Can high blood sugar cause heart palpitations?
Emily Sparks
Published Jan 24, 2026
Foods High in Carbohydrates and Sugar
Can high blood sugar cause irregular heartbeat?
Scientists have identified a biological pathway—activated by abnormally high blood sugar levels—that causes irregular heartbeats. This condition is known as cardiac arrhythmia and is linked with heart failure and sudden cardiac death.
Do diabetics get heart palpitations?
“When a patient with diabetes has symptoms like heart palpitations, clinicians should have a higher level of suspicion that the reason could be atrial fibrillation.
Can you get palpitations from too much sugar?
Some people have palpitations after heavy meals rich in carbohydrates, sugar, or fat. Sometimes, eating foods with a lot of monosodium glutamate (MSG), nitrates, or sodium can bring them on, too. If you have heart palpitations after eating certain foods, it could be due to food sensitivity.
Why does sugar make my heart palpitate?
Consuming lots of sugar can cause the body to release the hormone epinephrine, or adrenaline, which increases heart rate.
31 related questions foundWhat does it feel like when your blood sugar is too high?
be very thirsty or hungry. feel drowsy or tired. have blurred vision. feel their mouth is dry.
How do you calm heart palpitations?
If you think you're having an attack, try these to get your heartbeat back to normal:
- Breathe deeply. It will help you relax until your palpitations pass.
- Splash your face with cold water. It stimulates a nerve that controls your heart rate.
- Don't panic. Stress and anxiety will make your palpitations worse.
Can low blood sugar cause palpitations?
Insufficient blood sugar levels can cause a rapid heartbeat and heart palpitations. However, even if you have diabetes, you may not always have obvious symptoms of low blood sugar. This is a potentially dangerous condition called hypoglycemia unawareness.
What foods stop heart palpitations?
If you are experiencing worrying heart palpitations, it's a good idea to avoid foods that cause palpitations. Some of the most common foods that lead to palpitations include: Caffeine. Alcohol.
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Some dietary supplements can cause heart palpitations, such as:
- Bitter orange.
- Ginseng.
- Ephedra.
- Valerian.
- Hawthorn.
How do you lower your blood sugar immediately?
When your blood sugar level gets too high — known as hyperglycemia or high blood glucose — the quickest way to reduce it is to take fast-acting insulin. Exercising is another fast, effective way to lower blood sugar.
Why do my heart palpitations come and go?
Stress, exercise, medication or, rarely, a medical condition can trigger them. Although heart palpitations can be worrisome, they're usually harmless. Rarely, heart palpitations can be a symptom of a more serious heart condition, such as an irregular heartbeat (arrhythmia), that might require treatment.
Is water good for heart palpitations?
Drink enough water
That can increase your pulse rate and potentially lead to palpitations. If you feel your pulse climb, reach for a glass of water. If you notice your urine is dark yellow, drink more fluids to prevent palpitations.
What is the difference between heart palpitations and arrhythmia?
A heart that beats irregularly, too fast or too slow is experiencing an arrhythmia. A palpitation is a short-lived feeling like a feeling of a heart racing or of a short-lived arrhythmia. Palpitations may be caused by emotional stress, physical activity or consuming caffeine or nicotine.
Can dehydration cause palpitations?
Can dehydration cause heart palpitations? Yes. For the same reason dehydration can cause low blood pressure, it can also cause heart palpitations. Palpitations are the feeling of a pounding, fast-beating or fluttering heart.
How do I stop heart palpitations when lying down?
You can lower your risk of heart palpitations at night by eating right, avoiding alcohol and nicotine, and staying away from caffeine before bed. Try yoga and meditation to reduce stress and help you relax. Get help right away if heart palpitations happen along with chest pain, dizziness or shortness of breath.
Why is heart palpitations worse at night?
Heart palpitations may also be more noticeable at night because there are fewer distractions and lower noise levels when lying in bed.
When should I be worried about heart palpitations?
Heart Palpitations occur for many reasons. You should contact your doctor if you experience heart palpitations frequently, for longer than a few seconds, or if they are accompanied by dizziness, loss of consciousness, chest or upper body pain, nausea, excessive or unusual sweating, and shortness of breath.
What are the 10 signs of high blood sugar?
Early signs and symptoms of diabetes
- Frequent urination. When your blood sugar is high, your kidneys expel the excess blood sugar, causing you to urinate more frequently. ...
- Increased thirst. ...
- Fatigue. ...
- Blurred vision. ...
- Increased hunger. ...
- Unexplained weight loss. ...
- Slow healing cuts and wounds. ...
- Tingling or numbness in the hands or feet.
What are the 9 signs and symptoms of high blood sugar?
Early signs and symptoms
- Frequent urination. ...
- Increased thirst. ...
- Always feeling hungry. ...
- Feeling very tired. ...
- Blurry vision. ...
- Slow healing of cuts and wounds. ...
- Tingling, numbness, or pain in the hands or feet. ...
- Patches of dark skin.
What drink lowers blood sugar?
When participants in the study drank one cup of chamomile tea after meals three times per day for six weeks, they showed a reduction in blood sugar levels, insulin, and insulin resistance.
What foods cause heart palpitations?
What foods can cause heart palpitations after eating?
- High-carbohydrate foods, which can spike blood sugar levels, particularly if you have low blood sugar (hypoglycemia).
- High-sodium foods, such as processed or canned foods.
- High-sugar foods, especially if you have hypoglycemia.
How long is too long for heart palpitations?
Ventricular tachycardia is a very rapid, but regular heartbeat of 100 beats or more a minute occurring in the lower chambers (ventricles) of the heart. Sustained heart palpitations lasting more than 30 seconds are considered a medical emergency.
Is it normal to have palpitations every day?
Most of the time, heart palpitations are harmless and go away on their own. In some cases, however, there may be a medical reason behind them, called an arrhythmia (abnormal heart rhythm). Even though they are common, heart palpitations can make you feel anxious and scared.
Which sleep position is best for your heart?
Similarly, sleeping on your left side, specifically, could help the flow of blood to your heart. When your heart pumps blood out to your body, it gets circulated and then flows back to your heart on the right side, Winter explains.
Is coffee good for palpitations?
Reduce or eliminate beverages that contain caffeine such as coffee or soda to avoid palpitations. Consuming large quantities of chocolate has been linked to heart palpitations. Chocolate provides the same stimulants as caffeine and can trigger abnormal heart rhythms.