"What are beta blockers and how do they work?
Beta blockers, also known as beta-adrenergic blocking agents, are a class of drugs that works by blocking the neurotransmitters norepinephrine and epinephrine from binding to receptors. "...
(betaxolol hydrochloride) Tablets
Kerlone (betaxolol hydrochloride) is a β1-selective (cardioselective) adrenergic receptor blocking agent available as 10-mg and 20-mg tablets for oral administration. Kerlone (betaxolol hydrochloride) is chemically described as 2-propanol, 1-[4-[2-(cyclopropylmethoxy) ethyl] phenoxy]-3-[(1-methylethyl) amino]-, hydrochloride, (±). It has the following chemical structure:
Betaxolol hydrochloride is a water-soluble white crystalline powder with a molecular formula of C18H29NO3·HCl and a molecular weight of 343.9. It is freely soluble in water, ethanol, chloroform, and methanol, and has a pKa of 9.4.
The inactive ingredients are hydroxypropyl methylcellulose, lactose, magnesium stearate, polyethylene glycol 400, microcrystalline cellulose, colloidal silicon dioxide, sodium starch glycolate, and titanium dioxide.
What are the possible side effects of betaxolol (Kerlone)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- slow or uneven heartbeats;
- feeling like you might pass out;
- feeling short of breath, even with mild exertion;
- swelling of your ankles or feet;
- nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
- cold feeling in...
What are the precautions when taking betaxolol hydrochloride (Kerlone)?
See also warning section.
Before taking betaxolol, tell your doctor or pharmacist if you are allergic to it; or to other beta blockers (e.g., atenolol, metoprolol); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain types of irregular heartbeats (e.g., sinus bradycardia, second- or third-degree atrioventricular block), a certain serious heart condition (cardiogenic shock), uncontrolled severe heart failure, a certain type of tumor (untreated pheochromocytoma).
Before taking this drug,...
Last reviewed on RxList: 7/28/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Kerlone Information
Kerlone - User Reviews
Kerlone User Reviews
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