Medication guide

Etizolam (Depas)

What is etizolam?

Etizolam is sold in Japan as Depas (デパス on Japanese packaging). It is largely 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 is why. Chemically it is a thienodiazepine, a close relative of the benzodiazepines, and it behaves like one: it calms anxiety, tension, and sleep problems within a short time of taking it. It's used for short-term relief.

How is it different from other anxiety medicines?

Fast: calms within a short time of taking it, like other benzodiazepine-type medicines
Also approved for muscle tension: neck pain, back pain, and tension headache
Flexible: used for anxiety, for sleep, or for the body-side symptoms of stress
Several small tablet strengths: the dose can be adjusted finely

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 schizophrenia
Neck pain, back pain, and tension headache, where muscle tension is part of the picture

Where etizolam helps most is when fast, short-lived relief matters: easing a spike of anxiety or tension, settling sleep for a short period, or covering the weeks before an antidepressant starts to work.

How does it help?

It quietens an overactive nervous system, easing anxiety, tension, and muscle tightness within a short time of taking it. It can also cause dependence with regular use, so whether to use it, and for how long, is decided by weighing the benefit against that risk. Used for a limited period, with an end point agreed in advance, the benefit can outweigh the risk. If it has been taken every day for a long time, the usual plan is to discuss reducing it with your doctor.

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
Moderate or severe breathing problems
Other sedating medicines, or regular alcohol use
The antidepressant fluvoxamine; the dose may need adjusting
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, for a period agreed in advance.

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
Alcohol: avoid it, since it stacks with the drowsiness

What side effects should I expect?

Most are mild. Not everyone gets them.

Drowsiness (under 15%): 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?

It can be habit-forming with regular use, even within the approved dose, which is why it is used at the lowest helpful dose, for an agreed period, with a plan for stopping. Etizolam is a controlled (scheduled) medicine in Japan. The body gets used to it, the same dose can gradually do less, and stopping suddenly after regular use can cause withdrawal, including rebound anxiety, sleeplessness, tremor, and, in some cases, seizures, so never stop suddenly on your own; your doctor lowers it gradually, in small steps, and the aim is that the longer-term treatment, such as a daily antidepressant or therapy, takes over.

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 needs no advance paperwork; larger amounts need paperwork arranged before you travel; mailing is prohibited). It also cannot be prescribed online, at a first visit or a follow-up, until a doctor in Japan has examined you in person for that condition. Out of Japan is the bigger question: etizolam is a controlled drug in the UK, and in the US it is a Schedule I controlled substance with no accepted medical use. Since it isn't sold in most countries, you usually cannot get it prescribed abroad. If you're leaving Japan for more than a short trip, talk to your doctor beforehand about tapering off or switching to a medicine that is available internationally.

Can I drive while taking it?

No; avoid driving while you're taking it. Like the benzodiazepines it resembles, etizolam can cause drowsiness and slow your attention and reactions, and the Japanese label instructs that patients taking it should not drive or operate dangerous machinery.

What about pregnancy and breastfeeding?

Avoided where possible in pregnancy, and the Japanese label says to avoid breastfeeding while taking it; tell your doctor early and we'll find the safest plan together. The label allows etizolam in pregnancy only when the expected benefit outweighs the risk, and it passes into breast milk, where it can affect a baby's weight gain. 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.