what causes a fluttering feeling in chest
The adrenaline rush will produce a faster and stronger than normal heartbeat. That's when you get the feeling of a butterfly or flutter in the chest.. Other causes for chest flutters may include: 1  Caffeine. 2  Alcohol. 3  Smoking. 4  Exercise. 5  Fever. 6  Over-the-counter medications such as diet pills or allergy medicine.
Some heart rhythm disorders can cause a fluttering in the chest, shortness of breath, chest pain or dizziness.