1 When administered via injection, valium takes just one to five minutes to take effect. When taken orally, people usually begin to feel the effects 15 to 60 minutes after ingestion. Rectal gel may be used for those who are experiencing seizures and begins working quickly after administration.

Is 10 mg of diazepam a lot?

Doctors generally recommend the drug should be used at dosages of 2-10 mg. This amount can be taken up to four times in a 24-hour time frame. The maximum daily total use in milligrams should not exceed 40 mg. Anything above the level prescribed by your doctor could lead to an overdose.

How long does 2mg diazepam take to wear off?

The physiological effects of diazepam only last about 5 hours. However, diazepam is a long acting benzo that stays in your system for several days. The half-life of Valium is 20 hours. This means that it takes about 20 hours for half of the original dose to exit your system.