Independent medication information Not a pharmacy · Not a substitute for medical advice
CNS Depressants / Medication

Diazepam

Identity, uses and research, side effects, dosage context, pricing and online access.

MedicationCNS DepressantsSchedule IV
Reference nameDiazepam
Entry typeMedication
CategoryCNS Depressants
Drug familyBenzodiazepine
Brand contextValium; product-specific seizure rescue brands
Formulation contextOral diazepam; Seizure-rescue preparations

DrugRX editorial reference · Sources consulted · Not independently medically reviewed

Diazepam (Valium) tablets pictured by the U.S. Department of Justice.

Diazepam (Valium) tablets pictured by the U.S. Department of Justice.

United States Department of Justice · Public domain

About Diazepam

Diazepam is a benzodiazepine known as Valium; product-specific preparations also exist for seizure rescue.

Also searched as: Valium · Diastat

PRODUCT FORMULATIONS

Available strengths

Strength is the amount in a tablet, capsule, liquid or patch. Different formulations are listed separately.

Product & formulationStrengths
Valium / diazepam
Oral tablet
2 mg · 5 mg · 10 mg

Nasal and rectal rescue products have separate dosage forms.

Product label · Checked 2026-10-31

Dosages in the product label

Valium oral tablets — Anxiety disorders

Population: Adults younger than 65

Labeled oral dose: 2–10 mg, 2–4 times daily.

This is indication- and patient-dependent; lower doses apply to older/debilitated patients and hepatic impairment. It is not seizure-rescue device dosing.

Prescribing information · Checked 2026-10-31

PRICE, COST & AVAILABILITY

Buy Diazepam: pricing & legal access

Diazepam online: availability & product information

Saved U.S. price estimates from Drugs.com for the exact products and quantities below. These are dated estimates, not live pharmacy quotes or insurance copays. Discounts and local availability vary.

Product / strengthQuantityPrice (USD)
Generic diazepam
2 mg
Oral tablet
30 tablets$4.95
Drugs.com published cash estimate
Drugs.com price guide
Checked 2026-10-31
Generic diazepam
5 mg
Oral tablet
30 tablets$5.15
Drugs.com published cash estimate
Drugs.com price guide
Checked 2026-10-31

Prices refer to medication only; consultation, administration and monitoring costs may be additional. Prescription products require a valid prescription and a licensed pharmacy. Check the exact formulation before comparing offers.

DETAILED REFERENCE

Diazepam information

Uses and formulations

Used in selected anxiety, muscle-spasm, seizure and alcohol-withdrawal treatment settings. Oral, rectal and nasal products are not interchangeable.

Sources: MedlinePlus — Diazepam

Side effects and serious risks

Sleepiness, weakness and coordination problems can occur. Dependence and severe withdrawal are possible.

Sources: MedlinePlus — Diazepam

Dosage and directions

Follow the exact prescription. Rescue products require an individual emergency plan rather than routine oral-tablet instructions.

Sources: MedlinePlus — Diazepam

Interactions and precautions

Alcohol, opioids and other sedatives increase breathing risk. Discuss liver disease and persistent next-day impairment with the care team.

Sources: MedlinePlus — Diazepam

Pharmacology and mechanism

Diazepam enhances GABA-A-mediated inhibition. It also forms active metabolites, which can contribute to persistent effects and accumulation during repeated use.

Sources: DailyMed — Valium prescribing information

Formulations and product identification

The active ingredient alone does not describe a finished product. These distinctions matter when reading a label or comparing prescriptions.

Product or formulationImportant distinction
Oral diazepamUsed for particular anxiety, spasm and other indications.
Seizure-rescue preparationsNasal or rectal products use an individual emergency plan.

Sources: DailyMed — Valium prescribing information

Monitoring and treatment follow-up

Older adults and people with liver impairment may be particularly sensitive to prolonged sedation. Monitor coordination and daytime impairment as well as the symptom being treated.

Sources: DailyMed — Valium prescribing information

Dependence and stopping treatment

Dependence and withdrawal can occur with ongoing treatment. A long duration of action does not mean sudden discontinuation is harmless; symptoms can appear on a different time course from those of shorter-acting benzodiazepines.

Sources: DailyMed — Valium prescribing information

How it differs from related medicines

Diazepam tablets and rescue devices share an ingredient but not the same administration instructions. A rescue plan specifies the product, circumstances for use and when additional medical help is needed.

Sources: DailyMed — Valium prescribing information

Sources and editorial notes

Prepared by DrugRX using the references linked below. Sources were consulted on 2026-10-31. This page has not been independently reviewed by a clinician. Research findings, medication approval and legal permission are separate questions.

  1. MedlinePlus — Diazepam
  2. DEA — Controlled substances alphabetical list (October 2026)
  3. DailyMed — Valium prescribing information
  4. Drugs.com — diazepam price guide

Legal information is a dated U.S. reference. Product rules and local laws may change. Where the evidence does not establish a dose, interaction profile or price, the page states that limitation.