The swelling is sudden, severe, or accompanied by fever
The knee is hot, red, or painful to touch
You can’t walk or bend the knee
Swelling lasts more than a few days without improvement
Final Thoughts
One swollen knee isn’t always a reason to panic, but it’s definitely something to pay attention to. From minor injuries to more serious joint diseases or infections, there are many possible reasons. Getting a proper diagnosis is the first step to effective treatment and long-term knee health.
