Motion sickness Flashcards

1
Q

Diphenhydramine

A

Benadryl

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2
Q

dimenhydrinate

A

Dramamine

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3
Q

Meclizine

A

Dramamine All Day Less Drowsy

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4
Q

Scopolamine

A

Transderm Scop

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5
Q

Metoclopramide and the SHT-3receptor antagonists (e.g., ondansetron) in motion sickness

A

are generally not effective for motion sickness.

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6
Q

Only one antiemetic works well for motion sickness. What is it?

A

PROMETHAZINE
is prescription only and should not be used in children due to the risk of respiratory depression. All promethazine products carry a boxed warning to avoid use in children less than 2 years old and strongly caution against use in children age 2 and older

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7
Q

Scopolamine patch frequency

A

one patch every 3 days PRN

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8
Q

CI of scopolamine patch

A

Hypersensitivity to belladonna alkaloids, closed-angle glaucoma

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9
Q

SE of scopolamine

A

Dry mouth, CNS effects [drowsiness, dizziness, confusion (can be significant in elderly, frail), hallucinations (rare)], stinging of the eyes and pupil dilation (if eyes are touched after handling), risk of increased IOP,tachycardia (rare)

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10
Q

Should we remove Scopolamine patch before MRI ?

A

Yes

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11
Q

can you use scopolamine in children?

A

No do not use in children.

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12
Q

Counsel on scopolamine patch for N/V due to motion sickness or anaesthesia/surgery

A
  • Apply at least 4 hours before needed or the night before surgery
  • Press firmly to skin behind ear for 30 seconds
  • Try to avoid placing the patch over hair, or when the patch is removed, the hair may be removed, too
    -Lasts 3 days; if continued treatment needed, remove the first patch and place a new patch behind the other ear.
    -Wash hands after applying
    -Do not drive: high level of sedation, dizziness,confusion - these anticholinergic side effects are worse, and not well-tolerated, in elderly patients (avoid use when possible)
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13
Q

scopolamine uses

A

motion sickness
pre-op C section

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14
Q

Dimenhydrinate (Dramamine) class and uses

A

First Generation Antihistamine H1
Motion sickness
N/V

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15
Q

Warning with Dramamine

A

CNS DEPRESSION (may impair physical or mental abilities, caution in elderly), worsening of BPH symptoms, INCREASE IOP (GLAUCOMA)

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16
Q

SE of dramamine

A

Dizziness
Drowsiness
Dry mouth
Blurry vision

17
Q

Difference between Dramamine original formula and dramamine all day less drowsy

A

There are various OTC formulations of Dramamine with different ingredients.
Dramamine Original Formula contains only dimenhydrinate.

Dramamine All Day Less Drowsy contains only meclizine.

18
Q

What is Meclizine

A

Dramamine All Day LessDrowsy

Meclizine is a first-generation antihistamine (non-selective H1 antagonist). It also has central anticholinergic actions. [5] The blocking actions on these receptors give meclizine its antiemetic and antivertigo properties.

19
Q

Warning, SE and common use of Meclizine

A

WARNINGS
CNS depression (may impair physical or mental abilities, caution in elderly), worsening of BPH symptoms, i IOP (glaucoma)

SIDE EFFECTS
Sedation, dry mouth, dry/blurry vision, tachycardia

NOTES
Meclizine is commonly used for vertigo; it was previously branded as Antivert

20
Q

All antihistamines have anticholinergic effects similar to scopolamine. Oral agents must be taken _____ minutes before effect is needed

A

30-60 min

21
Q

Scopolamine has this major set of side effects and can cause ___ if you get it in your eye

A

Anticholinergic! Stinging of the eyes and pupil DILATION