Keep in mind that doxycycline products are available in multiple forms, including doxycycline hyclate and doxycycline monohydrate. Doxycycline hyclate is more likely to cause GI upset or ulcers.

Relative to high-dose doxycycline, low-dose doxycycline is comparably effective but more tolerable for lymphocyti ...

Find out if this commonly prescribed antibiotic is right for you Medically reviewed by William Truswell, MD Doxycycline is an ...