Updated on - 03 Feb 2026
The jamun fruit, also known as Java plum or Indian blackberry, is a seasonal favourite across India. Loved for its tangy-sweet flavour and rich purple hue, this fruit is packed with nutrients such as fibre, vitamin C, antioxidants and iron. However, like all fruits, jamun should be consumed in moderation. Whether you enjoy it for its health benefits or simply as a refreshing monsoon treat, it’s important to understand its possible side effects.
In this blog, look at what happens when you eat jamun daily, who should avoid it and how to include it safely in your diet.
What happens if we eat jamun daily?
Eating jamun every day can offer several health benefits. Its low glycaemic index and bioactive compounds help regulate blood sugar levels, which makes it especially beneficial for people managing diabetes. The fruit’s fibre supports healthy digestion, while its iron and vitamin content boost immunity and overall vitality.
However, excessive consumption of jamun can sometimes cause acidity, nausea or fluctuations in blood sugar. That’s why, alongside a healthy diet, it’s equally important to have a good health insurance policy. In case any unexpected complications or health issues arise, your insurance ensures you get timely medical attention without financial strain.
What are the side effects of jamun?
The following are some jamun fruit side effects:
- Drop in blood sugar: Jamun is known to lower blood sugar levels. People with hypoglycaemia or those taking diabetes medication should monitor their intake carefully.
- Allergic reactions: In rare cases, individuals may develop allergic symptoms such as itching, rashes or swelling after eating jamun.
- Throat irritation: Eating too many raw jamuns may cause a sore or dry throat due to their astringent nature.
- Constipation: Excessive consumption can slow digestion and lead to constipation in some people.
Who should avoid eating jamun regularly?
Certain groups of people should avoid or limit their intake of jamun fruit due to possible health effects. Those with low blood sugar or on diabetes medication should be cautious, as jamun can further reduce glucose levels and cause weakness or dizziness. Similarly, individuals with low blood pressure or taking antihypertensive medicines should limit consumption, since the fruit may slightly lower blood pressure.
People who have a history of kidney stones or consume a high-oxalate diet are also advised to avoid jamun, as its natural compounds might increase oxalate accumulation. Individuals with sensitive digestion or known fruit allergies may experience discomfort, bloating or allergic reactions such as itching and rash.
Pregnant or breastfeeding women should eat jamun only in moderation and seek medical advice before including it in their diet. Those scheduled for surgery or anaesthesia should completely avoid it, as jamun can interfere with blood sugar management during recovery.
How to consume the jamun fruit?
To enjoy eating and avoid jamun side effects, follow these simple tips:
- Eat fresh and ripe jamuns.
- Wash the fruit well before eating.
- Do not eat seeds; they are hard and bitter.
- Eat a small portion (a handful) once a day.
- Avoid eating it on an empty stomach.
- You can also enjoy it as juice, chutney or dried powder.
When to seek medical help for adverse reactions to jamun?
It’s important to seek medical advice if, after consuming jamun, you experience the following issues:
- Palpitation, confusion, sweating and dizziness, particularly if you’re diabetic, as these signal low blood sugar levels.
- Sudden swelling of the face/tongue/lips or breathing issues. This is a potential allergic reaction.
- Mouth sores, irritation and persistent throat pain after eating jamun.
- Bloating, constipation or severe stomach pain beyond a day or two.
- Unusual drop in blood pressure (feeling very faint) or irregular heartbeat.
- Suspicion of stone formation, blood in urine or signs of kidney pain.
Conclusion
Jamun is a seasonal and highly nutritious fruit that provides many advantages, but it also comes with certain side effects. For Indian households, integrating this fruit into a balanced diet is a wise choice, but it's also important to stay prepared for health emergencies. Having good health insurance for family ensures that if any unwanted complication takes place, whether it's from diet or illness, you can seek care without any stress.
If you’re looking for personalised guidance on health insurance, simply fill out the form on this page, and our experts will help you choose the most suitable plan for your needs.
FAQ
1. Can we eat jamun every day?
Yes. You can eat jamun daily, but in moderation (for instance, 100 to 150 grams each day). Also, make sure you have no conflicting health issues.
2. Is it possible for jamun to lower the blood sugar too much?
Yes, particularly in individuals who are on diabetic medications or have naturally low sugar levels. During such cases, jamun might further lower the sugar and cause hypoglycaemia.
3. Can someone with kidney stones avoid jamun entirely?
Not necessary entirely, but yes, they should be mindful. It’s because jamun has compounds, such as oxalates, that can lead to the development of kidney stones if you eat the fruit way too much. That’s why moderation is important.
4. How should jamun be eaten to avoid the side effects?
You should eat ripe jamun and make sure to wash it well before eating. Avoid consuming large quantities and do not eat the fruit on an empty stomach. Don’t rush to drink milk or water immediately after eating it. If you have any health issues, consult your physician.
Disclaimer: The information provided in this blog is for educational and informational purposes only. It is not intended as a substitute for professional advice, diagnosis or treatment. Please consult a certified medical and/or nutrition professional for any questions. Relying on any information provided in this blog is solely at your own risk, and ICICI Lombard is not responsible for any effects or consequences resulting from the use of the information shared.