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Cytochrome P450 and CYP2D6 allow codeine to undergo O-demethylation to form morphine.

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How does amphetamine undergo phase 1 metabolism?

Cytochrome P450 allows amphetamine to undergo oxidative deamination.


How does phenobarbital undergo phase 1 metabolism?

Cytochrome P450 allows phenobarbitual to undergo aliphatic hydroxylation. It then turns into an alcohol.


How does diazepam undergo phase 1 metabolism?

Cytochrome P450 allows phenytoin to undergo aromatic hydroxylation to turn into phenol.


What is the difference between first pass and phase one of drug metabolism?

First pass metabolism refers to the metabolism of a drug that occurs in the liver after it is absorbed from the gastrointestinal tract, before it enters systemic circulation. Phase 1 metabolism is the initial biotransformation of a drug, primarily carried out by enzymes such as cytochrome P450, to make the drug more polar and easier to eliminate from the body.


How long does codeine phosphate stay in your system?

Codeine phosphate can be detected in a person's urine for 2-4 days, and in their blood for up to 12 hours. It can be detected in a person's saliva for 1-4 days. Codeine is an ingredient in many types of cough syrup.


How long does codein stay in your system?

Codeine phosphate can be detected in a person's urine for 2-4 days, and in their blood for up to 12 hours. It can be detected in a person's saliva for 1-4 days. Codeine is an ingredient in many types of cough syrup.


Ordered codeine gr SS available codeine 30 mg tablets how many?

gr ss = gr 1/2 gr 1 = 60 mg therefore gr ss = 30 mgSo you would give 1 (30mg) tablet of codeine to fulfill the order of codeine gr ss


Can you give an infant 1 teaspoon of codeine?

No


What does g1 stand for and what occurs in this stage?

In the cell cycle, G1 stands for Gap 1 phase. During G1 phase, the cell grows, carries out its normal functions, and prepares for DNA replication in the S phase. It is also a checkpoint phase where the cell decides whether to proceed to the next phase of the cell cycle or enter a non-dividing state called G0.


Form supplied of Tylenol with Codeine?

Tylenol #1, #2, #3 and #4 formulations contain 8mg, 15mg, 30mg and 60mg of codeine respectively.


Is Tylenol 1 illegal?

No such thing as Tylenol 1..The first number on Tylenol will be a #3 which is then 1/4 grain of codeine and yes, illegal if not prescribed by a doctor...anything below a three has no codeine so there is no number system for them


How long will your cough syrup with codeine stay in urine?

If the cough syrup contains codeine, it can be detected in the urine for 1 to 2 days. After that, it will be out of a person's system. Codeine can be detected in the hair for around 90 days depending on how much and how often a person has taken it.