Tetracaine

Question 1

Tetracaine
Classification

Answer 1

Topical anesthetic

Question 2

Tetracaine
Mechanism of Action

Answer 2

Na+ channel blocker - stabilizes the neuronal membrane by inhibiting the ionic fluxes required for the initiation and conduction of pain impulses, thus causing local anesthetic action

Question 3

Tetracaine
Onset of Action

Answer 3

30 sec

Question 4

Tetracaine
Peak Effects

Answer 4

30 sec

Question 5

Tetracaine
Duration of effect

Answer 5

10-15 min

Question 6

Tetracaine
Half-life

Answer 6

N/A

Question 7

Tetracaine
Indications/Field Use

Answer 7

-Pain control for chemical burns to eyes
-Facilitates insertion of Morgan Lens

Question 8

Tetracaine
Contraindications

Answer 8

-Penetrating trauma to globe of eye
-Hypersensitivity to tetracaine/novocaine

Question 9

Tetracaine
Side Effects/Adverse Reactions

Answer 9

Stinging
Ocular irritation
Redness
Delayed ocular wound healing

Question 10

Tetracaine
Adult Dose

Answer 10

1-2 drops 0.5% solution q 5-10min; max dose 6 drops/eye

Question 11

Tetracaine
Pedi Dose

Answer 11

1-2 drops 0.5% solution q 5-10min; max dose 6 drops/eye

Question 12

Tetracaine
Precautions

Answer 12

Avoid prolonged use

Question 13

Tetracaine
Drug-drug interactions

Answer 13

None