Most common side effect of aspirin overdose.

Appeared in: NORCET 2 -2021 (Shift-2)

Explanation

Tinnitus, a ringing sensation in the ears, is a hallmark and often the earliest symptom of aspirin (salicylate) toxicity.
This symptom is a key feature of 'salicylism', which can develop from either high-dose short-term use or prolonged therapy.
It serves as a critical warning sign for both patients and clinicians to suspect overdose and intervene promptly before more severe complications arise.
Other early central nervous system effects include dizziness, vertigo, and reversible impairment of hearing and vision.

Option A: While vertigo (dizziness) can occur with aspirin toxicity, it is less specific and not considered the most common or earliest sign compared to tinnitus.
Option C: Lacrimation (excessive tearing) is not a recognized or characteristic symptom of aspirin overdose.
Option D: Although a headache can be a symptom of salicylate toxicity, it is a very non-specific symptom and is not the most common or characteristic early sign.

Visual 1: Chart - A chart illustrating the progression of aspirin toxicity symptoms from early (tinnitus, hyperventilation) to severe (metabolic acidosis, seizures, coma) correlated with rising serum salicylate levels.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Signs and symptoms of aspirin (salicylate) overdose as background academic context rather than a clinical decision trigger.
Nurses must educate patients on long-term or high-dose aspirin therapy to recognize tinnitus as a key sign of toxicity and to report it immediately.
Prompt recognition of salicylate poisoning is crucial because it can progress rapidly to life-threatening metabolic acidosis, respiratory failure, and seizures.
What if? - If a patient with arthritis on high-dose aspirin reports hearing loss instead of ringing, the nurse should still suspect salicylate toxicity, as ototoxicity can manifest as both tinnitus and hearing impairment.

How to Approach the Question

Identify the core of the question: It asks for the 'most common' side effect of 'aspirin overdose'. This requires identifying the most frequent and characteristic symptom.
Recall the classic signs of salicylate (aspirin) toxicity. This is a factual recall question based on pharmacology.
Evaluate the options based on their association with aspirin overdose. Consider which symptom is most specifically linked to salicylism.
Differentiate between common/early signs and non-specific/late signs. Tinnitus is widely known as the hallmark early symptom.
Vertigo and headache are possible but less specific. Lacrimation is not associated.
Select the option that represents the most classic and frequently cited symptom in medical and nursing literature.

Concept Tested & Keywords

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Practise the full NORCET 2 -2021 (Shift-2)

Attempt every question from this paper in a timed mock, then review the full solution for each one.