Psychiatry Flashcards
Gold Standard Tx for Autism Spectrum Disorder
Behavioral/ Developmental therapies
Medical Tx for Autism Spectrum Disorder
For repetitive stereotypical behavior , anxiety - SSRIs
For aggression , self injury - Antipsychotics ( only resperidone or aripriprazole)
For ADHD with ASD - methylphenidate
Initial TX for Tourettes Disorder
CBT or Habit reversal Therapy
Tx for severe or refractory Tourettes Disorder
1st line - Alpha- adrenergic agonists - guanfacine , clonidine OR tetrabenazine
typical or atypical antipsychotics
Tx for separation anxiety disorder
- psychotherapy ( CBT , Exposure therapy)
- play therapy
- and SSRIs
Tx for selective mutism
CBT and SSRIs
Tx for Reactive Attachment disorder
behavioral modification for primary caregivers
referral to mental health professionals
tx of associated conditions
TX for ADHD
for pre-school children - only behavioral interventions
for school aged children and adults - Behavioral intervention PLUS stimulants ( methylphenidate / dexamphetamine/etc ) or non-stimulants like atomoxetine
Fish Oils
mechanism of action of stimulants
Increases noradrenalin and/or dopamine at the synapse
side effects of stimulants
Common - decreased appetite - poor weight gain uncommon - headache/dizziness - stomach aches - insomnia - irritable , withdrawn or highly emotional
benefits of atomoxetine ( straterra) over stimulant use in ADHD
- no potential for addiction
- good for use in history of substance abuse( pt or family)
limitation of atomoxetine use
increased risk of suicidal ideation in children and adolescents
Tx for pyromania or kleptomania
CBT
Tx of DMDD
psychotherapy
pharamacotherapy - stimulants , antidepressants and atypical antipsychotics
Tx of conduct disorder
psychotherapy
pharmacotherapy for comorbid disorders
antipsychotics or mood stabilizers for severe aggression
Tx for intermittent explosive disorder
CBT
pharmacotherapy - SSRIs or mood stabilizers
Tx in acute phase of Schizophrenia
first line - 2nd gen antipsychotics PO
- if not effective within 3 weeks - increase dose
- if not effective within 4-6 weeks
a) switch to another 2nd gen antipsychotic OR
b) switch to a 1st gen antipsychotic
Parenteral
- Haloperidol/Olanzapine + Benztropine/Zuclopenthixol Acetate
what should be added to the tx of a very agitated schizophrenic patient in Acute phase
IV Diazepam
TX for Acute Dystonia
Benztropine
Tx for Akathisia
- lower dose
- substitute with thioridazine
- for short term - PO benztropine , propranolol or diazepam
Tx for Parkinsonism
- lower dose
- substitute with phenothiazine
- For short term - benztropine or benzhexol
Tx for Tardive Dyskinesia
- drug withdrawal
if ineffective - use tetrabenazine
how to prevent Tardive dyskinesia
use the lowest possible dose for chronic use of antipsychotics
side effect of chlorpromazine
corneal deposits - photosensitivity reactions
Tx of drug resistant schizophrenia
ECT
or trial of clozapine or olanzapine
Side effect of Clozapine
Agranulocytosis
side effects of antipsychotics
1-Prolongation of QT interval - especially the phenothiazines 2- NMS 3-EPS a) acute dystonia b) akathisia c) Parkinsonism d) tardive dyskinesia
First line treatment in acute mania
- hospitalization
olanzapine Or resperidone
second line treatment in acute mania
- Haloperidol / any 1st gen antipsychotic
- Lithium carbonate
- Sodium Valproate
- Carbamazepine
what to do if there is failure to respond to treatment in acute mania
- ensure maximum concentration of first drug
- switch to a different drug (1st - to 2nd line)
- Combine drug (eg - 2nd gen antipsychotic + lithium)
- or ECT
Prophylactic regimens for recurrent bipolar disorder
- Lithium
OR - Lamotrigine/ carbamazepine/ sodium valproate
Side effects of Lithium
- a fine tremor ( 1st sign)
- muscle weakness
- weight gain
- GI symptoms
First line Tx of GAD
- psychological therapy and non-drug strategies
eg - life coaching and CBT
tx of Anxiety disorders
generally for GAD , Panic attacks , phobias (SAD , Agoraphobia , specific phobias)
- SSRIs and other antidepressants for at least 6 months
- propranolol for performance subtype (Non -generalized) of SAD
- psychotherapy in adjunct is always more beneficial
tx for anxiety that has NOT responded to both psychological therapy and antidepressants
Benzodiazepines
- only for less than 6 weeks
pharma Tx for specific phobias
Benzodiazepines
First line Tx of panic disorder
CBT + SSRIs
rarely benzodiazepines
Side effects of Benzodiazepines
- Over sedation
- dependence
- increased risk of accidents
- interaction with alcohol and other drugs
- potential for abuse and OD
- iatrogenic , and is present in breast milk
- muscle weakness
- sexual dysfunction
- diminished motivation
- lowered self esteem
First line med for GAD
SSRIs
First line med for OCD
SSRIs
+CBT for obsessions / Exposure and response prevention for compulsions
First line tx for generalized SAD
SSRIs
first line tx for non-generalized SAD
propranolol
first line tx for PTSD
SSRIs for at least 12 months + counseling
type of psychotherapy for all phobias
behavioral therapy and cognitive therapy
tx for body dysmorphic disorder
counseling and psychotherapy
tx of acute stress disorder
debriefing and counseling
tx for severe , persistent separation anxiety disorder
- SSRIs , if psychotherapy fails
tx for depression in Adolescents
1st line - counseling land psychological treatments
+/- SSRIs
risk of using SSRIs as antidepressants in adolescents
increased risk of suicidality - hence close monitoring for the first 4 weeks
tx of depression in anorexia nervosa
- SSRIs especially fluoxetine
Tx of nocturnal enuresis
1) Urotherapy
2) Alarm therapy
3) Meds
- desmopressin acetate
- TCAs
- Anticholinergics
- combinations - Alarm + meds / meds+ meds
Tx of constipation
1) education and advice
2) behavioral modification
3) last resort pharma
a) first line - paraffin oil
b) osmotic laxative
c) macrogol 3350 with electrolytes
management of severe constipation/fecal impaction
- hospitalize + x-ray
- macrogol 3350
- microlax enema
- if above doesn’t work - ColonLYTLEY via NG tube OR Sodium phosphate enema
Tx for insomnia
Temazepam
Zopiclone
Zolpidem
Melatonin prolonged release
Tx for sleep apnea
1) lifestyle mod
- Sleep hygiene ,weight loss , etc.
