Clorazepate Dipotassium

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Also indexed as: Apo-Clorazepate, Gen-Xene, Novo-Clopate, Tranxene

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.

Summary of Interactions with Vitamins, Herbs, and Foods
In some cases, a herb or supplement may appear in more than one category, which may seem contradictory. For clarification, read the full article for details about the summarized interactions.

May Be Beneficial: Supportive interaction—Taking these supplements may support or otherwise help your medication work better.	Vinpocetine*
Avoid: Reduced drug absorption/bioavailability—Avoid these supplements when taking this medication since the supplement may decrease the absorption and/or activity of the medication in the body.	Tobacco
Avoid: Adverse interaction—Avoid these supplements when taking this medication because taking them together may cause undesirable or dangerous results.	Alcohol
Check: Other—Before taking any of these supplements or eating any of these foods with your medication, read this article in full for details.	L-tryptophan*
Depletion or interference	None known
Side effect reduction/prevention	None known

An asterisk (*) next to an item in the summary indicates that the interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.

Interactions with Dietary Supplements

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.¹ 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.

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.² Further study is needed to determine if vinpocetine would be a helpful adjunct to use of benzodiazepines, or clorazepate specifically.

Interactions with Foods and Other Compounds

Alcohol
Drinking alcohol while taking clorazepate may enhance drowsiness and slow reaction time,³ and, according to animal studies, prolong sleep time.⁴ Consequently, people taking clorazepate dipotassium should avoid alcoholic drinks.

Smoking
Cigarette smoking decreases the amount of time clorazepate is in the body, lowers blood levels of the drug, and reduces the beneficial effects;⁵ therefore, people should avoid smoking while taking the drug. People who quit smoking while taking clorazepate might experience unwanted side effects due to increased blood levels of the drug; gradual reduction in nicotine is preferred.

References
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The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or chemist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires September 2008.

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Interactions with Dietary Supplements

Interactions with Foods and Other Compounds