Blood Pressure Home > Dynacirc CR
- Congestive heart failure (CHF)
- An esophageal stricture or other narrowing of the digestive tract
- Any allergies, including allergies to food, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant (see Dynacirc CR and Pregnancy)
- Breastfeeding (see Dynacirc CR and Breastfeeding).
- Fast heart rate (tachycardia)
- Low blood pressure (hypotension).