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Drug Interactions between erythromycin and Septocaine

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

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Interactions between your drugs

No interactions were found between erythromycin and Septocaine. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

erythromycin

A total of 641 drugs are known to interact with erythromycin.

Septocaine

A total of 324 drugs are known to interact with Septocaine.

Drug and food interactions

Moderate

erythromycin food

Applies to: erythromycin

ADJUST DOSING INTERVAL: Food may variably affect the bioavailability of different oral formulations and salt forms of erythromycin. The individual product package labeling should be consulted regarding the appropriate time of administration in relation to food ingestion. Grapefruit juice may increase the plasma concentrations of orally administered erythromycin. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. In an open-label, crossover study consisting of six healthy subjects, the coadministration with double-strength grapefruit juice increased the mean peak plasma concentration (Cmax) and area under the concentration-time curve (AUC) of a single dose of erythromycin (400 mg) by 52% and 49%, respectively, compared to water. The half-life was not affected. The clinical significance of this potential interaction is unknown.

MANAGEMENT: In general, optimal serum levels are achieved when erythromycin is taken in the fasting state, one-half to two hours before meals. However, some erythromycin products may be taken without regard to meals.

References

  1. Welling PG, Huang H, Hewitt PF, Lyons LL "Bioavailability of erythromycin stearate: influence of food and fluid volume." J Pharm Sci 67 (1978): 764-6
  2. Welling PG, Elliott RL, Pitterle ME, et al. "Plasma levels following single and repeated doses of erythromycin estolate and erythromycin stearate." J Pharm Sci 68 (1979): 150-5
  3. Welling PG "Influence of food and diet on gastrointestinal drug absorption: a review." J Pharmacokinet Biopharm 5 (1977): 291-334
  4. Coyne TC, Shum S, Chun AH, Jeansonne L, Shirkey HC "Bioavailability of erythromycin ethylsuccinate in pediatric patients." J Clin Pharmacol 18 (1978): 194-202
  5. Malmborg AS "Effect of food on absorption of erythromycin. A study of two derivatives, the stearate and the base." J Antimicrob Chemother 5 (1979): 591-9
  6. Randinitis EJ, Sedman AJ, Welling PG, Kinkel AW "Effect of a high-fat meal on the bioavailability of a polymer-coated erythromycin particle tablet formulation." J Clin Pharmacol 29 (1989): 79-84
  7. Kanazawa S, Ohkubo T, Sugawara K "The effects of grapefruit juice on the pharmacokinetics of erythromycin." Eur J Clin Pharmacol 56 (2001): 799-803
View all 7 references

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Moderate

EPINEPHrine food

Applies to: Septocaine (articaine / epinephrine)

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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Minor

erythromycin food

Applies to: erythromycin

Ethanol, when combined with erythromycin, may delay absorption and therefore the clinical effects of the antibiotic. The mechanism appears to be due to slowed gastric emptying by ethanol. Data is available only for erythromycin ethylsuccinate. Patients should be advised to avoid ethanol while taking erythromycin salts.

References

  1. Morasso MI, Chavez J, Gai MN, Arancibia A "Influence of alcohol consumption on erythromycin ethylsuccinate kinetics." Int J Clin Pharmacol 28 (1990): 426-9

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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.


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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.