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Tiazac Side Effects Center
Medically reviewed by Min Clinic Staff | Updated: January 2026
- Generic Name: diltiazem hcl
- Brand Name: Tiazac
Tiazac (Diltiazem Hcl) side effects drug center
Tiazac Side Effects Center
What Is Tiazac?
Tiazac (diltiazem hydrochloride) is a calcium channel blocker used to treat hypertension (high blood pressure), angina (chest pain), and certain heart rhythm disorders. Tiazac is available in generic form.
What Are Side Effects of Tiazac?
Common side effects of Tiazac include:
- dizziness,
- lightheadedness,
- tired feeling,