2) CPAP
3) surgery
4) Meds
- Amitriptyline - if severe and intolerable to CPAP
- Corticosteroid spray in children
Tx for Narcolepsy
- dexamphetamine/ Methylphenidate
- TCAs - for sleep paralysis , cataplexy and hallucinations
- Modafinil
Tx for periodic limb movements (nocturnal myoclonus)
- Levodopa+ carbidopa/ clonazepam/ sodium valproate
Tx for Restless Leg Syndrome
Self help advice
pharm
- Levodopa+ carbidopa (or+ benserazide) / clonazepam
- if more severe - pramipexole/ropinirole
Tx of Nightmares and sleep terrors
Psychological evaluation with CBT
meds
- phenytoin
- clonazepam/ diazepam
Tx of REM sleep behavior disorder
low dose clonazepam
Tx of somnambulism
benzodiazepines
tx to break a sleepless cycle
- promethazine
- trimeprazine ( NOT for <6month old)
tx of parasomnias (sleep terrors , walking and talking) in children
if persistent and severe
- phenytoin / diazepam/ imipramine
Sleep problems in the elderly
- benzodiazepines or zolpidem/zopliclone (- if they have chronic medical conditions)
- melatonin prolonged release
- if with depression - TCA
Tx of psychogenic cause of erectile dysfunction
Psychotherapy and behavioral modification
Tx of Hormonal cause of erectile dysfunction
a) If testosterone or gonadotrophin deficiency - Stepwise
1) oral - testosterone undecanoate
2) IM- testosterone enanthate
3) Implantation - testosterone implant
b) Thyroid - thyroxine
c) hyperprolactinaemia - Bromocriptine
PO med for erectile dysfunction
PDE-5 inhibitors
Side effect of PDE5 inhibitors
Headache
Which which drug does PDE 5 - inhibitors have a interaction with & what happens
Nitrates
- causes a potentially fatal hypotensive response
Contraindications of PDE-5 inhibitors
- someone with
1) unstable angina
2) recent MI
3) recent stroke
4 basic rules when taking a PDE-5 inhibitor for erectile dysfunction
1) sexual stimulation is necessary
2) avoid fatty foods
3) minimal or no alcohol
4) no nitrates
Tx of premature ejaculation
1) management strategies
- graded sensate focus
- “start-stop technique”
- squeeze technique
2) meds
- TCAs - clomipramine
- SSRIs
- local anesthesia - lignocaine+ prilocaine
Tx of tobacco dependance
1) Nicotine replacement therapy
- Nicotine gum for moderate and high dependence
- Transdermal nicotine - for all stages of dependence
- Nicotine inhaler
- Nicotine lozenges and sublingual tablets
2) Combination therapy - NRT + other agents
- Buproprion
- Varenicline tartrate
- Nlortriptyline
Drugs that help in abstinence of alcohol
- acamprosate
- Naltrexone
Tx of acute alcohol withdrawal symptoms
Fluid , electrolytes . nutrition , Vitamin B complex and thiamine
If meds are required - Diazepam
If psychotic features are present - Haloperidol
Tx of delirium tremens
Hospitalization fluids and electrolytes Tx of systemic infections Thiamine , diazepam if psychosis - {+} haloperidol
Tx of alcohol OD
supportive and symptomatic
Tx of MDMA(ecstasy) OD
- Correction of fluid and electrolytes
Tx of fantasy OD & ketamine
symptomatic
management of acute opioid toxicity
Naloxone
Tx of opioid withdrawal
Initial dose
1) Buprenorphine
- if autonomic signs- +clonidine
- if anxiety and agitation - +diazepam
Maintenance
- methadone/Buprenorphine/Naltrexone
Tx for Stimulant withdrawal (cocaine , amphetamines , ephedrine)
- psychological support
Desipramine
bromocriptine - especially for cocaine
Tx of hallucinogen induced symptoms (eg - psychosis , anxiety)
Haloperiodol
OR
Diazepam
Tx of catatonia
Benzodiazepines ( eg - Lorazepam)
Management of OCD
OCD can be treated with cognitive behavioral therapy (CBT), pharmacologic therapy or both.
CBT and SSRIs are considered to be first line therapy.
For individuals who do not respond initially to SSRIs, clomipramine or antipsychotic therapy can be attempted.
If SSRI fails for 8-12 weeks - try another SSRI
if OCD is resistant to SSRI then - use antipyschotic
Tx of acute episode of PTSD
- Benzodiazepines
best long term and mortality lowering treatment of Bipolar disorder
- Lithium