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».
Infections that affect the lungs, such as pneumonia or bronchiolitis, can cause difficulty breathing. This may translate to shorter and more rapid breaths. If these infections worsen, the lungs could fill with fluid, causing difficulty taking in deep breaths. In rare cases, untreated infections can be fatal.