Prescription requiredAntihypertensive

Sartel-20 Tab — Side Effects & Warnings

Known side effects of Sartel-20 Tab include Dizziness, headache, fatigue, back pain, diarrhea, nausea, low blood pressure, increased potassium (hyperkalemia), raised creatinine. Not everyone experiences these side effects.

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

Common Side Effects

Dizziness
headache
fatigue
back pain
diarrhea
nausea
low blood pressure
increased potassium (hyperkalemia)
raised creatinine

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

Important Warnings

May cause dizziness especially after the first dose—avoid driving if affected. Use with caution in kidney or liver disease, dehydration, low blood pressure, or heart failure. Monitor blood pressure, kidney function and serum potassium. Not recommended in pregnancy (may harm the unborn baby), especially in 2nd/3rd trimester. Use caution if history of angioedema. Avoid potassium supplements/salt substitutes unless prescribed.

Drug Interactions

Sartel-20 Tab may interact with the following:

Potassium supplements or potassium-sparing diuretics (e.g.
spironolactone
amiloride)
ACE inhibitors or aliskiren (higher risk of kidney impairment/hyperkalemia; contraindicated with aliskiren in diabetes)
NSAIDs (e.g.
ibuprofen
diclofenac) may reduce effect and worsen kidney function
lithium (increased lithium levels/toxicity)
diuretics/alcohol (additive low blood pressure)

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 (may increase dizziness/low blood pressure)

Habit Forming

Storage

Store below 30°C in a dry place, protected from light and moisture. Keep in original blister pack and out of reach of children.

Sartel-20 Tab — Safety Summary

Composition: Telmisartan (20mg)
Prescription: Required (Rx)
Pregnancy: Not recommended (especially 2nd/3rd trimester); consult doctor
Alcohol: Use with caution (may increase dizziness/low blood pressure)
Habit forming: No

Sartel-20 Tab — 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.