i am using medicines and i feel that some of them...

Dear Customer
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what are the medication you are taking :

- lipitor 20 mg : statin , lower cholestrol levels in body
- zestril 10mg : ACE inhibitors , control blood pressure 
- lipanthyl 145mg : fibrate , lower cholestrol levels in body 
- xigdu xr : glucophage and dapagliflozin to control blood suger 

which one of those medication may increase salt levels in blood and causing edema :

none of those medication are likely to cause increasing you body sodium levels or effects on your kidney function 

our advices :

1. please reconsult your doctor about your medication and its effects on your body , besides doing needed medical test such as kindey function test
2. lower your salt diet intake 
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Kind Regards