Follow all directions on your prescription label. Your doctor may occasionally change your dose. Do not take  Univasc in larger or smaller amounts or for longer than recommended.
Univasc is usually taken 1 hour before meals.
Call your doctor if you have ongoing vomiting or diarrhea, or if you are sweating more than usual. You can easily become dehydrated while taking Univasc. This can lead to very low blood pressure, electrolyte disorders, or kidney failure.
While using Univasc, you may need frequent blood tests at your doctor's office. Your blood pressure will need to be checked often.
If you need surgery, tell the surgeon ahead of time that you are using Univasc. You may need to stop using the medicine for a short time.
If you are being treated for high blood pressure, keep using this medication even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.
Store at room temperature away from moisture and heat.
 Detailed Univasc dosage information
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
