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Complementary and Alternative Medicine - Cam

Search Health Information    Clorazepate

Topic Contents


Drug Information

Clorazepate is used to treat the symptoms of anxiety , including restlessness, insomnia , and worry; it is also used for convulsions and symptoms associated with acute alcohol withdrawal. It is in a class of drugs known as benzodiazepines.

Common brand names:

Tranxene T-Tab, Tranxene-SD

Summary of Interactions with Vitamins, Herbs, & Foods

Types of interactions: Beneficial Adverse Check

Replenish Depleted Nutrients

  • none

Reduce Side Effects

  • none

Support Medicine

  • Vinpocetine

    In a preliminary trial, an extract of periwinkle called vinpocetine was shown to produce minor improvements in short-term memory among people taking flunitrazepam, a benzodiazepine.1 Further study is needed to determine if vinpocetine would be a helpful adjunct to use of benzodiazepines, or clorazepate specifically.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.

Reduces Effectiveness

  • none

Potential Negative Interaction

  • none

Explanation Required 

  • L-Tryptophan

    Test tube studies show that L-tryptophan and clorazepate dipotassium interact in the blood in such a way that the actions of the drug may be enhanced when high amounts of L-tryptophan are ingested.2 Controlled research is needed to determine the significance of this interaction and to investigate possible interactions between clorazepate and 5-hydroxytryptophan , a supplement related to L-tryptophan.

    The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers’ package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.


1. Bhatti JZ, Hindmarch I. Vinpocetine effects on cognitive impairments produced by flunitrazepam. Int Clin Psychopharmacol 1987;2:325-31.

2. Coassolo P, Briand C, Bourdeaux M, Sari JC. Microcalorimetric method to determine competitive binding. Action of a psychotropic drug (dipotassium clorazepate) on L-tryptophan human serum albumin complex. Biochem Biophys Acta 1978;538:512-20.

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