Medication guide

Etizolam (Depas)

What is etizolam?

Etizolam is sold in Japan as Depas (デパス on Japanese packaging), and here's the unusual part: it's essentially a Japan-local medicine. It isn't approved in the US, the UK, or most of Europe, so if a Japanese doctor has prescribed it and you've never heard of it, that's why. Chemically it's a thienodiazepine, a close cousin of the benzodiazepines, and it behaves like one: fast-acting calm for anxiety, tension, and sleep, meant for short-term use.

How is it different from other anxiety medicines?

  • One of Japan's most widely prescribed anti-anxiety medicines, so local doctors and pharmacists know it inside out
  • Fast: calms within the hour, like other benzodiazepine-type medicines
  • Also approved for muscle tension: neck pain, back pain, and tension headache, an unusual combination
  • Flexible: used for anxiety, for sleep, or for the body-side symptoms of stress

What is it used for in Japan?

  • Anxiety, tension, low mood, and sleep problems in neurosis and depression
  • The physical symptoms and anxiety that come with stress-related conditions (such as high blood pressure or ulcers)
  • Sleep problems in other psychiatric conditions
  • Neck pain, back pain, and tension headache, where muscle tension is part of the picture

How does it help?

It quietens an overactive nervous system, easing anxiety, tension, and muscle tightness within a short time of taking it. It works best as short-term support alongside treatment that fixes the underlying problem, not as something taken every day for years.

What should I tell my doctor before starting?

A few situations rule it out entirely; your doctor will choose something else if any of these apply:

  • Acute narrow-angle glaucoma
  • Myasthenia gravis (a muscle-weakness condition)

And tell your doctor first if any of these apply; these usually just need adjustments or a closer eye:

  • A previous bad reaction to etizolam
  • Serious breathing problems, or breathing problems during sleep
  • Other sedating medicines, or regular alcohol use
  • A history of alcohol or substance dependence
  • Being older: a lower dose is usual, as unsteadiness and falls are more likely
  • Pregnant, planning to be, or breastfeeding (see the section below)

How do I take it?

Your doctor will set the pattern: split across the day for anxiety and tension, or once before bed for sleep, always with a short-term frame in mind.

  • Don't raise the dose or add extra tablets on your own; if it feels like it's not enough, that's a conversation, not a second tablet
  • If you miss a dose, just skip it if the next one is close. Never double up
  • Avoid alcohol; it stacks with the drowsiness

What side effects should I expect?

Most are mild. Not everyone gets them.

  • Drowsiness (around 13%): the most common
  • Unsteadiness or dizziness: take care on your feet
  • Tiredness or a feeling of weakness

If anything is bothering you, tell your doctor; there's often a way to adjust.

Finally, one thing that is rare, and avoidable:

  • Combined with alcohol or other sedatives, the drowsiness can run deeper than expected; if you ever feel unusually heavily sedated or your breathing feels slowed, call us the same day. Taken as prescribed, without alcohol, this is very unlikely

Will I become dependent? How do I stop safely?

Honestly: yes, it can be habit-forming with regular use, and Japan tightened the rules around it in 2016 for exactly that reason (it's now a scheduled medicine with a 30-day prescription cap). Used short term, at the lowest helpful dose, it's a safe and useful tool; taken daily for months without a plan, tolerance and dependence become real. Stopping suddenly after regular use can cause withdrawal, including rebound anxiety, sleeplessness, and, in some cases, seizures, so never stop suddenly on your own; your doctor lowers it gradually, and the long-term plan usually hands the job to a daily antidepressant or therapy.

Can I bring it into Japan, or take it abroad?

Into Japan: yes, within the scheduled-medicine limits (a personal supply of roughly up to a month carried with you, original packaging, prescription in hand; larger amounts need an advance import certificate; mailing is prohibited; no first-visit online prescribing). Out of Japan is the bigger question: etizolam is a controlled substance in the UK and restricted in several US states, and since it isn't sold in most countries, you can't refill it abroad. If you're leaving Japan for more than a short trip, talk to your doctor beforehand about tapering off or switching to an internationally available alternative.

Can I drive while taking it?

No; avoid driving while you're taking it. Like the benzodiazepines it resembles, etizolam slows reaction time and attention, and the Japanese label instructs that patients on it should not drive or operate dangerous machinery.

What about pregnancy and breastfeeding?

Generally avoided in both; tell your doctor early and we'll find the safest plan together. As with other benzodiazepine-type medicines, use in pregnancy is kept to a minimum, and breastfeeding on etizolam is avoided. If you're taking it regularly, don't stop suddenly; the change is planned and gradual. Our guides to medication in pregnancy and medication while breastfeeding cover the wider picture.

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Disclaimer

This page is general information, not medical advice. Your doctor decides what's right for you.

Sources: Japan's official prescribing information (電子添文, via PMDA) for this medicine, plus Japan's health-ministry rules on bringing medicines into Japan and international scheduling records. Details are simplified and figures rounded for readability.


Medically reviewed by Dr. Shugoro Ohno, psychiatrist. Updated July 28, 2026.