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GENERIC NAME:LABETALOL - ORAL (luh-BET-uh-lol) BRAND NAMES: Normodyne, Trandate DRUG CLASS AND MECHANISM: Labetalol is a drug that is used for treating high blood pressure. Nerves from the adrenergic nervous system travel from the spinal cord to arteries where they release norepinephrine. Norepinephrine attaches to adrenergic receptors on arteries and causes the arteries to contract, narrowing the arteries, and increasing blood pressure. Labetalol blocks receptors of the adrenergic nervous system. When labetalol attaches to and blocks the receptors, arteries expand, resulting in a fall in blood pressure. GENERIC AVAILABLE: Yes PRESCRIPTION: Yes PREPARATION: Tablets: of 100, 200 and 300 mg; Injection: 5 mg/ml STORAGE: Tablets should …show more content…

If combined with adrenergic stimulating drugs used for treating asthma, ex. albuterol the adrenergic blocking effects of labetalol may counteract the effects of the stimulating drugs and reduce their effectiveness for treating asthmatic attacks. More of the adrenergic drug may be needed. SIDE EFFECTS: The most common side effects of labetalol are fatigue, dizziness, nausea, headache, diarrhea, edema (fluid accumulation), and shortness of breath. Postural hypotension (a rapid decrease in blood pressure when going from the lying or seated position to the standing position that may cause light-headedness or fainting) occurs rarely. Patients should be observed for this possible side effect within two to four hours of the first labetalol dose and after any changes in dose. Sexual dysfunction, abnormal heart rhythm, slow heart rate, liver failure, and allergic reactions may occur. GENERIC NAME: Symptoms of a Labetalol Overdose: When someone takes too much labetalol, the symptoms can vary. Some examples of labetalol overdose signs and symptoms include: Difficulty breathing, Wheezing,Extremely low blood pressure, which may cause lightheadedness, dizziness, or fainting, Severe decrease in heart rate (bradycardia),Seizures, Congestive heart failure. Treatment for an Overdose With Labetalol: If the overdose with labetalol was recent, the healthcare provider may administer certain medicines or place a tube into the stomach to "pump the stomach." However,

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