H91.02

Clinical Causes: Use of ototoxic medications such as aminoglycoside antibiotics, platinum-based chemotherapy drugs, loop diuretics, and certain anti-inflammatory drugs Exposure to high levels of noise combined with ototoxic drugs Prolonged use or high doses of medications known to affect the inner ear Chemical exposure or toxins that may have ototoxic effects Pre-existing ear conditions or genetic predispositions that increase vulnerability to ototoxicity

Key Symptoms: Gradual or sudden loss of hearing in the left ear Perception of ringing or buzzing sounds (tinnitus) in the affected ear Feeling of fullness or pressure in the left ear Dizziness or balance problems, especially if the inner ear is significantly affected Difficulty understanding speech, particularly in noisy environments Possible asymmetry where only one ear is impacted

Diagnosis Path: Diagnosis typically involves a combination of medical history review, audiometric testing, and possibly imaging studies. Healthcare providers will assess exposure to ototoxic agents, conduct hearing tests to determine the extent of hearing loss, and rule out other potential causes such as infections or structural abnormalities. Early detection is important in managing ototoxicity and preventing further damage.

Treatment Protocols: While some hearing loss caused by ototoxic drugs may be permanent, various strategies can be employed to manage the condition. These include: - Discontinuing or adjusting the medication under medical supervision - Use of hearing aids to amplify sounds and improve hearing function - Regular monitoring of hearing ability during treatment with ototoxic drugs - Rehabilitation through auditory training or balance therapy if dizziness occurs - Counseling and support for adapting to changes in hearing Treatment plans should always be personalized and developed in consultation with healthcare professionals who can evaluate the risks and benefits of ongoing therapies.