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Drug Interactions between epinephrine / prilocaine and levobetaxolol ophthalmic

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

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Interactions between your drugs

Moderate

EPINEPHrine levobetaxolol ophthalmic

Applies to: epinephrine / prilocaine and levobetaxolol ophthalmic

MONITOR: Beta-blockers may antagonize the cardiostimulatory effects of pressor agents by blocking beta-1 adrenergic receptors in the heart. Vasopressors may be less effective if the patient is receiving, or has recently received, a beta-blocking drug. In addition, peripheral vascular resistance may increase due to unopposed alpha-adrenergic effects of pressor agents in the presence of beta-blockade. Theoretically, the interaction may also occur with beta-blocker ophthalmic preparations, since they may be systemically absorbed and can produce clinically significant systemic effects even at low or undetectable plasma levels.

MANAGEMENT: No specific intervention is necessary, but clinicians should be alert to the potential for diminished cardiac response when pressor agents are used in patients treated with beta-blockers, including ophthalmic formulations. A beta-blocker such as propranolol may be used to treat cardiac arrhythmias that occur during administration of pressor agents like mephentermine, metaraminol, norepinephrine, or phenylephrine.

References

  1. "Product Information. Dobutrex (dobutamine)." Lilly, Eli and Company PROD (2002):
  2. "Product Information. Intropin (dopamine)." DuPont Pharmaceuticals PROD (2002):
  3. Richards DA, Prichard BN, Hernandez R "Circulatory effects of noradrenaline and adrenaline before and after labetalol." Br J Clin Pharmacol 7 (1979): 371-8

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Drug and food interactions

Moderate

EPINEPHrine food

Applies to: epinephrine / prilocaine

MONITOR: Coadministration of two or more sympathomimetic agents may increase the risk of adverse effects such as nervousness, irritability, and increased heart rate. Central nervous system (CNS) stimulants, particularly amphetamines, can potentiate the adrenergic response to vasopressors and other sympathomimetic agents. Additive increases in blood pressure and heart rate may occur due to enhanced peripheral sympathetic activity.

MANAGEMENT: Caution is advised if two or more sympathomimetic agents are coadministered. Pulse and blood pressure should be closely monitored.

References

  1. Rosenblatt JE, Lake CR, van Kammen DP, Ziegler MG, Bunney WE Jr "Interactions of amphetamine, pimozide, and lithium on plasma norepineophrine and dopamine-beta-hydroxylase in schizophrenic patients." Psychiatry Res 1 (1979): 45-52
  2. Cavanaugh JH, Griffith JD, Oates JA "Effect of amphetamine on the pressor response to tyramine: formation of p-hydroxynorephedrine from amphetamine in man." Clin Pharmacol Ther 11 (1970): 656
  3. "Product Information. Adderall (amphetamine-dextroamphetamine)." Shire Richwood Pharmaceutical Company Inc PROD (2001):
  4. "Product Information. Tenuate (diethylpropion)." Aventis Pharmaceuticals PROD (2001):
  5. "Product Information. Sanorex (mazindol)." Novartis Pharmaceuticals PROD (2001):
  6. "Product Information. Focalin (dexmethylphenidate)." Mikart Inc (2001):
  7. "Product Information. Strattera (atomoxetine)." Lilly, Eli and Company (2002):
View all 7 references

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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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