Half life of promethazine

Promethazine will be mostly out of your system in two to four days . The elimination half-life of a medication is the time it takes for blood levels of the medication to be reduced by half. For Promethazine the half-life is approximately 10 to 19 hours.

Since promethazine has a half-life of hours, I wonder if there is an alternative to this drug with the same efficacy but with a shorter half-life.

How Long Does Promethazine Stay in Your System? The half-life of promethazine, which refers to the time it takes for half of the drug to be eliminated from the body, can vary based on factors such as the individual s metabolism, age, and liver function. In general, the half-life of promethazine is approximately 10 to 19 hours.

An intravenous dose of promethazine is 0.64% eliminated in the urine as the unchanged parent drug, 0.02-2.02% in the urine as desmethylpromethazine, 10% in the urine as promethazine sulfoxide. 4. Half-life. The elimination half life of promethazine is approximately h. 4. Clearance

Biological half-life by route of exposure: The elimination half life of promethazine following oral administration has been estimated to be within the range of 12 to 15 hours. After intravenous administration of 12.5 mg, blood concentrations of promethazine declined biexponentially with a terminal elimination half life of 12 hours.

An intravenous dose of promethazine is 0.64% eliminated in the urine as the unchanged parent drug, 0.02-2.02% in the urine as desmethylpromethazine, 10% in the urine as promethazine sulfoxide. 4. Half-life. The elimination half life of promethazine is approximately h. 4. Clearance

The elimination half life of promethazine is approximately h. The intravenous clearance of promethazine is approximately 1.14L/min.

An intravenous dose of promethazine is 0.64% eliminated in the urine as the unchanged parent drug, 0.02-2.02% in the urine as desmethylpromethazine, 10% in the urine as promethazine sulfoxide. 4. Half-life. The elimination half life of promethazine is approximately h. 4. Clearance

The elimination half life of promethazine is approximately h. Following The mean plasma half-life for promethazine after intramuscular