Prescription requiredAntihypertensive

Newtel 40 — Side Effects & Warnings

Known side effects of Newtel 40 include dizziness, headache, fatigue, back pain, nausea, diarrhoea, low blood pressure. Not everyone experiences these side effects.

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

Common Side Effects

dizziness
headache
fatigue
back pain
nausea
diarrhoea
low blood pressure

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

Important Warnings

Not recommended in pregnancy (especially 2nd/3rd trimester); use with caution in breastfeeding. Caution in kidney impairment, renal artery stenosis, dehydration/low salt, severe liver impairment, and in patients with high potassium. Monitor blood pressure, kidney function and serum potassium; risk of hyperkalaemia and hypotension. Seek help for severe dizziness, fainting, swelling of face/lips, or reduced urination.

Drug Interactions

Newtel 40 may interact with the following:

Potassium supplements/salt substitutes
potassium-sparing diuretics (spironolactone/eplerenone/amiloride)
ACE inhibitors or aliskiren (increased risk of kidney problems/hyperkalaemia; avoid in diabetes with aliskiren)
NSAIDs (reduced effect and kidney risk)
lithium (toxicity risk)
diuretics (additive hypotension)
other antihypertensives

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

Pregnancy Safety

Not recommended

Alcohol Interaction

Use with caution

Habit Forming

Storage

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

Newtel 40 — Safety Summary

Composition: Telmisartan (40mg)
Prescription: Required (Rx)
Pregnancy: Not recommended
Alcohol: Use with caution
Habit forming: No

Newtel 40 — 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.