Hyperthyroidism also results in very fine trembling or tremors in your fingers and hands. T4 and T3 (Thyroid Hormones) increase transmission of synaptic signals. The same central and synaptic stimulus creates a stronger and powerful effect on the muscles and causing fine tremors.
Mania is a mental state that is usually characterized by high volatility, and flights of creativity and extreme energy. It is caused by imbalance of chemical neurotransmitters in the brain, which can be the result of hormonal deregulation or substance abuse.
Mania is also a very common and popular symptom of overactive thyroid due to the increased levels of brain chemicals stimulated by abnormal hormone production.
Other symptoms on next page…