Dermatologic, Ophthalmic, and Otic Flashcards
antiglaucoma drug categories
Cholinergic Drugs (Mitotics) Sympathomimetics (Mydriatics) Beta-Adrenergic Blockers Carbonic Anhydrase Inhibitors Prostaglandin Agonists
Cholinergic Drugs (Mitotics) Key drugs:
- Pilocarpine
- Echothiophate
Sympathomimetics (Mydriatics)
Key drug:
Dipivefrin
Beta-Adrenergic Blockers
Key drugs:
- Betaxolol
- Timolol
Carbonic Anhydrase Inhibitors
Key drug:
Dorzolamide
Prostaglandin Agonists
Key drug:
Latanoprost
Cholinergic Drugs:
MOA
Similar to acetylcholine effects in the body
Cholinergic Drugs: Indications
Open-angle glaucoma, angle-closure glaucoma, convergent strabismus
Cholinergic Drugs: Contraindications:
Drug allergy
Cholinergic Drugs: Adverse Effects
Local and limited to the eye
Cholinergic Drugs: Interactions
Unlikely due to local action of these drugs
Cholinergic Drugs:
Nursing Considerations
-
Pilocarpine
Direct-acting miotic
Treatment of glaucoma
Echothiophate
Indirect-acting miotic
Management of glaucoma
Long acting
Sympathomimetics:
MOA
Mimic norepinephrine and epinephrine
Sympathomimetics:
Indications
Reduce intraocular pressure in chronic open-angle glaucoma
Sympathomimetics:
Contraindications
Drug allergy
Sympathomimetics:
Adverse Effects
Burning, eye pain, and lacrimation
Sympathomimetics:
Interactions
Anesthetics, cardiac glycosides, thyroid hormones, or TCA’s potentially cause dysrhythmias
Sympathomimetics:
Nursing Considerations
-
Beta-Adrenergic Blockers:
MOA
Reduce both elevated and normal intraocular pressure
Beta-Adrenergic Blockers: Indications
Chronic open-angle glaucoma and ocular hypertension
Beta-Adrenergic Blockers:
Contraindications
Drug allergy
Beta-Adrenergic Blockers: Adverse Effects
Most common are transient burning and discomfort