See also Warning and How to Use sections.

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: potassium tablets/capsules, sodium oxybate, drugs that are affected by slowed gut movement (such as pramlintide).

This medication may affect the absorption of other products such as certain azole anti-fungal drugs (ketoconazole, itraconazole), slowly-dissolving forms of digoxin, among others. If you are taking either ketoconazole or itraconazole, take it at least 2 hours before this medication.

Other medications can affect the removal of chlordiazepoxide from your body, which may affect how this drug works. Examples include cimetidine, disulfiram, among others.

Cigarette smoking decreases blood levels of chlordiazepoxide. Tell your doctor if you smoke or if you have recently stopped smoking.

The risk of serious side effects (such as slow/shallow breathing, severe drowsiness/dizziness) may be increased if this medication is taken with other products that may also cause drowsiness or breathing problems. Tell your doctor or pharmacist if you are taking other products such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana (cannabis), drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).

Check the labels on all your medicines (such as allergy or cough-and-cold products, diet aids) because they may contain ingredients that cause drowsiness or a fast heartbeat. Ask your pharmacist about using those products safely.

This medication may interfere with certain lab tests, possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.