Minocycline is the trade name, its generic name is Minocycline Hydrochloride, common dosage forms are capsules, tablets, ointment, etc. The usage and dosage of this product in different dosage forms and different specifications may vary, and must be used in accordance with the doctor’s instructions. Minocycline Hydrochloride Capsules and Minocycline Hydrochloride Tablets are used for the treatment of various infections caused by pathogens sensitive to this drug, such as sepsis, bacteremia, etc. The common adverse reactions are abdominal pain, nausea, anorexia, dizziness and so on. In addition, it is forbidden for those who are allergic to tetracyclines, pregnant and lactating women need to weigh the pros and cons, children under 8 years old are forbidden, and the elderly should be used with caution. Minocycline Hydrochloride Tablets and Minocycline Hydrochloride Capsules: oral administration, the first dose of 200mg (100mg per tablet, two tablets) for adults, and then 100mg orally every 12 hours; used for acne vulgaris, 50mg each time, two times a day; patients with renal impairment with the use of medication, the total daily dose in 24 hours should not exceed 200mg; severe hepatic insufficiency should be reduced in the amount taken. For details, please follow the doctor’s instructions. For minocycline hydrochloride ointment, patients cleaning or subgingival scraping, the ointment will be filled with the affected periodontal pockets, once a week, four times in a row, such as the need to use minocycline hydrochloride, the patient must be diagnosed clearly under the guidance of a professional physician to comply with the instructions of standardized use of medication.