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Anticholinergics / antispasmodics oral capsule (5 mg-2.5 mg)

Chlordiazepoxide and clidinium

Generic name: chlordiazepoxide and clidinium

Brand names: Librax, Clindex, Chlordinium

Last updated November 1, 2026 0 views
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What is chlordiazepoxide and clidinium?

Chlordiazepoxide is a benzodiazepine (ben-zoe-dye-AZE-eh-peen). Clidinium lowers stomach acid and reduces intestinal spasms.

Chlordiazepoxide and clidinium is a combination medicine that may help treat emotional distress related to a stomach disorder (like an ulcer, irritable bowel syndrome, or intestinal infection). Treatment may also include other medications.

Chlordiazepoxide and clidinium may also be used for reasons not mentioned in this medication guide.

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How should I take chlordiazepoxide and clidinium?

Follow the directions on your prescription label and read all medication guides or instruction sheets. Never use this medicine in larger amounts, or for longer than prescribed. Tell your doctor if you feel an increased urge to use more of this medicine.

Never share this medicine with another person, especially someone with a history of drug addiction. MISUSE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH. Keep the medicine where others cannot get to it. Selling or giving away this medicine is against the law.

Chlordiazepoxide and clidinium is usually taken before meals and at bedtime. Follow your doctor's instructions.

Call your doctor if your symptoms do not improve, or if they get worse.

Do not stop using this medicine without asking your doctor. You may have life-threatening withdrawal symptoms if you stop using the medicine suddenly after long-term use.

Store at room temperature away from moisture and heat. Keep your medicine in a place where no one can use it improperly.

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Warnings

Chlordiazepoxide can slow or stop your breathing, especially if you have recently used an opioid medication or alcohol.

MISUSE OF THIS MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH. Keep this medicine where others cannot reach it.

Do not stop using this medicine without asking your doctor. Stopping suddenly after long-term use can cause life-threatening withdrawal symptoms. Some withdrawal symptoms may last up to 12 months or longer.

Get medical help right away if you stop using this medicine and have symptoms such as: unusual muscle movements, being more active or talkative, sudden and severe changes in mood or behavior, confusion, hallucinations, seizures, or thoughts about suicide.

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Before taking this medicine

You should not use chlordiazepoxide and clidinium if you are allergic to chlordiazepoxide or clidinium, or if you have:

  • glaucoma;
  • an enlarged prostate; or
  • a bladder obstruction or other urination problems.

Tell your doctor if you have ever had:

  • eye problems;
  • urination problems;
  • bleeding problems;
  • liver or kidney disease;
  • drug or alcohol addiction; or
  • depression, mental illness, or suicidal thoughts.

Tell your doctor if you are pregnant or plan to become pregnant. Chlordiazepoxide and clidinium may harm an unborn baby. Avoid taking this medicine during the first trimester of pregnancy.

Ask a doctor if it is safe to breastfeed while using this medicine. Chlordiazepoxide and clidinium can slow breast milk production.

Not approved for use by anyone younger than 18 years old.

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Chlordiazepoxide and clidinium side effects

Get emergency medical help if you notice any signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Chlordiazepoxide and clidinium can slow or stop your breathing, especially if you have recently used an opioid medication or alcohol. A person taking care of you should seek emergency medical help if you experience slow breathing with long pauses, blue lips, or if you are difficult to wake up.

Chlordiazepoxide and clidinium may cause serious side effects. Call your doctor immediately if you have:

  • severe drowsiness or slurred speech;
  • slow heart rate or slow breathing (breathing may stop);
  • a seizure;
  • issues with memory or concentration;
  • unusual changes in mood or behavior, thoughts of suicide or self-harm;
  • problems with balance or muscle movement;
  • confusion, paranoia, anger, aggression; or
  • stomach pain, loss of appetite.

Drowsiness or dizziness may last longer in older adults. Be careful to avoid falling or getting injured.

Common side effects of chlordiazepoxide and clidinium may include:

  • dry mouth;
  • blurred vision;
  • constipation, nausea;
  • urination problems;
  • confusion, drowsiness, loss of coordination;
  • rash;
  • swelling;
  • irregular menstrual periods; or
  • increased or decreased interest in sex.

After stopping chlordiazepoxide and clidinium, seek medical help right away if you experience symptoms such as: unusual muscle movements, increased activity or talkativeness, sudden and severe mood or behavior changes, confusion, hallucinations, seizures, or thoughts of suicide or actions.

Some withdrawal symptoms may last up to 12 months or more after suddenly stopping this medicine. Inform your doctor if you have ongoing anxiety, depression, memory or thinking issues, trouble sleeping, ringing in your ears, a burning or prickly feeling, or a crawling sensation under your skin.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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What happens if I miss a dose?

Take the medicine as soon as you remember, but skip the missed dose if it is nearly time for your next dose. Do not take two doses at the same time.

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What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Taking too much chlordiazepoxide and clidinium can be deadly, especially if combined with alcohol, opioid medicine, or other drugs that make you sleepy or slow your breathing.

Signs of an overdose may include dry mouth, blurred vision, urinating less, constipation, extreme drowsiness, confusion, muscle weakness, or loss of consciousness.

Avoid drinking alcohol. Serious side effects or death could happen.

Do not drive or do anything dangerous until you know how chlordiazepoxide and clidinium will affect you. Dizziness or drowsiness can lead to falls, accidents, or serious injuries.

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What other drugs will affect chlordiazepoxide and clidinium?

Taking this medicine with other drugs that make you sleepy or slow your breathing can lead to serious side effects or even death. Talk to your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicines for anxiety or seizures.

Inform your doctor about all your other medicines, especially:

  • medicines to treat a mental illness;--promethazine, thioridazine, and others; or
  • an MAO inhibitor--isocarboxazid, linezolid, methylene blue injection, phenelzine, tranylcypromine, and others.

This list is not complete. Other drugs may interact with chlordiazepoxide and clidinium, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are included here.

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Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.