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Drug Interactions between deserpidine and Panmist JR

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

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Interactions between your drugs

Moderate

pseudoephedrine deserpidine

Applies to: Panmist JR (guaifenesin / pseudoephedrine) and deserpidine

MONITOR: Sympathomimetic amines may decrease the hypotensive effect of postganglionic adrenergic blocking agents, while the latter may potentiate the pharmacologic effects of direct-acting sympathomimetic amines (e.g., dobutamine, epinephrine, methoxamine, norepinephrine) but inhibit those that are primarily indirect-acting (e.g., mephentermine). Postganglionic adrenergic blocking agents such as guanadrel, guanethidine, and rauwolfia alkaloids work by depleting catecholamine stores from adrenergic nerve endings. Therefore, they may sensitize adrenergic receptors to direct-acting sympathomimetics, but blunt the effects of indirect-acting agents whose activity is mediated through the release of catecholamines. Guanethidine and reserpine have been reported to attenuate the pharmacologic effects (mydriasis, pressor response) induced by ephedrine and dopamine, both of which exhibit direct and indirect sympathomimetic activities (i.e., mixed-acting). However, guanethidine intensified the mydriasis produced by phenylephrine, which is also thought to be mixed-acting. Conversely, ephedrine has been shown to partially reverse the hypotensive effect of guanethidine.

MANAGEMENT: Due to their pressor effect, sympathomimetic amines should be used cautiously in patients with hypertension. Alternatives to postganglionic adrenergic blocking agents should be considered if patients are treated with sympathomimetic amines, since effects of the latter may be intensified or diminished depending on whether they are direct- or indirect-acting. Most agents with indirect sympathomimetic activity are mixed-acting, thus it may be difficult to predict how they will be affected by postganglionic adrenergic blocking agents. If the combination is used, blood pressure and heart rate should be monitored.

References

  1. Spiers AS, Calne DB (1969) "Action of dopamine on the human iris." Br Med J, 4, p. 333-5
  2. Ziegler CH, Lovette JB (1961) "Operative complications after therapy with reserpine and reserpine compounds." JAMA, 176, p. 114-7
  3. Sneddon JM, Turner P (1969) "Ephedrine mydriasis in hypertension and the response to treatment." Clin Pharmacol Ther, 10, p. 64-71
  4. Burn JH, Rand MJ (1958) "The action of sympathomimetic amines in animals treated with reserpine." J Physiol (Lond), 144, p. 314-36
  5. Sherman GP, Walton CA (1975) "Adrenergic transmission and drug interaction." J Am Pharm Assoc, 15, p. 86-90
  6. Gulati OD, Dave BT, Gokhale SD, Shah KM (1966) "Antagonism of adrenergic neuron blockade in hypertensive subjects." Clin Pharmacol Ther, 7, p. 510-4
  7. Muelheims GH, Entrup RW, Paiewonsky D, Mierzwiak DS (1965) "Increased sensitivity of the heart to catecholamine-induced arrhythmias following guanethidine." Clin Pharmacol Ther, 6, p. 757-62
  8. Limbird LE eds., Gilman AG, Hardman JG (1995) "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: McGraw-Hill
View all 8 references

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Drug and food interactions

Moderate

pseudoephedrine food

Applies to: Panmist JR (guaifenesin / pseudoephedrine)

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


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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.