NERVOUS SYSTEM - SLEEP DISORDERS + SUBSTANCE DEPENDENCE Flashcards
What is insomnia?
Sleeping problem
List 4 symptoms of insomina?
difficulty sleeping
difficulty staying asleep
early morning awaking
poor sleep quality
What is transient insomnia caused by?
Environmental factors (use 1-2 doses of short-acting hypnotic - midazolam)
e.g. jet lag
What is short-term insomnia caused by?
Emotional or serious illness
How to treat short-term insomnia?
Use short-term hypnotic intermittent (use for <3 weeks)
What is chronic insomnia caused by?
Psychiatric or physical illness- treat the underlying cause.
List the 3 types of insomnia?
Transient
Short-term
Chronic
What 2 classes of drugs are given for insomnia?
Z drugs
Benzodiazepines
List 2 Z drugs used in insomnia?
Zopiclone
Zolpidem
What drug schedule are Z drugs?
CD4 part 1
List Benzos used in insomnia? (8)
Nitrazepam
Flurazepam
Diazepam
Temazepam
Lorazepam
Loprazolam
Lormetazepam
Oxazepam
Are zopiclone + zolpidem short or long acting?
Short acting
What Z drug causes taste disturbances
Zopiclone
What Z drug causes GI disturbances?
Zolpidem
What is 1 counselling point to tell the patient regarding zolpidem and driving?
Drowsiness may still persist the next day - leave 8 hours before driving.
What Benzo is commonly used in dental procedures + preferred?
Diazepam
Lorazepam
Temazepam - preferred
What 2 benzos help with insomnia linked to anxiety?
Lorazepam
Oxazepam
What 2 Z drugs are short-acting?
Zopiclone + Zolpidem
Who should benzos + Z drugs be avoided in?
Elderly - risk of falls
What is MOA of Z drugs?
Acts on benzodiazepine sites on GABA receptors + increases GABA binding.
What is indication of Z drugs?
Severe insomnia -SHORT TERM
What 3 benzos are long acting?
Diazepam
Flurazepam
Nitrazepam
What 5 benzos are SHORT acting?
Temazepam
Lorazepam
Loprazolam
Lormetazepam
Oxazepam
What effect is more prominent in long-acting benzodiazepines?
Hangover effect
Anxiolytic effect during day (diazepam single dose at night).
What are 3 SEs of Z -drugs?
Daytime sleepiness
Respiratory depression
Dependence + tolerance
What does label say for Z-drugs?
this medicine makes you feel sleepy. If you still feel sleepy the next day, do not drive or use tools/ machines.
Do not drink alcohol.