- Physical Examination
- Surgical Examination
- Ophthalmology
- Clinical Skills
- Orthopedics
- Surgery Videos
- Laparoscopy
- Pediatrics
- Funny Videos
- Cardiothoracic Surgery
- Nursing Videos
- Plastic Surgery
- Otorhinolaryngology
- Histology and Histopathology
- Neurosurgery
- Dermatology
- Pediatric Surgery
- Urology
- Dentistry
- Oncology and Cancers
- Anatomy Videos
- Health and Fitness
- Radiology
- Anaesthesia
- Physical Therapy
- Pharmacology
- Interventional Radiology
- Cardiology
- Endocrinology
- Gynecology
- Emergency Medicine
- Psychiatry and Psychology
- Childbirth Videos
- General Medical Videos
- Nephrology
- Physiology
- Diet and Food Health
- Diabetes Mellitus
- Neurology
- Women Health
- Osteoporosis
- Gastroenterology
- Pulmonology
- Hematology
- Rheumatology
- Toxicology
- Nuclear Medicine
- Infectious Diseases
- Vascular Disease
- Reproductive Health
- Burns and Wound Healing
- Kidney Zone Podcast
- Other
What Does IT Mean in Medical Terms?
IT stands for intrathecal. Into the spinal canal, describing a medicine route.
intrathecal
Into the spinal canal, describing a medicine route.
Where you will see IT
You will most often see IT in medication orders and prescriptions, neurology notes and assessments.
Example
A medication order might be written with “IT” as shorthand for intrathecal.
Related abbreviations
- 14-3-3 — 14-3-3 protein (CSF)
- 3% saline — three percent saline (hypertonic)
- 3D-CAM — 3-minute Diagnostic Confusion Assessment Method
- 4AT — 4 A's test
- 5-FU — fluorouracil
- 6-MP — mercaptopurine
- 6-TG — thioguanine
- 7+3 — seven plus three induction
Browse the full Medical Abbreviations guide — 5,715 entries, searchable A–Z and by specialty.
Educational reference only. This guide is for learning and quick reference. Abbreviations vary between hospitals, countries and specialties, and some are discouraged because they can be misread. Always write and interpret orders using your own institution’s approved abbreviation list, and check anything unclear with the prescriber or your local policy.