This is Dr. David
a burst baker's cyst years ago wouldn't be causing swelling and your leg secreting clear fluid now
if yo have a rash now and fluid secreting out of your leg, you could be having cellulitis or dependent edema in your legs.
you need to go to the ER or hospital to get your legs checked
you could have a blood clot or DVT in your leg causing swelling
you might need a course of antibiotics.
you might need lasix to help you get rid of excessive fluid out of your body
you need to avoid salt in your diet.
you should be elevating your legs up above your heart when you sit down to allow gravity to help pull fluid out of your legs.
you need testing of your heart to see if you have weakness of your heart or liver which can be causing fluid back up in your legs.
you really need to see a doctor right away
let me know if you have other questions.
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