Well there can be many symptoms with low thyroid
Feeling cold, slow pulse, low body temperature, dry skin, constipation
, hair loss and
thinning , depression and mood swings, tiredness, brain fog, frequent infections, and the list goes on.
The thyroid controls the metabolism, and all systems can be sluggish due to thyroid insufficiency.
Hope this helps, but you could soon check with a full thyroid blood panel, being FT3, FT4, TSH.