Exam 1 - Week 1 - Decongestants Flashcards

1
Q

Route of decongestants?

A

Topical

Oral

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2
Q

What do decongestants do in simple terms?

A

Help patient breathe

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3
Q

Decongestant MOA

A

Sympathomimetic agents that stimulate alpha and beta adrenergic receptors, causing vasoconstriction in the respiratory tract mucosa, thus improving ventilation

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4
Q

How do topical decongestants work?

A

Slow ciliary motility and mucocillary clearance

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5
Q

How do oral decongestants work?

A

Help clear nasal mucus and obstruction and prevent rhinosinusitis and Eustachian tube blockage (similar to topical)

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6
Q

Name 2 topical (nose spray) decongestants.

A
  1. Oxymetazoline hydrochloride (Afrin)

2. Phenylephrine hydrochloride (Neo-synephrine, Little Remedies, Afrin Childrens)

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7
Q

Name 2 oral decongestants.

A
  1. Pseudoephedrine (Sudafed)

2. Phenylephrine (Sudafed PE [not recommended])

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8
Q

How do you obtain oral decongestants?

A

Controlled behind the pharmacy counter, no prescription necessary.

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9
Q

What age is safe for oxymetazoline hydrochloride (Afrin)?

A

> 6 years

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10
Q

What age is safe for pseudoephedrine (Sudafed)?

A

> 4 years

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11
Q

What are contraindications to decongestants?

A
Hypersensitivity
Narrow angle glaucoma
Severe uncontrolled HTN
CAD
MAOI within 14 days
<4 years
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12
Q

Adverse reactions of decongestants?

A

Increased BP & hr, palpitations, HA, dizziness, GI, insomnia, tremor (2SN states decreased HR & BP)

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13
Q

Admin: Oxymetazoline hydrochloride

A

Should only be used 2-3 sprays in each nostril every 10-12 hours.
2 doses in a day.
Use ONLY FOR 3 Days

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14
Q

Admin: Phenylephrine hydrochloride

A

Can be used q 4hrs. but should only be used 2-3 times in a day

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15
Q

Admin: Pseudoephedrine (Sudafed)

A

Oral preparations at least 2hrs before bed.

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16
Q

Drug-Drug interactions with decongestants?

A

Appetite suppressants, MAO (HTN crisis), beta adrenergic agents (bradycardia & HTN)

17
Q

Are decongestants more effective with drugs that alkalize urine or with drugs that acidify urine?

A

Alkalize