As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.iruses. Viruses are even smaller than bacteria and require living hosts â such as people, plants or animals â to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
Some seizures may place temporary but severe stress on the body and cause problems with the muscles, lungs, or heart. Choking, an abnormal heartbeat, or other problems may cause sudden death, though this is rare. Untreated seizures that become more severe or frequent may lead to these problems.
Anxiety-especially panic attacks and severe anxiety reactions-overwhelm the brain. They can cause severe physical and emotional responses, and in some cases it may feel as though your brain is firing on all ends. One of the worries that people have is that their anxiety is causing a seizure.