Note that this medication discolors the urine orange. Doxycycline may not be the right antibiotic for a UTI. If your symptoms aren’t going away, talk with your provider. They may order ...

UTI symptoms should begin to improve within 2 ... Tetracycline antibiotics such as Vibramycin (doxycycline) Vitamin K antagonists such as Jantoven (warfarin) Zyloprim (allopurinol) Amoxicillin ...