnotics, antidepressants, antipsychotics, opioids, alcohol, muscle relaxants) exhibit hypotensive effects, especially during initiation of therapy and dose escalation. Coadministration with antihypertensives and other hypotensive agents, in particular vasodilators and alpha-blockers, may result in additive effects on blood pressure and orthostasis.

MANAGEMENT: Caution and close monitoring for development of hypotension is advised during coadministration of these agents. Some authorities recommend avoiding alcohol in patients receiving vasodilating antihypertensive drugs. Patients should be advised to avoid rising abruptly from a sitting or recumbent position and to notify their physician if they experience dizziness, lightheadedness, syncope, orthostasis, or tachycardia. Patients should also avoid driving or operating hazardous machinery until they know how the medications affect them.

References (10)
  1. Sternbach H (1991) "Fluoxetine-associated potentiation of calcium-channel blockers." J Clin Psychopharmacol, 11, p. 390-1
  2. Shook TL, Kirshenbaum JM, Hundley RF, Shorey JM, Lamas GA (1984) "Ethanol intoxication complicating intravenous nitroglycerin therapy." Ann Intern Med, 101, p. 498-9
  3. Feder R (1991) "Bradycardia and syncope induced by fluoxetine." J Clin Psychiatry, 52, p. 139
  4. Ellison JM, Milofsky JE, Ely E (1990) "Fluoxetine-induced bradycardia and syncope in two patients." J Clin Psychiatry, 51, p. 385-6
  5. Rodriguez de la Torre B, Dreher J, Malevany I, et al. (2001) "Serum levels and cardiovascular effects of tricyclic antidepressants and selective serotonin reuptake inhibitors in depressed patients." Ther Drug Monit, 23, p. 435-40
  6. Cerner Multum, Inc. "Australian Product Information."
  7. Pacher P, Kecskemeti V (2004) "Cardiovascular side effects of new antidepressants and antipsychotics: new drugs, old concerns?" Curr Pharm Des, 10, p. 2463-75
  8. Andrews C, Pinner G (1998) "Postural hypotension induced by paroxetine." BMJ, 316, p. 595
  9. (2023) "Product Information. Buprenorphine (buprenorphine)." G.L. Pharma UK Ltd
  10. (2023) "Product Information. Temgesic (buprenorphine)." Reckitt Benckiser Pty Ltd

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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