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».
1 Fever - A fever for any reason can cause tachypnea. With a fever, tachypnea is compensatory, meaning that breathing becomes more rapid to eliminate heat from the body.  Medications - Drugs such as aspirin, stimulants, and marijuana can cause a rapid shallow breathing rate.