A member asked:

Dads extremely tired has congestive heart failure but got more tired after they added lasik to his metformin could this be the problem?

A doctor has provided 1 answer
Dr. Richard Zimon answered

Specializes in Internal Medicine

Lasix: like any other "fluid pill" depletes the body of POTASSIUM in patients with normal kidney function! Ask your Dad's PCP (or Cardiologist) to check his blood! for serum K (Potassium) Just a thought! Dr Z

Answered 10/8/2016

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