Epilepsy is a disorder of the brain. People who have epilepsy have electrical activity in the brain that is not normal, causing seizures. There are different types of seizures. In some cases, a seizure may cause jerking, uncontrolled movements, and loss of consciousness.
1 The following drugs, medications, substances or toxins may possibly cause Rapid breathing as a side effect. 2  Amphetamine intoxication. 3  Procyclidine. 4  Kemadrin. 5  Disipal. 6  Theophylline.  more drug causes...Â».
The hormones made in the thyroid gland affect almost every organ in the body, including the heart. Hypothyroidism can cause the heart to beat more slowly, while hyperthyroidism causes a fast heartbeat. Elevated levels of thyroid hormones also can lead to increases in blood pressure and the sense that your heart is pounding (palpitations).