Prescription requiredAntihypertensive, Antianginal, Heart failure therapy

Concor 10 Tablet — Side Effects & Warnings

Known side effects of Concor 10 Tablet include Bradycardia (slow heart rate), dizziness, fatigue, headache, cold hands/feet, nausea, diarrhea, sleep disturbances, shortness of breath. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated July 2026

Common Side Effects

Bradycardia (slow heart rate)
dizziness
fatigue
headache
cold hands/feet
nausea
diarrhea
sleep disturbances
shortness of breath

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Do not stop abruptly (may worsen angina/heart attack risk). Use with caution in asthma/COPD, diabetes (may mask hypoglycemia symptoms), thyroid disorders, peripheral vascular disease, and in patients with bradycardia, heart block, or severe hypotension. In heart failure, dose titration is required and monitoring of pulse/BP is important. Seek medical help for wheezing, fainting, very slow pulse, or swelling/weight gain.

Drug Interactions

Concor 10 Tablet may interact with the following:

Verapamil
diltiazem
amiodarone or other antiarrhythmics (risk of bradycardia/heart block)
digoxin (increased bradycardia risk)
clonidine (rebound hypertension if stopped improperly)
other antihypertensives/diuretics (additive BP lowering)
NSAIDs (may reduce antihypertensive effect)
insulin/oral antidiabetics (masked hypoglycemia)
anesthetic agents

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Use with caution / Consult doctor

Alcohol Interaction

Use with caution (may increase dizziness and low blood pressure)

Habit Forming

Storage

Store below 25°C in a cool, dry place. Protect from light and moisture. Keep out of reach of children.

Concor 10 Tablet — Safety Summary

Composition: Bisoprolol (10mg)
Prescription: Required (Rx)
Pregnancy: Use with caution / Consult doctor
Alcohol: Use with caution (may increase dizziness and low blood pressure)
Habit forming: No

Concor 10 Tablet — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.