my husband was prescribed 2 tablets of Azithromycin 500MG Tablet and a 10 day supply of Ciprofloxacin Hcl 500MG Tablet (20 tablets) he is claiming it is for an urinary tract infection/ mild bladder infection. Could he be lying and have contracted a STD instead. What are these two prescriptions if given together normally for? Im freaking out. He lies alot but in 20 yrs we have never had an STD issue