NURSING ANM AND GNM

NURSING EXAM QUESTIONS

PHARMACOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is one SERIOUS reaction to Ethmbutol?
A
nausea and vomiting
B
Optic neuritis
C
hypertension
D
heartburn
Explanation: 

Detailed explanation-1: -Ethambutol-induced optic neuropathy (EON) is a well-known complication that results from the use of ethambutol. The ocular manifestations of EON include painless loss of central vision and cecocentral scotomas in the visual field.

Detailed explanation-2: -The most commonly recognized toxic effect of ethambutol is optic neuropathy, which generally is considered uncommon and reversible in medical literature.

Detailed explanation-3: -Core Tip: Ethambutol-induced optic neuropathy is most commonly characterized by bilateral symmetrical loss of vision, but it may also occur successively in both eyes. Ethambutol may influence retinal photoreceptor cells and retinal ganglion cells.

There is 1 question to complete.