- Excessive fatigue.
- Dry skin.
- Puffiness in the face.
- Increased sensitivity to the cold.
- Muscle weakness.
- Joint pain.
- Thinning hair.
- Muscle aches.
- Constipation.
- Weight gain.
- Depression.
- Impaired memory.
- Slow heart rate.
- Weight reduction.
- Weakness.
- Difficulty sleeping.
- Hand tremors.
- Hair loss.
- Sweating.
- Itching.
- Irregular heartbeat.
- Nausea and vomiting.
- Brittle hair.
- Nervousness or restlessness.
- Heart palpitations.
- Goiter (an abnormal enlargement of the thyroid gland).