How long do the effects of diazepam last?

The actual physiological effects of diazepam will only last between 4 to 6 hours, but because it is a very long-acting benzodiazepine, the drug stays in your system for several days. The half-life of Valium is 20 hours.

Is diazepam short or long-acting?

Diazepam (Valium) is a long-acting drug that for years has been the most commonly used form of benzodiazepine. Basically, in low doses, diazepam reduces anxiety without sedation and in high doses it acts as a sedative and promotes sleep.

Which benzo has the longest half-life?

Comparing benzodiazepines mainly used for anxiety

Long-acting drugs
Generic name	Trade names	Half-life
alprazolam	Xanax	12 to 15 hours
lorazepam	Ativan	10 to 20 hours
oxazepam	none	6 to 20 hours

Which has a longer half-life diazepam or lorazepam?

Diazepam lasts longer than lorazepam. It is considered a long-acting benzodiazepine with a half-life of up to 48 hours.

How long does diazepam peak?

After oral administration >90% of diazepam is absorbed and the average time to achieve peak plasma concentrations is 1 – 1.5 hours with a range of 0.25 to 2.5 hours.

Which is stronger diazepam or lorazepam?

Diazepam and lorazepam differ in potency and in the time-course of their action. As a sedative, diazepam 10 mg is equivalent to lorazepam 2-2.5 mg. Diazepam is better absorbed after oral than after i.m. administrations but this does not apply to lorazepam.

How much diazepam should I take to sleep?

sleep problems (related to anxiety) – is 5mg to 15mg taken once a day at bedtime. muscle spasms in adults – is 2mg to 15 mg a day. This can be given as 1mg twice a day and go up to 5mg 3 times a day. The dose can be increased up to 20mg 3 times a day if needed.

Can you take Benzos for life?

Generally speaking, when used as directed under supervision from a doctor, benzodiazepines are relatively safe for short periods of time. They are not, however, meant to be taken for longer than a few weeks to a few months at most.