Beethoven probably began to go deaf after what he called his “terrible typhus” of 1797, but he tried to keep it a secret, while consulting doctors and trying various remedies, such as the application of almond oil. He was extremely anxious about its possible effect on his career as a musician, and embarrassed by its effect on his social life.
In the summer of 1801 he wrote to tow friends. To Franz Wegeler in Bonn he wrote that he was very busy, with more commissions than he could cope with,and publ