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Atrial fibrillation (AF) is the most common, abnormal rhythm of the heart.
The heart contracts (beats) and pumps blood with a regular rhythm, for example,
at a rate of 60 beats per minute there is a beat every second. The heart may
beat faster or slower with a shorter or longer interval between beats, but at
any one rate the interval between beats is constant. This regular rhythm occurs
as a result of regular electrical discharges (currents) that travel through the
heart and cause the muscle of the heart to contract. In atrial fibrillation, the electrical
discharges are irregular and rapid and, as a result, the heart beats irregularly
and, usually, rapidly.
Atrial fibrillation is common; half a million new cases are diagnosed yearly
in the U.S., and billions of dollars are spent annually on its diagnosis and
treatment.
Normal function of the he...
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Medical Editor: Melissa Conrad Stöppler, MD
Covera HS (verapamil) is an oral drug belonging to the class known as calcium channel blockers (CCBs), which are used for treating and preventing chest pain (angina) resulting from spasm (contraction) of the coronary arteries that reduces the flow of blood to the heart. Covera HS is available in a generic form, Verapamil. Common side effects of Covera HS include dizziness, weakness, or fainting.
Concurrent use of Covera HS with a beta blocker can occasionally cause profound and dangerous heart slowing. Covera HS can raise the levels of some drugs in blood including digoxin (Lanoxin), theophylline (Slo-Bid), and carbamazepine (Tegretol). Safety during pregnancy has not been established. Covera HS crosses the placenta and enters the fetus. Covera HS is known to be excreted in human breast milk.
Our Covera HS Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements and disease and conditions.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
COVERA-HS is indicated for the management of hypertension and angina.
Read the complete drug monograph for Covera-HS »
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
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:
Read the complete patient information for Covera-HS »
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
Verapamil is also used to prevent chest pain (angina). It may help to increase your ability to exercise and decrease how often you may get angina attacks.
OTHER USES: This section contains uses of this drug that are not ...
Read the complete consumer information for Covera-HS »
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Get tips on handling your hypertension.