401474e9_ta_Barbara__CA___Sansum_Clinic_d_risks_of_heart_failure_drugs_Benefits
[Drug or class of drugs] Calcium channel blockers [Risks] Slow heart rate Constipation or diarrhea Dizziness or lightheadedness Flushing or feeling warm [Benefits] 
Help your heart fill with blood more easily.
Risks and Benefits of Medicines for Heart Failure, Special Information in Santa Barbara, CA - Sansum Clinic
Benefits