Suresh Menon Suresh Menon Asked 4 months ago

Can fever cause tachycardia?

My father, who has some heart issues, often experiences a very fast heart rate when he runs a fever. The doctor called it 'tachycardia'. Is it common for fever to cause tachycardia, especially in older patients?

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8 answers

Vijay Laxmi Vijay Laxmi Joined May 2026 4 months ago
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Yes, tachycardia—which is just a fancy medical name for a fast heart rate—is very common with fever. Your body is working double-time to fight off the infection, which makes your heart pump faster. Keep drinking warm water and rest, it usually settles down.

Gopalakrishnan Nair Gopalakrishnan Nair Joined Mar 2026 4 months ago

When the body gets hot with fever, the heart naturally beats faster to cool things down. In our days, we used to drink warm tulsi-ginger water and lie down in a quiet room. Rest is the best medicine, but if the chest feels very heavy, please see a doctor immediately.

Kasturi Bai Kasturi Bai Joined Apr 2026 4 months ago

The heat of the fever definitely speeds up the heartbeat. Drinking cool coconut water or barley water can help soothe the body's internal heat. However, if you feel any chest pain, breathlessness, or dizziness, go to the hospital immediately.

Nisha Roy Nisha Roy Joined Jun 2026 4 months ago

Oh absolutely! It's so scary when your heart starts hammering while you're just resting in bed with a fever. But don't worry, it is a very normal response to high temperature. Just try to keep yourself cool with a wet cloth on your forehead.

Deepika Reddy Deepika Reddy Joined Feb 2026 4 months ago

With hormonal issues like PCOS, our bodies can sometimes react strongly to stress, and a fever definitely causes a rapid heart rate. It's a common response, but please monitor it carefully. If you feel too uncomfortable, a quick call to your doctor is always safest.

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Rohan Deshmukh Rohan Deshmukh Joined Feb 2026 4 months ago

Yes, clinically, every 1-degree rise in Celsius spikes your heart rate by about 10-15 beats per minute. If you are working through a fever, stop immediately and rest. Hydrate well and if it stays high even after the fever drops, get a professional checkup.

Swami Sharan Swami Sharan Joined Mar 2026 4 months ago

Yes, the body is a beautiful system and when it raises its temperature to heal, the heart beats faster to support it. Stay positive, keep your mind calm, and allow your body the time it needs to recover. Take care of yourself.

Vikram Rathore Vikram Rathore Joined Feb 2026 4 months ago

I have experienced this multiple times during viral fevers; my heart rate easily goes up to 110-120 bpm. The key is hydration because dehydration makes tachycardia worse. Drink ORS, take your paracetamol on time, and don't panic.

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