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».
Some of the more common causes include: 1  Fever - An increased rate of breathing with a fever as the body attempts to lose heat by breathing faster. 2  Dehydration â Dehydration alone can result in a rapid rate of breathing. 3  Asthma â During an asthma attack, respiratory rate is often increased.