Prescription requiredAntihypertensive, Antianginal

Atenova 25 — Side Effects & Warnings

Known side effects of Atenova 25 include Bradycardia (slow pulse),fatigue,dizziness,cold hands/feet,low blood pressure,nausea,headache,sleep disturbances. Not everyone experiences these side effects.

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

Common Side Effects

Bradycardia (slow pulse)
fatigue
dizziness
cold hands/feet
low blood pressure
nausea
headache
sleep disturbances

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

Important Warnings

Use with caution in diabetes (may mask hypoglycaemia symptoms), asthma/COPD (may cause bronchospasm), peripheral vascular disease, and in patients with conduction disorders (AV block) or bradycardia. Do not stop abruptly due to risk of rebound hypertension/angina. Dose adjustment may be required in renal impairment. Monitor blood pressure and pulse regularly.

Drug Interactions

Atenova 25 may interact with the following:

Calcium channel blockers (verapamil
diltiazem)
digoxin
antiarrhythmics (amiodarone)
clonidine (withdrawal interaction)
other antihypertensives/diuretics
NSAIDs (may reduce BP-lowering effect)
insulin and oral antidiabetics (mask hypoglycaemia)
sympathomimetics (e.g.
salbutamol)

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 at room temperature (below 25°C), protected from moisture and light. Keep out of reach of children.

Atenova 25 — Safety Summary

Composition: Atenolol (25mg)
Prescription: Required (Rx)
Pregnancy: Use with caution / Consult doctor
Alcohol: Use with caution (may increase dizziness and low blood pressure)
Habit forming: No

Atenova 25 — 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.