Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Labetalol oral is taken by mouth.
Labetalol injection is given as an infusion into a vein when hypertension is severe. A healthcare provider will give you this injection.
After receiving a labetalol injection, you may need to remain lying down for up to 3 hours. You may feel light-headed when you first stand up.
Your blood pressure will need to be checked often, and you may need other medical tests.
Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medicine for the rest of your life.
Using labetalol can make it harder for you to tell when your blood sugar is low. If you have diabetes, check your blood sugar regularly.
Labetalol can cause false results with certain lab tests of the urine. This medicine also may affect a drug-screening urine test and you may have false results. Tell the laboratory staff that you use labetalol.
If you need surgery, tell the surgeon ahead of time that you are using labetalol.
You should not stop using labetalol suddenly. Stopping suddenly may make your condition worse.
Store at room temperature away from moisture and heat.
 Detailed Labetalol dosage information
What happens if I miss a dose?
Labetalol oral: Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
Because you will receive labetalol injection in a clinical setting, you are not likely to miss a dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include slow heart rate, wheezing, chest tightness, trouble breathing, extreme dizziness, seizure, or fainting.
