Skip to content
My WebMD Sign In, Sign Up
diltiazem

Side Effects

List diltiazem side effects by likelihood and severity.

The following side effects are associated with diltiazem:

Common side effects of diltiazem:

Infrequent side effects of diltiazem:

  • Fluid Retention in the Legs, Feet, Arms or HandsSevere
  • RashSevere
  • Reaction due to an AllergySevere
  • Trouble BreathingSevere
  • Widening of Blood VesselsSevere
  • Blood Pressure Drop Upon StandingLess Severe
  • Chronic Trouble SleepingLess Severe
  • CoughLess Severe
  • DiarrheaLess Severe
  • Feel Like Throwing UpLess Severe
  • Flu-Like SymptomsLess Severe
  • Head PainLess Severe
  • Incomplete or Infrequent Bowel MovementsLess Severe
  • IndigestionLess Severe
  • Inflammation of the NoseLess Severe
  • Muscle PainLess Severe
  • Sinus Irritation and CongestionLess Severe
  • Stomach CrampsLess Severe
  • Throat IrritationLess Severe
  • Throwing UpLess Severe

Rare side effects of diltiazem:

  • Abnormal Liver Function TestsSevere
  • Atrioventricular Heart BlockSevere
  • Decreased Blood PlateletsSevere
  • Erythema MultiformeSevere
  • Extrapyramidal ReactionSevere
  • Fast HeartbeatSevere
  • Overgrowth of Gums Onto TeethSevere
  • Severely Low Blood PressureSevere
  • Skin Rash with SloughingSevere
  • Slow HeartbeatSevere
  • Worsening of Chronic Heart FailureSevere
  • Abnormal DreamsLess Severe
  • DizzyLess Severe
  • DrowsinessLess Severe
  • Drug or Chemical-Induced Sensitivity to SunlightLess Severe
  • Dry MouthLess Severe
  • Feeling FaintLess Severe
  • Feeling WeakLess Severe
  • Heart Throbbing or PoundingLess Severe
  • HivesLess Severe
  • ItchingLess Severe
  • Neck PainLess Severe
  • Ringing in the EarsLess Severe
  • Small Reddish-Purplish Pin-Point Sized Spots on the SkinLess Severe

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

More about Drugs and Medications

Newsletters

Subscribe to free WebMD newsletters.

  • WebMD Daily

    WebMD Daily

    Subscribe to the WebMD Daily, and you'll get today's top health news and trending topics, and the latest and best information from WebMD.

  • Men's Health

    Men's Health

    Subscribe to the Men's Health newsletter for the latest on disease prevention, fitness, sex, nutrition, and more from WebMD.

  • Women's Health

    Women's Health

    Subscribe to the Women's Health newsletter for the latest on disease prevention, fitness, sex, diet, anti-aging, and more from WebMD.

By clicking Submit, I agree to the WebMD Terms & Conditions & Privacy Policy

URAC: Accredited Health Web Site HONcode Seal AdChoices