What causes swelling on the ankle and knee?

The etiologies may . Be the same or independent of each other. A thorough orthopedic exam seems like a good idea. The knee could be arthritic, you may have a meniscus tear etc, then due the injury the ankle is bearing more weight and causing the ankle to swell. Or, the ankle can have its own set of problems.
Arthritis. This is most probably caused by some form of arthritis to those area. See your orthopedist for x-ray evaluation and blood work to determine which form you may have and for the proper treatment.

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Can fallopian tubes cause swelling in your ankles and knees?

No. . Fallopian tubes are a normal part of female reproductive anatomy, so almost every woman has them. They don't affect lower extremity swelling. Read more...

Can 2nd degree burns on the knee cause swelling in the ankles?

See below . Any traumatic injury to the lower limb whether blunt trauma or burn can elicit an increase in fluid retention at the levels of the ankle. Could it be coincidental that your having fluid buildup in your ankles at the same time most definitely. Your lymphatic system which aids in keeping fluid levels balanced in your legs and ankles can always be affected by a sudden injury. Read more...

What are the possible causes of pain in ankle when walking after swelling in knee has gone down? Pain in knee still occurs also. Ongoing for 4 months.

Tendonitis. Have you seen an orthopedic doctor? If you get pain with activity, it is most likely related to inflammation in that area. The pain can travel up, or down, the nerve, thus, ankle pain can come from knee pain, etc. Over-use syndromes are common in the knee, and your doctor can help you treat it. Read more...
See below. Could be a reaction to the knee problem since your gait has changed you are now putting different stress on your ankle and foot. Read more...