<s>[INST]Regarding Gall bladder: My father is 53 years old. He had got a gallbladder stone 5 years back. Was cured by medicines. And now just 15 days back , he was reported that there were 4 small size stones in gall bladder. Is it advisable to go for a surgery or better to reduce it through medicines. Will there be any side effects for the surgery, And also please can u suggest the food habbits that need to be follwed in order to avoid the formation of stones.[/INST]Hi and welcome to Chat Doctor. Thank you for your query. I am Chat Doctor, I understand your concerns and I will try to help you as much as I can. Your symptoms may be suggestive of gallbladder stones, so you should do at least ultrasound or CT scan to evaluate it more accurately. This is caused by stone in bile duct and is very common condition.  Stones are seen more commonly in obese people and those with diabetes. You need to change your dietary habits first.  Need to avoid fried food, carbonated Chat Doctor.  You should eat more milk products, vegetables and boiled food. If there is no improvement on lifestyle or dietary changes, then surgery is recommended. I hope I have answered you query. If you have any further questions you can contact us in every time. Kindly regards. Wish you a good health.</s>