Antibloc tablets


  • Active Ingredient: Carvedilol
  • 25 mg, 12.5 mg, 6.25 mg
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What is Antibloc?

The active ingredient of Antibloc brand is carvedilol. Carvedilol is a beta-blocker. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). C24H26N2O4 M.W. 406.47 Carvedilol tablets USP are white, elliptical-shaped, film-coated tablets containing 3.125 mg, 6.25 mg, 12.5 mg, or 25 mg of Carvedilol, USP. Inactive ingredients consist of colloidal silicon dioxide, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, polysorbate, povidone, and titanium dioxide. Carvedilol, USP is a white or nearly white, crystalline powder. Slightly soluble in alcohol; practically insoluble in water and in dilute acids. Carvedilol tablets USP meet USP Dissolution Test 2.

Used for

Antibloc is used to treat diseases such as: Angina, Atrial Fibrillation, Heart Failure, High Blood Pressure, Left Ventricular Dysfunction.

Side Effect

Possible side effects of Antibloc include: loose teeth; loss of appetite; fainting; cold sweats; blurred vision; feeling of constant movement of self or surroundings.

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Dictionary Entries near Antibloc

Cite this Entry

“Antibloc.” The Medical Dictionary, Merriam-Webster Inc., Accessed 27 December 2019.

Comments on Antibloc

What made you want to look up Antibloc? Please tell us where you read or heard it (including the quote, if possible).

ВїPara cuГЎles condiciones o enfermedades se prescribe este medicamento?

El Antibloc se usa para tratar la insuficiencia cardГ­aca (un trastorno en el cual el corazГіn no puede bombear la sangre a todas las partes del cuerpo) y la hipertensiГіn. TambiГ©n se usa para tratar a las personas que han tenido un ataque cardГ­aco. El Antibloc se usa a menudo en combinaciГіn con otros medicamentos. El Antibloc se encuentra en una clase de medicamentos llamados bloqueadores beta. Funciona al relajar los vasos sanguГ­neos y la disminuciГіn de la frecuencia cardГ­aca para mejorar el flujo sanguГ­neo y disminuir la presiГіn arterial.

La hipertensiГіn arterial es una condiciГіn comГєn y cuando no se trata, puede causar daГ±os en el cerebro, el corazГіn, los vasos sanguГ­neos, los riГ±ones y otras partes del cuerpo. El daГ±o a estos Гіrganos puede causar enfermedades del corazГіn, un infarto, insuficiencia cardГ­aca, apoplejГ­a, insuficiencia renal, pГ©rdida de la visiГіn y otros problemas. AdemГЎs de tomar medicamentos, hacer cambios de estilo de vida tambiГ©n le ayudarГЎ a controlar su presiГіn arterial. Estos cambios incluyen comer una dieta que sea baja en grasa y sal, mantener un peso saludable, hacer ejercicio al menos 30 minutos casi todos los dГ­as, no fumar y consumir alcohol con moderaciГіn.


This medication contains Antibloc. Do not take Coreg or Coreg CR if you are allergic to Antibloc or any ingredients contained in this drug.

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately.

How to use Antibloc

See also Warning section.

Read the Patient Information Leaflet if available from your pharmacist before you start taking Antibloc and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth with food as directed by your doctor, usually twice daily.

The dosage is based on your medical condition and response to treatment. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully.

Take this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.

For the treatment of high blood pressure, it may take 1 to 2 weeks before you get the full benefit of this drug. It is important to continue taking this medication even if you feel well. Most people with high blood pressure do not feel sick.

Tell your doctor if your condition does not improve or if it worsens (for example, your blood pressure readings remain high or increase, or you have worsening symptoms of heart failure like increased shortness of breath).

FDA warning: Don't stop this drug suddenly

  • Sudden drug stoppage warning: Don’t stop taking this drug without talking to your doctor first. Stopping Antibloc suddenly can cause changes in your heart rhythm, worsened chest pain, or a heart attack. If you will be stopping this drug, your doctor will slowly lower your dosage over one to two weeks to help prevent these effects. If your chest pain or heart problems get worse after stopping this drug, your doctor may have you start taking it again for a short time.
  • Low heart rate warning: Antibloc can decrease your heart rate. If your heart rate drops below 55 beats per minute, your doctor may decrease your dosage of this drug.
  • Low blood pressure warning: Antibloc can cause dangerously low blood pressure, which may cause you to lose consciousness. This risk is highest after your first doses and during dosing increases. To decrease the risk of this happening, take Antibloc with food. Your doctor may start you on a low dosage and slowly increase it.
  • Diabetes warning: Antibloc can cause low blood sugar levels (hypoglycemia) and delay how long it takes your blood sugar levels to return to normal. It may also mask the signs of low blood sugar levels. Use this drug with caution if you have diabetes, especially if you take insulin or other diabetes drugs that can cause low blood sugar.

Antibloc oral tablet is a prescription drug that’s available as the brand-name drug Coreg. It’s also available as a generic drug. Generic drugs usually cost less. In some cases, a generic drug may not be available in every strength or form as a brand-name version.

Antibloc also comes as an extended-release oral capsule.

Antibloc may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

  • tiredness
  • weakness
  • lightheadedness
  • dizziness
  • headache
  • diarrhea
  • nausea
  • vomiting
  • vision changes
  • joint pain
  • difficulty falling asleep or staying asleep
  • cough
  • dry eyes
  • numbness, burning, or tingling in the arms or legs


Absolute contraindications for the use of Antibloc include severe hypotension, second or third-degree AV block, sick sinus syndrome, and severe bradycardia in the absence of a functional pacemaker, severe decompensated heart failure requiring inotropic support, and a history of a serious hypersensitivity reaction. Clinicians should use caution in a patient with a history of asthma or reactive airway disease and should avoid use in patients with active wheezing due to beta-blocking properties.

Is Antibloc safe to take if I'm pregnant or breastfeeding?

  • Safe use of Antibloc during pregnancy has not been established.
  • No studies with Antibloc are available in nursing mothers; however, use is not recommended due to the risk of a slow heart rate in the infant.

What are the uses for Antibloc?

  • Antibloc is a diuretic or "water pill" used to control high blood pressure (hypertension). In addition to treating high blood pressure, carvedolil is prescribed to treat:
  • Antibloc may be used in combination with other drugs to manage mild or moderate congestive heart failure. When it is combined with other treatments for heart disease among patients with recent heart attacks, Antibloc can reduce the risk of a second heart attack by 40% and increase survival among patients with congestive heart failure.
  • Antibloc is also used for treating angina (chest pain from heart disease).

Calcium channel blockers

If you take a calcium channel blocker with Antibloc, your doctor will monitor your blood pressure and heart rhythm. Examples of these drugs include:

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