Complex sentence: It was first used to treat epidemic meningitis, but was later used to treat other ailments, including glomerulonephritis, rheumatoid arthritis, hemorrhagic necrotic enteritis, eclampsia, pulmonary edema, and circulatory shock.
Split into simpler sentences: It was first used to treat epidemic meningitis, but was later used to treat other ailments. These included glomerulonephritis, rheumatoid arthritis, hemorrhagic necrotic enteritis, eclampsia, pulmonary edema, and circulatory shock.