Temazepam Complete Guide: Uses, Dosage, And Side Effects
Temazepam is a benzodiazepine used short-term for insomnia, helping with sleep onset and maintenance while carrying risks of dependence.
Tablets and oral liquid medicine. Temazepam is used to treat insomnia (difficulty sleeping). Temazepam belongs to a group of medicines called benzodiazepines.
About temazepam
Temazepam is a short-acting benzodiazepine hypnotic agent primarily indicated for the short-term treatment of insomnia, particularly sleep maintenance issues. It works by enhancing the effect of a neurotransmitter called gamma-aminobutyric acid (GABA), which slows down brain activity, producing calming effects that help with sleep onset and maintenance.
The medication is rapidly absorbed after oral administration, with peak blood levels reached in 2-3 hours and nearly complete absorption (90-100%). Effects typically last into the next day, impairing judgment and reactions, so users should avoid driving or operating machinery until they know how it affects them. Treatment is recommended for no more than 7-10 days to minimize risks of tolerance, dependence, and withdrawal.
Key facts
- Temazepam starts working within 30-60 minutes and helps you fall asleep faster and stay asleep longer.
- Common brand names include Restoril®.
- It’s available as 10mg and 20mg capsules or oral solution.
- Maximum treatment duration: usually 1 week, up to 3 weeks in some cases.
- Not suitable for long-term use due to risk of addiction and reduced effectiveness over time.
Before taking temazepam
Who can and cannot take temazepam
Temazepam is generally safe for short-term use in adults with insomnia but should be avoided in certain groups.
| Can take if: | Cannot take if: |
|---|---|
| Adults over 18 with short-term insomnia | Pregnant or breastfeeding women |
| No history of substance abuse | History of drug/alcohol addiction |
| No severe liver/kidney problems | Severe respiratory issues like sleep apnea |
| No myasthenia gravis | Acute narrow-angle glaucoma |
| No psychosis or severe depression | Allergic to benzodiazepines |
Consult a doctor if you have mental health conditions, muscle weakness, or breathing problems.
Pregnancy and breastfeeding
Temazepam may harm the unborn baby and is not recommended during pregnancy. It passes into breast milk and can sedate the infant.
Other medicines, supplements, and alcohol
Avoid alcohol as it increases sedation and breathing risks. Temazepam interacts with opioids, antidepressants, antifungals, and other CNS depressants, potentially causing coma or death. Inform your doctor of all medications.
Taking temazepam with other medicines and herbal supplements
Interactions can amplify effects: opioids (respiratory depression), other benzodiazepines, barbiturates, antipsychotics. Herbal supplements like St. John’s wort may reduce efficacy.
Common questions about temazepam
- Is temazepam a controlled substance? Yes, due to abuse potential.
- Can I drink alcohol with it? No, it dangerously increases sedation.
- Does it cause weight gain? Not typically, but monitor for changes.
How and when to take temazepam
Dosage
Take just before bed. Swallow tablets whole with water or take liquid via syringe.
| Age Group | Usual Dose |
|---|---|
| Adults under 65 | 10-20mg once daily at bedtime |
| Adults 65+ | Start at 7.5mg; max 15mg |
| Maximum daily dose | 30mg (do not exceed) |
Do not exceed prescribed dose or duration. For elderly or debilitated, lower doses reduce fall risk.
If you forget to take it
Skip the missed dose; do not double up as it increases side effects.
Changes to your dose
Your doctor may adjust based on response, but taper gradually to avoid withdrawal.
Side effects of temazepam
Common side effects include next-day drowsiness, dizziness, and reduced coordination.
| Common Side Effects | What to Do |
|---|---|
| Daytime sleepiness, light-headedness | Avoid driving/tools; no alcohol |
| Unsteadiness, confusion, forgetfulness | Speak to doctor if persistent |
| Headache, blurred vision | Speak to doctor if troublesome |
| Weakness, irritability | Monitor; contact doctor |
Serious side effects: Breathing problems, memory loss, hallucinations, suicidal thoughts, seizures (seek emergency help).
Dependence and withdrawal
Regular use leads to tolerance and dependence. Abrupt stopping causes withdrawal: anxiety, insomnia, tremors, seizures. Taper under medical supervision. Risk higher with IV abuse, causing thrombosis and gangrene.
Overdose
Symptoms: extreme drowsiness, coma, respiratory failure. Supportive care; flumazenil may reverse effects. Contact poison control immediately.
Driving and using machinery
Temazepam impairs reactions; do not drive until effects clear. Carry prescription proof if needed.
Frequently Asked Questions
Q: How long does temazepam take to work?
A: Effects begin in 30 minutes, peak at 2-3 hours.
Q: Can temazepam be used long-term?
A: No, limit to 7-10 days to avoid dependence.
Q: What if I overdose on temazepam?
A: Seek emergency care; supportive treatment required.
Q: Is temazepam addictive?
A: Yes, potential for misuse and withdrawal.
Q: Can children take temazepam?
A: Not typically; for adults only.
Analgesia note
This medicine is for you only. Never share it. Return unused medicine to pharmacy. Read leaflet carefully.
References
- Temazepam – StatPearls — NCBI Bookshelf, NIH. 2023-08-14. https://www.ncbi.nlm.nih.gov/books/NBK599496/
- Temazepam – Tablets and oral liquid medicine — Patient.info. 2023. https://patient.info/medicine/temazepam
- Temazepam: Uses, Interactions, Mechanism of Action — DrugBank. 2024-01-15. https://go.drugbank.com/drugs/DB00231
- Temazepam: MedlinePlus Drug Information — MedlinePlus, NIH. 2023-11-20. https://medlineplus.gov/druginfo/meds/a684003.html
- Temazepam (oral route) – Side effects & dosage — Mayo Clinic. 2024-02-01. https://www.mayoclinic.org/drugs-supplements/temazepam-oral-route/description/drg-20072162
- RESTORIL (TEMAZEPAM) Label — FDA. 2016-09-30. https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/018163s064lbl.pdf
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