Prescription requiredAntihypertensive, Antianginal, Heart failure therapy

Seloken XL 100 Tablet — Side Effects & Warnings

Known side effects of Seloken XL 100 Tablet include tiredness, dizziness, slow heart rate (bradycardia), low blood pressure, headache, nausea, cold hands/feet, sleep disturbances. Not everyone experiences these side effects.

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

Common Side Effects

tiredness
dizziness
slow heart rate (bradycardia)
low blood pressure
headache
nausea
cold hands/feet
sleep disturbances

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

Important Warnings

Do not stop abruptly (risk of worsening angina/heart attack). Use with caution in asthma/COPD (may worsen bronchospasm), diabetes (may mask low sugar symptoms), thyroid disorders (may mask hyperthyroid symptoms), peripheral vascular disease, liver impairment, and in patients with slow pulse/heart block/heart failure not stabilized. Monitor blood pressure and pulse. Seek urgent care for fainting, very slow pulse, wheezing, or swelling/shortness of breath.

Drug Interactions

Seloken XL 100 Tablet may interact with the following:

Other antihypertensives (additive BP lowering)
verapamil/diltiazem
digoxin (risk of bradycardia/heart block)
amiodarone/antiarrhythmics
clonidine (rebound hypertension if stopped improperly)
insulin/oral antidiabetics (masked hypoglycemia)
NSAIDs (may reduce BP-lowering effect)
CYP2D6 inhibitors such as fluoxetine/paroxetine/quinidine (may increase metoprolol levels)
alcohol (may increase dizziness)

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

Pregnancy Safety

Use with caution / Consult doctor (may affect fetal growth; use only if clearly needed)

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 moisture and direct light. Keep out of reach of children.

Seloken XL 100 Tablet — Safety Summary

Composition: Metoprolol Succinate (95mg)
Prescription: Required (Rx)
Pregnancy: Use with caution / Consult doctor (may affect fetal growth; use only if clearly needed)
Alcohol: Use with caution (may increase dizziness and low blood pressure)
Habit forming: No

Seloken XL 100 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.