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Have edema in the feet and legs. Diagnosed with atrial fibrillation. Taking furosemide, digoxin. Treatment?

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General & Family Physician
Practicing since : 2004
Answered : 1773 Questions
I have edema in the feet and legs which feel very tight. I have been diagnosed with Atrial Fibrillation. I am taking Furosemide40mg,also Digoxin 125mcg, Diltiazem 60mg(3 daily) and Warfarin3mg (latest INR reading 2.1).My blood tests show normal apart from a slight imbalance of the thyroid( no sign of diabetes,but my mouth gets very dry). I am an 82yr old male. I am in good health other than the problems listed. What causes edema and what treatment is available?
Posted Thu, 23 May 2013 in Hypertension and Heart Disease
Answered by Dr. Chakravarthy Mazumdar 15 minutes later

I was asked to respond to this query as you were not satisfied with the previous doctors answer. I will try my best here.

If your legs were swollen and tight that means the pedal edema (swelling of the legs) is resistant to treatment and if the edema is persisting in spite of diuretic (Furosemide). This is called treatment resistant or refractory edema.

Are you adhering to the right dose of Furosemide? Have you checked recently with your treating doctor?
Are you taking low salt diet (one and half tea spoon of salt per day)?
What is recent serum creatinine and serum protein values?

A variety of factors can account for persistent fluid retention, including inadequate furosemide dose or frequency, excess sodium intake, delayed intestinal absorption of oral diuretics(furosemide ), decreased diuretic excretion into the urine, and increased sodium reabsorption at sites in the kidney nephron other than those inhibited by the diuretic. Diltiazem can cause fluid retention in legs.

You should never take common pain killers that are NSAIDs like brufen, diclofenac etc. They cause fluid retention and can damage the kidney.

So I suggest you to ask your physician about IV therapy of furosemide, if the tolerance is not achieved. Your doctor should try to add another class of diuretic (water pill). If the protein is lesser then albumin infusions can be planned. Sometimes assumption of the supine position can increase the creatinine clearance by as much as 40 percent and the diuretic response to a loop diuretic by as much as two-fold especially in heart failure.

Let me know if this understandable and if I can add value to the answer.

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