How long is the half-life of morphine?

The half-life of morphine between 20 minutes and 6 hours is 2 to 3 hours and this value does not appear to be influenced by the age of the patient. Similar half-lives for morphine have been reported to normal volunteers and in anaethetised patients who received morphine.

What is the peak time for morphine?

Pharmacokinetics for morphine are summarized in the table Onset of action after administration of an IV dose of morphine is within 10 minutes, with a peak effect after 15 to 30 minutes .

What are the negatives of morphine?

Morphine produces respiratory depression and gastrointestinal effects at therapeutic doses. In addition, tolerance develops to the repeated use of this drug and physical dependence occurs. Therefore this substance is subject to abuse and is controlled by national and international regulatory agencies.

What drugs have long half life?

Drugs that have a long half-life include. Xanax (alprazolam): A longer-acting benzodiazepine, Xanax has a plasma-elimination half-life of around 11 hours. Librium (chlordiazepoxide) is an even longer-acting benzodiazepine drug.

How long does morphine stay in your system?

The length of time morphine stays in your system depends on several factors. In most people, morphine stays in the body for up to three days, and urine tests can detect morphine use for three days.

What do you mean by the half life of a drug?

The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. Half-life is used to estimate how long it takes for a drug to be removed from your body.

What is the shelf life of morphine?

The morphine sulphate tablet has a shelf life of about 3 years when stored below 25 degree celsius temperature.So your 200mg tablet should not be used beyond 3 years.The expiry date is written of the packing as well.