This medicine may interact with the following medications:

-certain medicines for lung or breathing disease, like albuterol
-certain medicines for blood pressure, heart disease, irregular heartbeat
-certain medicines for depression, like amitriptyline
-cimetidine
-halothane
-nitroglycerin

They need to know if you have any of these conditions:

-diabetes
-heart disease
-liver disease
-lung or breathing disease, like asthma
-an unusual or allergic reaction to labetalol, other beta-blockers, medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Your condition will be monitored carefully while you are receiving this drug.
You may get dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Avoid alcoholic drinks; they can make you more dizzy.
This drug may increase blood sugar. Ask your health care provider if changes in diet or drugs are needed if you have diabetes.

This drug is given in a hospital or clinic. It will not be stored at home.