Eli5: How do certain medications cause weight gain? Don’t you need to be in a caloric surplus to gain weight?

Question

Eli5: How do certain medications cause weight gain? Don’t you need to be in a caloric surplus to gain weight?

In: Other

Answer 1

Certain medications can mess with your feelings of hunger, or with how your body processes calories. So while yes, technically the medication isn’t causing you to gain more weight directly, the effects it has on the body can lead people to eat more than they normally would.