Medicines used to treat other diseases, as well as foods and other ingested materials, can result in unwanted tinnitus. These include alcohol, antineoplastic chemotherapeutic agents and heavy metals, antimetabolites, antitumor agents, antibiotics, caffeine, cocaine, marijuana, nonnarcotic analgesics and antipyretics, ototoxic antibiotics and diuretics, oral contraceptives, quinine and chloroquine, and salicylates.
References: Kim SH, Kim D, Lee JM, Lee SK, Kang HJ, Yeo SG. Review of Pharmacotherapy for Tinnitus. Healthcare (Basel). 2021 Jun 21;9(6):779. doi: 10.3390/healthcare9060779. PMID: 34205776; PMCID: PMC8235102.