- 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
Diltiazem
Pronounced dil-TYE-ah-zem
Brand names: Cardizem, Tiazac
Type: Calcium channel blocker · All Heart & Blood Pressure Medicines
What Diltiazem is used for
- High blood pressure
- Chest pain (angina)
- Fast heart rhythms such as atrial fibrillation
Common side effects
- Ankle swelling
- Headache
- Dizziness
- Constipation
- Slow heartbeat
Important cautions
- Interacts with many other medicines — tell your care team everything you take
- Can slow the heart too much when combined with some other heart medicines
How it comes
Tablets, extended-release capsules, injection (hospital). This guide lists forms only — it never lists strengths or doses.
Related medicines — Heart & Blood Pressure Medicines
Condition guides on MedicalVideos.com
- High Blood Pressure (Hypertension) — videos, articles and guides · medicines for high blood pressure (hypertension)
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.