Taking 500mg levaquin for 7 days how many hours should i separate my 20mg of lexapro (escitalopram)?

No clear indication: Lexapro (escitalopram) has few significant adverse drug interactions and it is likely not necessary to separate the dosing and I would take both as directed by your prescribing providers. I also recommending checking in with the physician that prescribed the Lexapro (escitalopram) for further guidance.

Medication effect: Thank you for informing about Thoracic Surgery, Anxiety disorder, and IBS. If Levaquin was prescribed after Thoracic Surgery, you possibly had Pneumonia. Follow with your Surgeon. Using Lexapro (escitalopram) with Levaquin can increase the risk of an irregular heart rhythm. See Psychiatrist for IBs and Anxiety, discuss decreasing dose of Lexapro (escitalopram), and taking Ativan or Xanax; Therapy, Relaxation, Meditation

Timing matters not: The two do interact, but spacing out the doses isn’t necessary. Together, the two drugs increase the chance of risk of a rare but serious side effect affecting the heart. It most commonly affects older patients and those with a heart health history or low blood potassium or magnesium. In a younger person, the concern is usually not as great. Make sure your doctors know you’re on both meds together