Prescription requiredAntihypertensive

Telmodor M 40/50 — Side Effects & Warnings

Known side effects of Telmodor M 40/50 include dizziness, fatigue, low blood pressure, slow heart rate, headache, nausea, diarrhea, cold hands/feet. Not everyone experiences these side effects.

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

Common Side Effects

dizziness
fatigue
low blood pressure
slow heart rate
headache
nausea
diarrhea
cold hands/feet

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

Important Warnings

May cause dizziness/low blood pressure—use caution while driving. Do not stop metoprolol abruptly (risk of worsening angina/heart rhythm issues). Use with caution in asthma/COPD, diabetes (may mask low sugar symptoms), thyroid disorders, bradycardia, heart block, heart failure, kidney or liver disease. Telmisartan can increase potassium—avoid potassium supplements/salt substitutes unless advised. Monitor BP, pulse, kidney function and electrolytes. Seek urgent help for fainting, very slow pulse, breathing difficulty, swelling of face/lips (allergy).

Drug Interactions

Telmodor M 40/50 may interact with the following:

ACE inhibitors or aliskiren (in diabetes/renal impairment)
potassium supplements/potassium-sparing diuretics (spironolactone/amiloride)
NSAIDs (ibuprofen/diclofenac) may reduce effect and harm kidneys
lithium (toxicity)
other antihypertensives/diuretics (additive low BP)
digoxin
verapamil/diltiazem/amiodarone (excess bradycardia/heart block)
clonidine (withdrawal issues)
insulin/oral antidiabetics (altered glucose response)

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

Pregnancy Safety

Not recommended (especially 2nd/3rd trimester); consult doctor

Alcohol Interaction

Use with caution; alcohol may increase dizziness and low blood pressure

Habit Forming

Storage

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

Telmodor M 40/50 — Safety Summary

Composition: Telmisartan (40mg) + Metoprolol Succinate (25mg)
Prescription: Required (Rx)
Pregnancy: Not recommended (especially 2nd/3rd trimester); consult doctor
Alcohol: Use with caution; alcohol may increase dizziness and low blood pressure
Habit forming: No

Telmodor M 40/50 — 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.