drug treatment for schizophrenia Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what is drug therapy based on?

A

the idea that schizophrenia is caused by an imbalance of chemicals such as nt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what do drugs aim to do?

A

restore the balance of the chemicals in the brain

eg reducing nt to normal levels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what does an imbalance in chemicals result in?

A

changes in mood and behaviour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

when are drugs offered and why?

A

as first line treatment due to the fact that they can help reduce symptoms that prevent patients from accessing other psychological therapies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how do antipsychotic drugs work?

A

by blocking the receptors that absorb dopamine reducing the action of dopamine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

which receptors do AD act on normally?

A

D2 receptors

positive symptoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what are the types of AD?

A

typical (older)

atypical (newer)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is an example of a typical drug?

A

chlorpromazine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is an example of an atypical drug?

A

clozopine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what does clozapine do?

A

seems to reduce hallucinations and delusions and also seems to work on patients who do not respon to other drugs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

why are there reduced side effects in atypical drugs?

A

they do not bind to receptors quite so tightly

also block serotonin receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are seretonon receptors called?

A

5HT2A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are side effects of typical drugs?

A
stiffness and shakiness (parkinsons)
sluggish 
pros with sex life
breat swelling 
feel dizzy as affect blood pressure
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are side effects of atypical drugs?

A

weight gain
sleepiness
interference with sex life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

if atypical drugs are taken long term what can it cause>

A

movements of the face and arms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

compared to older drugs. newer ones seem to…

A
  • reduce chance of parkinson side effects
  • more likely to have weight gain
  • diabetes
17
Q

which drug reduces suicidal feelings?

A

clozapine

18
Q

what doesn’t clozapine create?

A

movements of face

skakiness

19
Q

what is the main drawback of clozapine?

A

it can affect bone marrow leading to a shortage of white blood cells

20
Q

if bone marrow is affected what happens?

A

the drug is stopped immediately

21
Q

if you take clozapine what do you have to do?

A

go for blood tests for six months and every two weeks after that

22
Q

what there side effects does clozapine have?

A

makes epileptic fits more likely
over salivation
constipation

23
Q

due to the side effects of clozapine when is it taken?

A

usually after at least two other AD have been tried

24
Q

what form can AD take?

A

pill or injection

25
Q

how long do people normally take the drugs?

A

1-2 years on order to stop future symptoms

stop taking drug too soon the symptoms may reoccur

26
Q

how many people don’t take their drugs?

A

nearly half as don’t ike taking them or forget

27
Q

what % of people do not get better with drugs?

A

25

28
Q

what is used to decide which drug needs to be taken?

A

the clients history and previous medication

29
Q

should you be offered two drugs at same time?

A

not anymore according to NICE

except if take clozapine and have no reaction then other drugs should be trialled at same time

30
Q

strength of treatments in terms of use with other?

A

May be used in conjunction with other psychological therapies and treatments, which the patients may not have been able to benefit from without the drug treatments.

31
Q

what is a weakness with curation?

A

Patients must take maintenance doses of medication for life in order to keep symptoms under control; drugs cannot cure the condition.

32
Q

weakness of willingness?

A

may not e willing to take medication

rosenham found that 50% of observed patients hid medication

33
Q

what did emsely find?

A

that those injected with antipsychotics risperodone showed high remission rates and low relapse rates

34
Q

ethics?

A

power in clinician
injection invasive
side effects

35
Q

weakness with causation?

A

it might be that schizophrenia is due to cognitive

or that dopamine is caused by schiz