Diltiazem CD Side Effects
Common and serious side effects of Diltiazem CD (Diltiazem hydrochloride extended-release) — what to expect and how to manage them.
Common Side Effects
- Dizziness or lightheadedness
- Fatigue or tiredness
- Headache
- Nausea
- Low blood pressure (hypotension)
- Swelling of ankles/feet
Serious Side Effects
Seek immediate care if severe- Severe hypotension
- Electrolyte imbalances
- Kidney function changes
- Irregular heartbeat (arrhythmia)
- Allergic reactions
Managing Side Effects
- Rise slowly from sitting/lying to avoid dizziness
- Monitor blood pressure regularly at home
- Report sudden weight gain (fluid retention)
- Never stop abruptly — always taper with doctor guidance
What Your Doctor May Monitor
Blood pressureHeart rateKidney function (creatinine)Electrolytes (potassium, sodium)
Diltiazem CD Cash Price
Diltiazem CD cash prices start from $30 when pharmacies compete on Script Unlock — up to 40% below retail. No insurance required.
Compare Diltiazem CD PricesMedical Disclaimer: This information is for educational reference only. Side effects vary by individual, dose, and other medications. Always consult your healthcare provider for personalized medical advice. Do not stop or change your medication without medical guidance.