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Terbinex with Eco Formula (hydroxypropyl chitosan / terbinafine topical) Disease Interactions

There are 6 disease interactions with Terbinex with Eco Formula (hydroxypropyl chitosan / terbinafine topical):

Major

Terbinafine (applies to Terbinex with Eco Formula) liver disease

Major Potential Hazard, High plausibility.

Oral terbinafine is not recommended for use in patients with chronic or active liver disease. Terbinafine may be hepatotoxic. Rare cases of cholestatic hepatitis and liver failure, some resulting in liver transplant or death, have been reported during treatment of various dermatologic conditions in patients with and without preexisting liver disease. Although a causal relationship has not been established, the severity of hepatic events and/or their outcome may be worse in patients with active or chronic liver disease.

References

  1. Lowe G, Green C, Jennings P "Hepatitis associated with terbinafine treatment." BMJ 306 (1993): 248
  2. "Product Information. Lamisil (terbinafine)." Sandoz Pharmaceuticals Corporation, East Hanover, NJ.
  3. Balfour JA, Faulds D "Terbinafine. A review of its pharmacodynamic and pharmacokinetic properties, and therapeutic potential in superficial mycoses [published erratum appears in Drugs 1992 May;43(5):699]." Drugs 43 (1992): 259-84
  4. Lazaros GA, Papatheodoridis GV, Delladetsima JK, Tassopoulos NC "Terbinafine-induced cholestatic liver disease." J Hepatol 24 (1996): 753-6
View all 4 references
Major

Terbinafine (applies to Terbinex with Eco Formula) neutropenia

Major Potential Hazard, Low plausibility.

Isolated cases of severe neutropenia have been reported in patients administered oral terbinafine. A causal relationship has not been established, although the neutropenia resolved following discontinuation of terbinafine with or without supportive care. Therapy with terbinafine should be administered cautiously in patients with preexisting neutropenia. It may be appropriate to monitor blood counts more frequently during terbinafine therapy. If secondary infection occurs and the neutrophil count is <= 1000 cells/mm3, terbinafine should be discontinued and supportive management initiated.

References

  1. "Product Information. Lamisil (terbinafine)." Sandoz Pharmaceuticals Corporation, East Hanover, NJ.
  2. Kovacs MJ, Alshammari S, Guenther L, Bourcier M "Neutropenia and pancytopenia associated with oral terbinafine." J Am Acad Dermatol 31 (1994): 806
Moderate

Terbinafine (applies to Terbinex with Eco Formula) depression

Moderate Potential Hazard, Moderate plausibility.

Postmarketing studies have reported depressive symptoms with the use of terbinafine tablets. Terbinafine should be used with caution in patients with depression, and prescribers should be alert to the development of depressive symptoms. Patients and caregivers should be instructed to report any depressive symptoms.

Moderate

Terbinafine (applies to Terbinex with Eco Formula) immunosuppression

Moderate Potential Hazard, Moderate plausibility. Applicable conditions: Immunodeficiency

Transient decreases in absolute lymphocyte counts have been reported with oral terbinafine during clinical trials. The clinical significance of these decreases is unknown. Monitoring of complete blood counts may be appropriate in patients with known or suspected immunodeficiency receiving terbinafine for greater than six weeks.

References

  1. Kovacs MJ, Alshammari S, Guenther L, Bourcier M "Neutropenia and pancytopenia associated with oral terbinafine." J Am Acad Dermatol 31 (1994): 806
  2. "Product Information. Lamisil (terbinafine)." Sandoz Pharmaceuticals Corporation, East Hanover, NJ.
Moderate

Terbinafine (applies to Terbinex with Eco Formula) lupus

Moderate Potential Hazard, Moderate plausibility. Applicable conditions: Lupus Erythematosus

Precipitation and exacerbation of cutaneous and systemic lupus erythematosus has been reported postmarketing in patients taking terbinafine tablets. Terbinafine should be discontinued in patients with any clinical signs and symptoms suggestive of lupus erythematosus.

Moderate

Terbinafine (applies to Terbinex with Eco Formula) renal dysfunction

Moderate Potential Hazard, Moderate plausibility.

The use of oral terbinafine in patients with renal impairment (CrCl <= 50 mL/min) has not been adequately studied and is, therefore, not recommended. Terbinafine metabolites are primarily eliminated by the kidney. The clinical significance of possible metabolite accumulation due to decreased clearance is unknown.

References

  1. Jensen JC "Clinical pharmacokinetics of terbinafine (Lamisil)." Clin Exp Dermatol 14 (1989): 110-3
  2. "Product Information. Lamisil (terbinafine)." Sandoz Pharmaceuticals Corporation, East Hanover, NJ.

Terbinex with Eco Formula (hydroxypropyl chitosan / terbinafine topical) drug interactions

There are 140 drug interactions with Terbinex with Eco Formula (hydroxypropyl chitosan / terbinafine topical)

Terbinex with Eco Formula (hydroxypropyl chitosan / terbinafine topical) alcohol/food interactions

There is 1 alcohol/food interaction with Terbinex with Eco Formula (hydroxypropyl chitosan / terbinafine topical)

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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