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Drug Interactions between doxepin and Jenloga

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

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Interactions between your drugs

Major

cloNIDine doxepin

Applies to: Jenloga (clonidine) and doxepin

GENERALLY AVOID: Potentially life-threatening elevations in blood pressure have been observed when tricyclic antidepressants (TCAs) and clonidine have been administered concomitantly. The mechanism is postulated to be enhancement of the pressor response by the TCA. Reports are available for clomipramine, desipramine and imipramine.

MANAGEMENT: It is recommended that this combination be avoided. If no alternatives exist and this combination must be used, blood pressure should be monitored closely, especially during the first few weeks of therapy. When clonidine, the TCA, or the combination is discontinued, gradual withdrawal is recommended to prevent abrupt blood pressure fluctuations. Patients should be advised to seek medical help if they develop potential symptoms of a hypertensive crisis such as nausea, vomiting, sweating, flushing, dizziness, stiff neck, headache or palpitations.

References

  1. Stiff JL, Harris DB "Clonidine withdrawal complicated by amitriptyline therapy." Anesthesiology 59 (1983): 73-4
  2. Elliott HL, Whiting B, Reid JL "Assessment of the interaction between mianserin and centrally-acting antihypertensive drugs." Br J Clin Pharmacol 15 (1983): s323-8
  3. Checkley SA, Slade AP, Shur E, Dawling S "A pilot study of the mechanism of action of desipramine." Br J Psychiatry 138 (1981): 248-51
  4. Gundert-Remy U, Amann E, Hildebrandt R, Weber E "Lack of interaction between the tetracyclic antidepressant maprotiline and the centrally acting antihypertensive drug clonidine." Eur J Clin Pharmacol 25 (1983): 595-9
  5. Elliott HL, McLean K, Sumner DJ, Reid JL "Absence of an effect of mianserin on the actions of clonidine or methyldopa in hypertensive patients." Eur J Clin Pharmacol 24 (1983): 15-9
  6. Gilman AG, eds., Nies AS, Rall TW, Taylor P "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc. (1990):
View all 6 references

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Drug and food interactions

Moderate

cloNIDine food

Applies to: Jenloga (clonidine)

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.

References

  1. Sternbach H "Fluoxetine-associated potentiation of calcium-channel blockers." J Clin Psychopharmacol 11 (1991): 390-1
  2. Shook TL, Kirshenbaum JM, Hundley RF, Shorey JM, Lamas GA "Ethanol intoxication complicating intravenous nitroglycerin therapy." Ann Intern Med 101 (1984): 498-9
  3. Feder R "Bradycardia and syncope induced by fluoxetine." J Clin Psychiatry 52 (1991): 139
  4. Ellison JM, Milofsky JE, Ely E "Fluoxetine-induced bradycardia and syncope in two patients." J Clin Psychiatry 51 (1990): 385-6
  5. Rodriguez de la Torre B, Dreher J, Malevany I, et al. "Serum levels and cardiovascular effects of tricyclic antidepressants and selective serotonin reuptake inhibitors in depressed patients." Ther Drug Monit 23 (2001): 435-40
  6. Cerner Multum, Inc. "Australian Product Information." O 0
  7. Pacher P, Kecskemeti V "Cardiovascular side effects of new antidepressants and antipsychotics: new drugs, old concerns?" Curr Pharm Des 10 (2004): 2463-75
  8. Andrews C, Pinner G "Postural hypotension induced by paroxetine." BMJ 316 (1998): 595
View all 8 references

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Moderate

doxepin food

Applies to: doxepin

GENERALLY AVOID: Concomitant use of ethanol and a tricyclic antidepressant (TCA) may result altered TCA plasma levels and efficacy, and additive impairment of motor skills, especially driving skills. Acute ethanol ingestion may inhibit TCA metabolism, while chronic ingestion of large amounts of ethanol may induce hepatic TCA metabolism.

MANAGEMENT: Patients should be advised to avoid alcohol during TCA therapy. Alcoholics who have undergone detoxification should be monitored for decreased TCA efficacy. Dosage adjustments may be required.

References

  1. Dorian P, Sellers EM, Reed KL, et al. "Amitriptyline and ethanol: pharmacokinetic and pharmacodynamic interaction." Eur J Clin Pharmacol 25 (1983): 325-31
  2. Warrington SJ, Ankier SI, Turner P "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology 15 (1986): 31-7
  3. Sandoz M, Vandel S, Vandel B, Bonin B, Allers G, Volmat R "Biotransformation of amitriptyline in alcoholic depressive patients." Eur J Clin Pharmacol 24 (1983): 615-21
  4. Ciraulo DA, Barnhill JG, Jaffe JH "Clinical pharmacokinetics of imipramine and desipramine in alcoholics and normal volunteers." Clin Pharmacol Ther 43 (1988): 509-18
  5. Seppala T, Linnoila M, Elonen E, Mattila MJ, Makl M "Effect of tricyclic antidepressants and alcohol on psychomotor skills related to driving." Clin Pharmacol Ther 17 (1975): 515-22
  6. Ciraulo DA, Barnhill JG, Jaffe JH, Ciraulo AM, Tarmey MF "Intravenous pharmacokinetics of 2-hydroxyimipramine in alcoholics and normal controls." J Stud Alcohol 51 (1990): 366-72
  7. Ciraulo DA, Alderson LM, Chapron DJ, Jaffe JH, Subbarao B, Kramer PA "Imipramine disposition in alcoholics." J Clin Psychopharmacol 2 (1982): 2-7
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.

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