Hello, Thanks for the query.
Since she is on treatment for hypothyroidism, it is important to check TSH level periodically. Because if TSH is not in the expected range (2 to 3 mU/L), then most of the symptoms come back. So please check that first. If the level is higher than mentioned, then increase the dose of thyroxine
. Presence of swelling
shows hypothyroidism is not in control