Albuterol, which is commonly used to treat asthma , as well as some over the counter and prescription decongestants can cause rapid heartbeat. There can be many causes for this. Examples include asthma and emphysema . Other causes are possible. Sometimes, no cause can be found.
Prevention is related to the cause.
Many cases cannot be prevented. In most people, regular exercise is advised even though it causes a rapid heartbeat. In this case, prevention is not an issue. Avoidance of cocaine or alcohol can prevent cases from these drugs. Getting enough fluids can prevent many cases due to dehydration .