You should try some self care remedies until you see your doctor.
Elevate and stretch your leg as much as possible.
Also limit your salt intake.
You should take OTC Advil and Claritin.
Also monitor your blood pressure.
Maintain a good hydration.
Possible differential diagnosis may include Cellulitis,Venous insufficiency,lymphatic obstruction.
If you feel severe pain,increasing swelling spreading and tenderness then visit ER.
Otherwise make an appointment with your doctor.
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