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».
Other times, a fast heartbeat greater than 100 beats a minute is not normal and is the result of a problem with the heart or irregular electrical signals in the heart. If you have a fast heart rate, it could be caused by a type of tachycardia.There are many types of tachycardias.ther times, a fast heartbeat greater than 100 beats a minute is not normal and is the result of a problem with the heart or irregular electrical signals in the heart. If you have a fast heart rate, it could be caused by a type of tachycardia. There are many types of tachycardias.