TETRACAINE

Question 1

Generic/Trade Name

TETRACAINE

Answer 1

TETRACAINE

Question 2

TETRACAINE

Drug Classification:

Answer 2

Topical anesthetic

Question 3

TETRACAINE

Mechanism of Action:

Answer 3

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 4

TETRACAINE

Pharmacokinetics

Answer 4

• Onset of Action = 30 seconds
• Peak Effects = 30 seconds
• Duration of Effect = 10-15 minutes
• Half-Life = N/A

Question 5

TETRACAINE

Indications & Contraindications

Answer 5

Indications/Field Use:
• Pain control for burns to eyes
• Facilitate insertion of Morgan Lens

Contraindications:
• Hypersensitivity to tetracaine/novocaine

Question 6

TETRACAINE

Side Effects/Adverse Reactions:

Answer 6

Stinging, redness

ocular irritation, delayed ocular wound healing

Question 7

TETRACAINE

Adult & Pedi Dose:

Answer 7

(ADULT): 1-2 drops 0.5% solution q5-10min; max dose 6 drops/eye

Question 8

TETRACAINE

Precautions:

Answer 8

Caution with patients with hyperthyroid

Avoid prolonged use

Question 9

TETRACAINE

Drug-Drug Interactions:

Answer 9

None