Just for the record, in case anyone is having this question, I was treated with Clindamycin for one month. It had no effect at all on my tinnitus. But it did cause Clostridium Difficile which is a horrible condition, so in case you have been prescribed Clindamycin, talk to your doctor to take it together with probiotics, e.g., Saccharomyces boulardii or Lactobacillus rhamnosus GG.