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Drug Interactions between lindane topical and Metadate CD

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

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Interactions between your drugs

Moderate

methylphenidate lindane topical

Applies to: Metadate CD (methylphenidate) and lindane topical

MONITOR: Lindane penetrates human skin and has the potential to cause central nervous system toxicity. Seizures have been reported after excessive use or oral ingestion of lindane. There may be a theoretical risk of increased seizure potential when lindane is used with selective serotonin reuptake inhibitors (SSRI antidepressants or anorectics), monoamine oxidase inhibitors, neuroleptic agents, central nervous system stimulants, opioids, tricyclic antidepressants, other tricyclic compounds (e.g., cyclobenzaprine, phenothiazines), and/or any substance that can reduce the seizure threshold (e.g., carbapenems, cholinergic agents, fluoroquinolones, interferons, chloroquine, mefloquine, theophylline). These agents are often individually epileptogenic and may have additive effects when combined.

MANAGEMENT: Caution is advised if lindane is used with any substance that can reduce the seizure threshold, particularly in the very young or the elderly and in patients with epilepsy, a history of seizures, or other risk factors for seizures (e.g., head trauma, brain tumor, metabolic disorders, alcohol and drug withdrawal, CNS infections). Lindane should be used according to recommended dosage and directions for application.

References

  1. Telch J, Jarvis DA (1982) "Acute intoxication with lindane (gamma benzene hexachloride)." Can Med Assoc J, 126, p. 662-3
  2. Munk ZM, Nantel A (1977) "Acute lindane poisoning with development of muscle necrosis." Can Med Assoc J, 117, p. 1050-4
  3. Tenenbein M (1991) "Seizures after lindane therapy." J Am Geriatr Soc, 39, p. 394-5
  4. Pramanik AK, Hansen RC (1979) "Transcutaneous gamma benzene hexachloride absorption and toxicity in infants and children." Arch Dermatol, 115, p. 1224-5
  5. Matsuoka LY (1981) "Convulsions following application of gamma benzene hexachloride." J Am Acad Dermatol, 5, p. 98-9
  6. Solomon BA, Haut SR, Carr EM, Shalita AR (1995) "Neurotoxic reaction to lindane in an HIV-seropositive patient: an old medication's new problem." J Fam Pract, 40, p. 291-6
  7. "Product Information. Kwell (lindane)." Reed and Carnrick, Jersey City, NJ.
  8. Ramchander V, Cameron ES, Reid HF (1991) "Lindane toxicity in an infant." West Indian Med J, 40, p. 41-3
  9. Cox R, Krupnick J, Bush N, Houpt A (2000) "Seizures caused by concomitant use of lindane and dextroamphetamine in a child with attention deficit hyperactivity disorder." J Miss State Med Assoc, 41, p. 690-2
View all 9 references

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Drug and food interactions

Moderate

methylphenidate food

Applies to: Metadate CD (methylphenidate)

GENERALLY AVOID: Alcohol may exacerbate the adverse central nervous system effects of psychoactive drugs, including methylphenidate.

GENERALLY AVOID: Consumption of alcohol while taking certain sustained-release formulations of methylphenidate may cause rapid release of the drug, resulting in increased systemic levels of methylphenidate. In vitro studies have been conducted using Metadate CD 60 mg and Ritalin LA 40 mg capsules, as well as Concerta 18 mg tablet. At an alcohol concentration of 40%, an increase in the release rate of methylphenidate was observed in the first hour for Metadate CD and Ritalin LA, resulting in 84% and 98% of the methylphenidate being released, respectively. In contrast, there was no increased release of methylphenidate in the first hour for Concerta. These results are considered to be representative of the other available strengths of the corresponding product.

MANAGEMENT: Patients treated with methylphenidate should be advised to avoid alcohol or medications that contain alcohol.

References

  1. (2022) "Product Information. Metadate CD (methylphenidate)." Celltech Pharmaceuticals Inc
  2. (2002) "Product Information. Concerta (methylphenidate)." Alza
  3. (2013) "Product Information. Ritalin LA (methylphenidate)." Quality Care Products/Lake Erie Medical

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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

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