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Composition for CALBETA

Atenolol(50 mg),Nifedipine(20 mg)

food interaction for CALBETA

alcohol interaction for CALBETA

pregnancy interaction for CALBETA

lactation interaction for CALBETA

There is no data available. Please consult doctor before consuming the drug.
Atenolol and alcohol may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate.
Calbeta 50mg/20mg capsule is unsafe to use during pregnancy.
There is positive evidence of human fetal risk, but the benefits from use in pregnant women may be acceptable despite the risk, for example in life-threatening situations. Please consult your doctor.
Calbeta 50mg/20mg capsule is probably unsafe to use during breastfeeding. Please consult your doctor.


Atenolol(50 mg)


Atenolol is used to control high blood pressure (hypertension), prevent chest pain (angina), treat uneven heart beats (arrhythmias) and in the early treatment following a heart attack (myocardial infarction).

How it works

Atenolol belongs to class of medications called beta blockers. It acts by blocking receptors (beta-1 adrenergic receptor) in the heart and peripheral blood vessels resulting in slowing of heart rate and relaxing of blood vessels thereby lowering blood pressure. Atenolol reduces oxygen requirement at any level of activity making it useful for long-term management of heart attacks caused by restricted blood flow to the heart. 

Common side effects

Drowsiness, Central nervous system depression, Cough, Shortness of breath, Dizziness, Fainting, Fatigue, Limb swelling, Weight gain, Nausea, Diarrhoea
Nifedipine(20 mg)


Nifedipine is used to treat high blood pressure and to control angina ( chest pain).

How it works

Nifedipine belongs to a category of drugs called as calcium channel blockers. It acts by widening the blood vessels to allow easy blood flow, which lowers the blood pressure and reduces chest pain.

Common side effects

Nausea, Allergic reaction, Swelling of tongue, Ankle swelling, Limb swelling, Chest pain, Constipation, Cough, Decreased sexual function, Dizziness, Difficulty in swalloing, Shortness of breath, Eye swelling, Facial swelling, Lip swelling, Fainting, Headache, Heartburn, Muscle cramp, Skin rash, Tachycardia, Yellow discoloration of skin, Yellow discoloration of eye


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Expert advice for CALBETA

  • Do not drive or operate heavy machinery if you feel dizzy or tired while taking atenolol.
  • Do not take double the dose to compensate for a forgotten dose. If you forget to take a dose of atenolol tablet, take it as soon as you remember, unless it is time for your next dose.
  • Consult your doctor if you experience slow pulse ,dizziness , confusion , depression and fever.
  • Do not stop taking atenolol abruptly. Cessation should be done gradually over 7-14 days along with patient monitoring.
  • This drug may cause increased sensitivity to cold.
  • Monitor blood glucose level carefully. This drug may alter the blood glucose levels. 
  • Avoid sudden position changes to prevent hypotension.
  • Do consult your doctor before taking atenolol, if you are pregnant or planning to have a baby, or are breast-feeding.
  • Avoid or limit consumption of alcohol and smoking when taking atenolol.

Frequently asked questions for CALBETA


Q. What is betacard used for?
Betacard is a trade name for active drug atenolol. Atenolol belongs to a class of drugs called beta blockers and is used for its effect on the heart and peripheral blood vessels to lower elevated blood pressure, prevent chest pain, treat uneven heart beats and in the early treatment following a heart attack.
Q. Is atenolol safe?
Yes. Atenolol is safe if used at prescribed doses for the prescribed duration as advised by your doctor.
Q. Is atenolol a diuretic/ blood thinner/ ACE inhibitor/ nitrate?
No. Atenolol is blood pressure lowering medication (beta-blocker) and used to treat few other heart diseases. It has no known effect on increasing the urine output or fluidity of blood. It is not an ACE inhibitor or nitrate.
Q. Is atenolol a narcotic?
No. Atenolol is not a narcotic medicine. It belongs to a class of drugs called beta blockers and is used for its effect on the heart and peripheral blood vessels to lower elevated blood pressure, prevent chest pain, treat uneven heart beats and in the early treatment following a heart attack.
Q. Is atenolol cardioselective/ selective/ non-selective?
Yes. Atenolol selectively blocks receptors called beta-1 adrenergic receptor in the heart and is therefore called a cardio selective drug.


Q. Is nifedipine safe?
Nifedipine is relatively safe if used as recommended. In case of any side-effects, consult your doctor.
Q. Is Nifedipine a nitrate/beta-blocker/ACE inhibitor/tocolytic?
No. Nifedipine is not a nitrate, beta-blocker, or an ACE inhibitor. It is a calcium channel blocker.
Q. What is Calcigard/Nicardia/Dipin used for?
Calcigard, Nicardia, Dipin are examples of a few brands containing nifedipine and used for treating high blood pressure, chest-pain and Reynaud’s phenomenon.
Q. Can I take aspirin/Tylenol/Benadryl/Viagra/ Tums/Sudafed with nifedipine?
Nifedipine can be taken with Tylenol (paracetamol), Sudafed (pseudoephedrine) and Benadryl. Taking Viagra (sildenafil) may increase the blood pressure lowering effect of nifedipine. Taking aspirin may increase the blood pressure. Tums (calcium carbonate) may decrease the effect of nifedipine. Consult your doctor before use.
Q. Does nifedipine cause migraine/constipation/insomnia/bradycardia/cough/weight gain/urination/changes in heart rate?
Nifedipine may cause migraine, constipation, insomnia or bardycardia (slow heart rate). There is no evidence of nifedipine causing cough or weight changes. If you notice such symptoms, please consult your doctor.
Q. Is nifedipine a narcotic or tocolytic?
No. Nifedipine is a non-narcotic/ uncontrolled/nonaddictive drug. Nifedipine is used as tocolytic (to delay preterm birth).


Content on this page was last updated on 02 June, 2015, by Dr. Varun Gupta (MD Pharmacology)