ELI5 How does medicine like antibiotics know where to go in our body

Question

ELI5 How does medicine like antibiotics know where to go in our body

In: Biology

Answer 1

Chemicals in medication bind to specific receptors, so other parts of the body won’t be affected if they don’t have those receptors. However, a lot of medications do affect other parts of the body – targeting only specific areas is pretty difficult – causing the side effects.