What is the difference between doxycycline hyclate and doxycycline monohydrate?

Doxycycline hyclate and doxycycline monohydrate are two forms of the same medication, but they have different chemical structures. Doxycycline hyclate is more soluble in water and is often used for oral administration, while doxycycline monohydrate is less soluble and is typically used in delayed-release capsules. Both forms are effective antibiotics used to treat a variety of bacterial infections.