Drugs in health and disease 1 Flashcards
What are the characteristics of chlorpromazine hydrochloride?
White / almost white crystalline powder
Very soluble in water and freely soluble in alcohol
Decomposes on exposure to air and light
Melts at 196 degrees C
What short term uses do antipsychotic drugs have?
Calm disturbed patients with underlying psychopathology
Severe anxiety
Give examples of group 1 phenothiazine derivatives
Chlorpromazine hydrochloride
Levomepromazine
Promazine hydrochloride
Give an example of group 2 phenothiazine derivatives
Periciazine
Give examples of group 3 phenothiazine derivatives
Fluphenazine decanoate
Perphenazine
Prochlorperazine
What type of phenothiazine derivatives have the most pronounced sedative effects?
Group 1
What type of phenothiazine derivates have the least pronounced sedative effects?
Group 3
What type of phenothiazine derivates have the most extrapyramidal side effects?
Group 3
What type of phenothiazine derivates have the least EPS?
Group 2
What are the indications for chlorpromazine hydrochloride?
Schizophrenia and pyschoses Mania Short-term adjunct for severe anxiety Psychomotor agitation, excitement or violence Intractable hiccup Nausea and vomiting
What is the effect of blocking dopamine D2 receptor?
Extrapyramidal side effects
Increased prolactin concentraion
What is the effect of blocking cholinergic receptor?
Antimuscarinic symptoms (dry mouth, constipation, difficulty with micturition, blurred vision)
What is the effect of blocking alpha adrenergic receptor?
Nasal congestion
Erection and ejaculation problems
What is the effect of blocking histaminergic receptors?
Drowsiness
What is the effect of blocking serotonergic receptor?
Hypotension
Interference with temperature regulation