Causes of the American Revolution. French and Indian War. Also known as the Seven Years War, this war was fought over conflicting territorial claims between the French and British in the Ohio River Valley.
1 Meniere's disease-It is an inner ear disorder that causes severe hearing loss, ringing in the ears and dizziness. 2  The disease can affect one or both ears. 3  Acoustic neuroma-It is a non-cancerous tumor of the ear causing ringing in the ears, hearing loss and dizziness and balance problems. 4  Trauma to the inner ear.
Tinnitus is the most common adverse effect of salicylate toxicity. Other adverse effects include hearing loss, nausea, vomiting, headache, confusion, tachycardia, and tachypnea. Hearing loss is typically mild to moderate and bilaterally symmetric. Recovery usually occurs 24-72 hours after cessation of the drug.