What condition can Lasix cause due to its pharmacological effects?

Lasix, known generically as furosemide, is a loop diuretic commonly used to treat conditions like edema and hypertension. One of the notable side effects of this medication is ototoxicity, which is damage to the auditory nerve or the inner ear.

Ototoxicity can occur especially with high doses of Lasix or when it is used in conjunction with other ototoxic drugs. This side effect may present as tinnitus, hearing loss, or balance disturbances. The mechanism behind ototoxicity is related to the way furosemide affects renal handling of electrolytes, particularly sodium and potassium, which are essential for proper cellular functions in the auditory system.

While reflex tachycardia might be a secondary cardiovascular response to hypotension caused by excessive diuresis, it is not a primary pharmacological effect associated with furosemide itself. Rather, ototoxicity is a well-documented and direct consequence of the drug's action. Understanding the specific adverse effects of medications like Lasix is crucial for ensuring patient safety and monitoring during treatment.