<prompt> Zidovudine toxicity is increased by all except -AzithromycinProbenecidCisplatinParacetamol  <response>: Paracetamol increases zidovudine toxicity ,probably by competing for glucuronidation. Azole antifungals also inhibit AZT metabolism. Other nephrotoxic myelosuppressive drugs probenecid enhance toxicity . Reference :Tripathi textbook of pharmacology 7th edition pg no 807. 