Common "Fasting" queries answered by top doctors | iCliniq

Fasting

Fasting is a state of being refrained from eating food and drinking fluids willingly. Fasting helps in weight loss and improves overall fitness. It boosts cognitive performance and decreases the risk of developing metabolic diseases in the body. It decreases the development of obesity and other chronic diseases. It is good to follow short fast periods of 8 to 24 hours. Long fast periods increase the risk of developing problems due to fasting.

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

My one kidney is removed. Can I fast?

Query: Hi doctor, Eight months back, I was detected with kidney tumor and immediately had an operation. In that operation, one kidney was removed. My health has slowly improved and now doctors say that I am fine. I want to know, this year after eight months, can I fast during the month of ramzan? Is it adv...  Read Full »


Dr. Vivekanandan Govindasamy

Answer: Hello, Welcome to icliniq.com. I would strongly advice you against fasting for ramzan. This is because, dehydration is not good for solitary kidney and you can end up landing in trouble. So, it is better if you avoid fasting hereafter.  Read Full »

Is it normal to have abdominal pain and feel tired if you eat late?

Query: Hi doctor,I would like to know some guidance regarding my medical issue which troubles me for six years. Normally, I use to take lunch around 2 pm. If it gets delayed, I start to have tiredness with abdominal pain. It continues for few days. I start to have locking pain while taking deep breathing w...  Read Full »


Dr. Ajeet Kumar

Answer: Hi, Welcome to icliniq.com. I understand your anxiety and frustration related to your recurrent abdominal pain. The abdomen is a huge compartment comprising various tightly fitting organs including the stomach, pancreas, gall bladder, spleen, liver, and many other tissues. Abdominal pain can occur...  Read Full »

I have been dealing with mucus discharge from my anus. Please help.

Query: Hello doctor, I have been dealing with mucus discharge from my anus. I regularly shower and exercise but refuse to go to social gatherings due to the embarrassment of this condition. I eat a very healthy diet to combat this issue. I start my day with a smoothie that consists of kale, spinach, avoca...  Read Full »


Dr. Vandana Andrews

Answer: Hello, Welcome to icliniq.com. I can understand your concern. The intestinal mucosa secretes mucus to help the stools move easily. This mucus flow may frequently be caused by intestinal inflammation. It can indicate an infection if it comes with an abdominal colic. You should not be concerned if ...  Read Full »

Are migrating motor complex and fasting with IBS related?

Query: Hello doctor, Will fasting help with irritable bowel syndrome? Why fasting may help IBS? Why fasting may not help IBS? What is migrating motor complex, and how is it related to fasting with IBS?  Read Full »


Dr. Babu. T. G

Answer: Hello, Welcome to icliniq.com. Fasting is not better for IBS (irritable bowel syndrome). Fasting in IBS causes hypoglycemia, and further causes giddiness, so it cannot favor IBS. MMC (mucosal mast cell) is associated with IBS with autonomous dysfunction. Factors that reduce the IBS are stress redu...  Read Full »

Does drinking alcohol after fasting result in burping up brownish acid?

Query: Hi doctor,I am a 39-year-old male with acid reflux. I am taking Phentermine 37.5 mg for weight loss. On Wednesday, I ended up getting my COVID vaccine. The next day, I had a fever (took two medicine for fever that day) and returned to normal on Friday. Then yesterday (Saturday), I fasted all day and...  Read Full »


Dr. Ajeet Kumar

Answer: Hello, Welcome to icliniq.com. Alcohol is the cause of gastritis, inflammation of the stomach lining. And it can cause nausea, vomiting, pain, and sometimes blood as well. Taking alcohol on an empty stomach has more of these above-mentioned symptoms than taking on a full stomach or fed stomach. I...  Read Full »

Can delirium be caused by fasting and lack of sleep?

Query: Hello doctor,Can delirium be caused by fasting and lack of sleep? My 25-year-old daughter is delirious. She does not know who she is, thinks she is in a coma, etc. The hospital ran blood and urine tests and a CAT scan, and all were normal. No new medications. I thought it had to be something physica...  Read Full »


Dr. Amit Jauhari

Answer: Hi, Welcome to icliniq.com. The answer to your query is yes. Prolonged fasting and no sleep can cause mental and physical symptoms similar to mania or delirium or coma. It would have been helpful if serum electrolytes, catecholamine levels, and urea levels were recorded or mentioned because BP is ...  Read Full »

What are the ill effects of prolonged fasting?

Query: Hi doctor, I am 21 years old. Because before I was fasting for a long time (two or three years) like having breakfast and lunch afterward nothing else until the next day, because I was so depressed about my overweight condition and I did not have someone close to me to explain how to make a diet....  Read Full »


Dr. Ajeet Kumar

Answer: Hello, Welcome to icliniq.com. Well, to answer your question, there are some lab tests which could give us an idea of the damage it has caused to your overall health but not necessarily to your stomach. Few more clinical parameters to detect the effects of prolonged fasting habits are weight and...  Read Full »

Is it safe to fast if I have type 1 diabetes?

Query: Hello doctor, I have diabetes type 1. My age is 18 years and I am taking Mixtard insulin twice a day. In the morning, I inject 14 units and in the evening I inject 6 units. I want to fast for religious purposes. Can I?  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. The patients with type 1 diabetes are advised not to fast. However, if you are healthy and having a good blood sugar control, then you can reverse the dose of insulin as in, take the night dose in the morning and morning dose at night and fast. Be prepared for breaking...  Read Full »

Can fasting cause atrial fibrillation?

Query: Hello doctor, I have read several studies on the effect of autophagy on aterial fibrilation. I cannot understand most of the conclusions and need some help with this. I basically follow a regime where I eat every other day and fast at least 24 to 30 hours at a time. As I believe, autophagy is activ...  Read Full »


Dr. Sagar Ramesh Makode

Answer: Hello, Welcome to icliniq.com. Firstly, there is no good evidence for or against this rigorous fasting. Studies atleast have shown no significant increase in atrial fibrillation with such fasting. Practically, we do not have good evidence for it. Now if we consider theoretically, then yes fasting ...  Read Full »

What should I do to control my weight with hyperthyroidism?

Query: Hi, I am a hyperthyroidism patient. My weight was 143 lbs when I was normal. And then my weight is suddenly decreased and it was 114 lbs, and I knew that I have hyperthyroid, so treatment was start from last year and now my current weight is 161 lbs, can you help me how can I control weight now? I a...  Read Full »


Dr. Zulfiqar Ahmed

Answer: Hi Welcome to iCliniq.com. First of all you need to control your thyroid function so that the thyroid hormone levels should be stable. When the thyroid hormone levels increase you will lose weight. I don’t know why you are taking Inderal (Propranolol)? It is given initially to control symptoms b...  Read Full »

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