Chlordiazepoxide

Anxiety Disorders, Alcohol Withdrawal Delirium

DRUG STATUS

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Approvals

US(FDA), UK(BNF)

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Essential Medicine

NO

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Teratogenicity

Unlisted

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Pharmaceutical Class

Benzodiazepine

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Drug Ingredient

Chlordiazepoxide

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Summary

  • Chlordiazepoxide is used to treat anxiety disorders, withdrawal symptoms from alcohol, and anxiety before surgery.

  • Chlordiazepoxide works by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA) in your brain. This neurotransmitter reduces nerve cell activity, leading to calming effects, reducing anxiety, inducing sedation, and reducing muscle spasms.

  • Chlordiazepoxide is taken orally. The starting dose for adults is 50-100 mg per day, which can be adjusted up to 300 mg per day if needed. Once symptoms are under control, the dose is reduced to the lowest effective amount. For elderly or debilitated patients, the starting dose is 10 mg or less per day.

  • Common side effects include feeling sleepy, having trouble moving, and confusion. In rare cases, it can cause serious problems like passing out, seizures, or even death.

  • Never take Chlordiazepoxide with opioids as it can lead to serious side effects like slowed breathing, coma, or even death. This medication can be addictive, and stopping suddenly can cause serious withdrawal symptoms which can be life-threatening.

Indications and Purpose

What is Chlordiazepoxide used for?

Chlordiazepoxide HCl is a medication used to treat anxiety. It can be used for short periods to relieve symptoms of anxiety, or to treat withdrawal symptoms from alcohol. It can also be used before surgery to reduce anxiety and apprehension.

How does Chlordiazepoxide work?

Chlordiazepoxide works by acting on the central nervous system (CNS), specifically by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA). GABA is an inhibitory neurotransmitter that reduces the activity of nerve cells in the brain, leading to calming effects. This mechanism helps to alleviate symptoms of anxiety, induce sedation, and reduce muscle spasms. Chlordiazepoxide is a benzodiazepine, and its effects can lead to relaxation, drowsiness, and a reduction in anxiety.

Is Chlordiazepoxide effective?

Evidence supporting the effectiveness of chlordiazepoxide comes from clinical studies showing its efficacy in treating anxiety, alcohol withdrawal symptoms, and muscle spasms. Research indicates that chlordiazepoxide significantly reduces anxiety levels, with its calming effects visible within hours of administration. It has been consistently shown to be effective in managing acute alcohol withdrawal, preventing seizures, and reducing muscle tension in various clinical settings.

How does one know if Chlordiazepoxide is working?

The benefit of chlordiazepoxide is evaluated through clinical monitoring of symptom reduction in conditions like anxiety, alcohol withdrawal, and muscle spasms. The effectiveness is assessed by observing improvements in anxiety levels, alcohol withdrawal symptoms (such as tremors or seizures), and muscle relaxation. In some cases, physicians may also use scales or questionnaires to measure changes in patient-reported outcomes or anxiety levels. Additionally, regular follow-up visits help determine whether the dosage needs adjustment or if the medication is still providing the desired therapeutic effect.

Directions for Use

What is the usual dose of Chlordiazepoxide?

The usual daily dose of chlordiazepoxide for adults is 5 to 10 mg orally, 3 to 4 times daily for mild to moderate anxiety, and 20 to 25 mg for severe anxiety. For children aged 6 and older, the initial dose is 5 mg, with possible increases to 10 mg as needed. Use in children under 6 is not recommended.

How do I take Chlordiazepoxide?

Chlordiazepoxide should be taken exactly as prescribed by your healthcare provider. It can be taken with or without food, depending on your preference or if it causes stomach upset. Avoid consuming alcohol while using this medication, as it can increase the risk of severe side effects, such as dizziness or drowsiness. Follow your healthcare provider’s instructions regarding dosage and frequency, and never stop suddenly without consulting them.

For how long do I take Chlordiazepoxide?

