Energy is another word for "calories." Your energy balance is the balance of calories consumed through eating and drinking compared to calories burned through physical activity. ... People who are more physically active burn more calories than those who are not as physically active.
I looks at some articles about it and found that it does occur following a viral illness however it never said anything about Antihistamines so I still might be wrong. If it is wrong please comment the right answer for other people to see.
