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Systemic Ocular Pathology and Pharmacology > Drug Delivery Routes > Flashcards

Drug Delivery Routes Flashcards

1
Q

Systemic

A

Enteral and Parenteral

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2
Q

Local

A

Topical

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3
Q

Drug to Body
Refers to the GI Tract
(oral, duodenal, gastric, rectal)

A

Enteral

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4
Q

Oblong Shape

A

Enteral

Capsule

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5
Q

Round shape

A

Enteral

Tablet

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6
Q

Cross shaped

A

Enteral

Caplet

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7
Q

Prevents dissolving quickly

A

Enteral

Enteric Coated

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8
Q

Advantages of Enteral

A 
Safe 
Convenient 
Self Administered 
Economical 
Non Invasive
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9
Q

Disadvantage of Enteral

A

Slow Action
GI Irritation
Cannot be given to unconscious patients
May undergo First Pass Metabolism

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10
Q

Going to the tissues

Outside the GI Tract

A

Parenteral

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11
Q

Injecting through SKIN

A

Parenteral

Intradermal

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12
Q

Injecting UNDER the SKIN

ex. insulin

A

Parenteral

Subcutaneous

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13
Q

Injecting directly ON THE MUSCLE
(IM)
Large skeletal

A

Parenteral
Intramuscular
IM

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14
Q

Injecting into a VEIN

A

Parenteral
Intravenous
(IV)

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15
Q

Gaseous substance is introduced to the body via Pulmonary Epithelium - Respiratory System

A

Parenteral

Inhalation

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16
Q

Used to release a drug slowly by absorption on the skin

Ex Patches

A

Parenteral

Transdermal

17
Q

Giving a drug across mucous membranes in the mouth

A

Parenteral

Transmucosal

18
Q

Behind the Eye

Paralyze it

A

Retrobulbar

19
Q

Injecting into the Episclera

A

Subconjunctival

20
Q

Injecting into the Anterior Chamber

A

Intracameral

21
Q

Injecting into the Vitreous

A

Intravitreal

22
Q

Advantages of Parenteral

A 
Rapid 
More predictable 
Avoids first pass metabolism 
Avoids GI irritation 
Easy for unconscious patients
23
Q

Disadvantages of Parenteral

A 
May be painful 
Could damage the nerves 
More expensive 
Less safe 
Keep everything sterile
24
Q

Application of drug to the skin or mucous membranes

A

Local

Topical

25
Q

Topical Medical Administration

A 
Ointment 
Cream
Gel 
Powder 
Paste 
Mucous Membrane
26
Q

Advantages of Local

A 
Low risk of systemic adverse effects
Low risk of drug interactions 
Small amount of drug is used 
Ease of administration to uncooperative / unconscious patients 
Low cost 
Avoids first pass metabolism
27
Q

Disadvantages of Local

A

Potential allergic contact dermatitis
Reduced penetration to target area
Thickness of skin impacts absorption speed
Time consuming to apply

28
Q

Innovative Drug Delivery Advantages

A 
Improves compliance 
Drug stays in the tissue even after lens removal 
Continuous drug delivery 
Avoids need for drops or surgery 
Not very invasive
29
Q

Suppositories

A

Absorbed through the butt

30
Q

? Feeding tubes in the intestine

A

Gastrostomy Tube

31
Q

Sublingual

A

Under Your Tongue

Systemic Ocular Pathology and Pharmacology (34 decks)

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