Diltiazem: Side Effects, Uses & Monitoring
Facts extracted from current FDA product labeling for Diltiazem. Educational only — not medical advice.
Reported adverse reactions
| Reaction | Highest frequency reported* |
|---|---|
| Headache | 5.4% |
| Bradycardia | 3.3% |
| Av block first degree | 3.3% |
| Dizziness | 3% |
| Edema | 2.6% |
| Ecg abnormality | 2.3% |
| Asthenia | 1.8% |
*Highest percentage across placebo-controlled trial tables summarized in current labeling.
Labeled uses
Diltiazem Hydrochloride Extended-release Capsules (Once-a-Day Dosage) are indicated for the treatment of hypertension. It may be used alone or in combination with other antihypertensive medications. Diltiazem Hydrochloride Extended-release Capsules (Once-a-Day Dosage) are indicated for the management of chronic stable angina and angina due to coronary artery spasm.
Source: FDA labeling via NIH DailyMed (set bad984eb…). Not affiliated with FDA or NIH.
Medical disclaimer: Always consult a qualified healthcare professional about any medication.