Intermittent hydrarthrosis  is an rare syndrome affecting women that is characterized by symmetric joint effusions, predominantly involving the knees, without joint destruction. These effusions occur periodically, with recurrent self-remitting episodes of acute arthritis often monthly at or around the menses.
When is hydrarthrosis considered intermittent?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: When is hydrarthrosis considered intermittent? [/INST] \n Intermittent hydrarthrosis  is an rare syndrome affecting women that is characterized by symmetric joint effusions, predominantly involving the knees, without joint destruction. These effusions occur periodically, with recurrent self-remitting episodes of acute arthritis often monthly at or around the menses.</s>