Agonist antagonist substitution addiction Flashcards
1
Q
What type of addictions
A
Chemical
2
Q
What is an agonist
A
a chemical binding to a postsynaptic receptor that activates the receptor to produce a response imitating the action of another substance e.g.heroin
3
Q
Example of an agonist
A
methadone
4
Q
Benefits of methadone
A
- Give similar effects to heroin
- Does not cause withdrawal symptoms
- ## Slowly reduced dosage
5
Q
What is an antagonist
A
a chemical that binds to a receptor blocking the usual function of a particular substance - doesn’t cause a reaction
6
Q
Example of an antagonist
A
naltrexone (chemical addictions)
7
Q
how can naltrexone be administered?
A
implant
oral medication
depot injection (released slowly over a no. of weeks)
8
Q
naltrexone is used in which stage of recovery?
A
abstinence stage
9
Q
what does the addict have to do to be administered naltrexone?
A
stop using opioids
demonstrate they are motivated to be drug free