Chlordiazepoxide HCl is a prescription medication used to treat anxiety. It should not be used for longer than 4 months, as longer use can lead to dependence and serious withdrawal symptoms if you stop taking it abruptly. Instead, it is recommended to gradually reduce the dosage under the supervision of a healthcare professional to minimize the risk of withdrawal reactions.

How long does it take for Chlordiazepoxide to start working?

Chlordiazepoxide typically starts working within 30 minutes to 2 hours after taking it. The effects, such as reduced anxiety or sedation, may be noticed fairly quickly. However, the full therapeutic effects, especially in treating conditions like anxiety or alcohol withdrawal, may take several days of consistent use. Always follow your healthcare provider's guidance for optimal results.

How should I store Chlordiazepoxide?

Store Chlordiazepoxide HCl in a cool, dry place where the temperature stays between 68°F to 77°F (20°C to 25°C). Keep the capsules in a container that closes tightly to keep out light.

Warnings and Precautions

Who should avoid taking Chlordiazepoxide?

**Important Warnings:** * **Never** take this medication with opioids (pain relievers) as it can lead to serious side effects like slowed breathing, coma, or even death. * **Be aware** that this medication can be addictive. If you take it for a long time, it may be difficult to stop without experiencing withdrawal symptoms. * **Sudden stopping** of this medication can cause serious withdrawal symptoms, which can be life-threatening.

Can I take Chlordiazepoxide with other prescription drugs?

Chlordiazepoxide has several significant drug interactions that can affect its safety and effectiveness. Some key interactions include:

  1. CNS depressants (e.g., alcohol, barbiturates, benzodiazepines, opioids): Concurrent use can cause enhanced sedation, respiratory depression, and risk of overdose.
  2. Antidepressants (e.g., SSRIs, SNRIs, tricyclics): Increased sedative effects and potential for serotonin syndrome.
  3. Anticonvulsants (e.g., phenytoin, carbamazepine): Can affect the metabolism of chlordiazepoxide, potentially reducing its effectiveness or increasing the risk of side effects.
  4. Antihypertensive drugs (e.g., beta-blockers, ACE inhibitors): Combined use may increase the risk of excessive sedation or hypotension.

Can I take Chlordiazepoxide with vitamins or supplements?

Chlordiazepoxide can interact with certain vitamins and supplements, though these interactions are generally less significant than with other medications. Notably, it may interact with:

  1. Vitamin C: High doses of vitamin C may increase the metabolism of chlordiazepoxide, potentially reducing its effectiveness.
  2. St. John's Wort: This herbal supplement can reduce the effectiveness of chlordiazepoxide by increasing its metabolism through the cytochrome P450 enzymes.
  3. Magnesium or calcium supplements: These can potentially alter the absorption of chlordiazepoxide, affecting its overall effectiveness.

Can Chlordiazepoxide be taken safely while pregnant?

Chlordiazepoxide is classified as a Category D medication for pregnancy, indicating potential risks to the fetus. It may cause fetal harm, including respiratory depression, hypotonia, and withdrawal symptoms in newborns if taken during pregnancy, especially in the third trimester. It is generally advised to avoid its use during pregnancy unless absolutely necessary, with potential alternatives being considered by a healthcare provider.

Can Chlordiazepoxide be taken safely while breastfeeding?

Chlordiazepoxide is excreted in breast milk, and its use during breastfeeding is generally not recommended unless absolutely necessary. It may cause sedation, lethargy, or respiratory depression in a nursing infant. If used, the infant should be monitored for any adverse effects, and a decision should be made about whether to discontinue breastfeeding or the medication.

Is Chlordiazepoxide safe for the elderly?

Elderly patients require lower doses to avoid side effects like drowsiness or balance issues. Extra caution is necessary​.

Is it safe to exercise while taking Chlordiazepoxide?

Exercise is fine unless dizziness or balance issues occur. Engage in light to moderate activity and avoid strenuous exercise if drowsy.

Is it safe to drink alcohol while taking Chlordiazepoxide?

Mixing the medication Chlordiazepoxide HCl with alcohol can make you feel very sleepy or dizzy. It is important to avoid drinking alcohol while taking this medication unless your doctor tells you it is okay.