Diltiazem Side Effects to Report
Some side effects with
diltiazem can indicate a serious problem and should be reported to your healthcare provider. These include but are not limited to:
- Chest pain
- An irregular heart rhythm (arrhythmia)
- Signs of low blood pressure, such as dizziness, lightheadedness, or fainting
- Depression (see Diltiazem and Depression)
- High blood sugar (hyperglycemia)
- Hallucinations
- Signs of an allergic reaction, including:
- An unexplained rash
- Hives
- Itching
- Unexplained swelling
- Wheezing
- Difficulty breathing or swallowing.
Rare Diltiazem Side Effects
Rare side effects occur in less than 2 percent of people taking diltiazem. Because these side effects are so uncommon, it is difficult to tell whether they are caused by the medication or something else.
Some of these rare side effects of diltiazem include but are not limited to: