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Also indexed as: Serax
Oxazepam is used to treat symptoms of anxiety, such as worry, restlessness, and insomnia; symptoms that occur during alcohol withdrawal; and agitation and irritability in elderly individuals. Oxazepam is in a class of drugs known as benzodiazepines.
Summary of Interactions with Vitamins, Herbs, and Foods
In some cases, an 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: Adverse interaction—Avoid these supplements when taking this medication because taking them together may cause undesirable or dangerous results. | Alcohol Smoking |
| Depletion or interference | None known |
| Side effect reduction/prevention | None known |
| Reduced drug absorption/bioavailability | 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.
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 oxazepam specifically.
Food
Controlled studies have shown that eating diets low in calories, protein, and carbohydrates can reduce the elimination of oxazepam from the body and increase the amount of time it remains in the blood.2 3 On the other hand, research indicates that certain foods, such as Brussels sprouts and cabbage, might reduce blood levels of oxazepam and increase the removal of the drug.4 Further research is needed to determine whether certain foods and diets can result in significant changes in the effectiveness or safety of oxazepam.
Alcohol
Drinking alcoholic beverages with oxazepam can increase side effects of the drug, such as drowsiness, fatigue, and light-headedness.5 Therefore, alcohol should be avoided by people taking oxazepam, especially when staying alert is necessary.
Smoking
Cigarette smoking can significantly increase the elimination of oxazepam from the body.6 Problems might occur if people either start or stop smoking while taking oxazepam. Individuals who stop smoking may experience increased side effects, while those who start smoking may notice that the drug is less effective.
1. Bhatti JZ, Hindmarch I. Vinpocetine effects on cognitive impairments produced by flunitrazepam. Int Clin Psychopharmacol 1987;2:325–31.
2. Sonne J. Factors and conditions affecting the glucuronidation of oxazepam. Pharmacol Toxicol 1993;73 Suppl 1:1–23.
3. Hamberg O, Ovesen L, Dorfeldt A, et al. The effect of dietary energy and protein deficiency on drug metabolism. Eur J Clin Pharmacol 1990;38:567–70.
4. Pantuck EJ, Pantuck CB, Anderson KE, et al. Effect of Brussels sprouts and cabbage on drug conjugation. Clin Pharmacol Ther 1984;35:161–9.
5. Olin BR, ed. Central Nervous System Drugs, Psychotherapeutic Drugs, Antianxiety Agents, Benzodiazepines. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, 1993, 1255–69.
6. Ochs HR, Greenblatt DJ, Otten H. Disposition of oxazepam in relation to age, sex, and cigarette smoking. Klin Wochenschr 1981;59:899–903.
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Learn more about the authors of Using Medicines with Vitamins and Herbs
The information presented in Aisle7 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 pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires February 2010.
