What Is Tetracycline?

Tetracycline is an antibiotic that was first patented in the 1950s. It has a molecular structure consisting of four rings, and it is used to treat several types of bacterial infections. Doctors refer to tetracycline as a broad-spectrum antibiotic, and it can be taken orally as a capsule and as a syrup. Tetracycline capsules are available in tablets of 250 and five hundred milligrams, and five milliliters of the oral syrup contains 125 milligrams of tetracycline. Most adults will need to take one to two thousand milligrams per day, and doses may be spread out over six to twelve hours.