Common "Underweight" queries answered by top doctors | iCliniq


People with BMI (body mass index) less than 18.5 are called underweight. Genetics, high metabolism, drug abuse, lack of food, bulimia, anorexia nervosa, and chronic illness can make a person underweight.

Recently Answered Questions Recently Answered Questions

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.

I am underweight and eat more than 3000 calories in a day. What should I do?

Query: Hello doctor, I am underweight, eating more than 3000 calories daily, but I am still underweight. What to do?  Read Full »

Dr. Suneetha B S

Answer: Hello, Welcome to To gain weight in a healthy way, you need to build muscle. I advise you to indulge in regular physical activity and a healthy diet pattern. There is really no shortcut to a healthy body. Healthy diet: Do not start eating oily food or junk food to gain weight, becaus...  Read Full »

Please suggest to gain weight as I weighs about 79.37 Ibs.

Query: Hello doctor,I am a 23-year-old male. My height is 5'3" and weighs about 79.37 Ibs. I am weak and my body is very slim and thin. Please help me to gain weight.  Read Full »

Dr. Theresa Gregory

Answer: Hello, Welcome to It would be a good idea to have a complete physical checkup with your family doctor to determine if there are any medical reasons for your slight build and to make sure there are not unknown causes. If you feel that you are weak and want to gain weight and build musc...  Read Full »

I have a condition where I cannot stop throwing up. What should I do?

Query: Hi doctor,My condition remains stable. But I have a feeling of nausea. Recently, I came back from work and went to bed as usual. When I waked up, I started feeling dizzy, and finally, nausea occurred. It has been three days and I still have nausea. What can I do? My blood pressure is fine and it is ...  Read Full »

Dr. Kanitkar Nishant Rajeev

Answer: Hi, Welcome to I understand your concern. You are in premenstrual period currently. So these symptoms occur normally. I suggest you take tablet Omeprazole every morning before breakfast for 30 days. Take tablet Ondem or Emeset 4 mg (Ondansetron) while having nausea. Your BMI (body mas...  Read Full »

My 3-year-old is underweight. Kindly suggest.

Query: Hello doctor,I am a mother of a three-year-old boy. My son is underweight and I wanted to include protein in his diet. He is not taking any non-vegetarian food except eggs. He does not eat the yolk. What should I do? Are there any other healthy foods you can suggest and how important is taking eggs ...  Read Full »

Dr. M. G. Kartheeka

Answer: Hello, Welcome to I have read your query and understand your concern. It's great that you are looking to ensure a healthy diet for your son. For a protein boost, you can include foods like dairy products (milk, yogurt, and cheese), legumes (beans, and lentils), nuts, and seeds in his ...  Read Full »

My 2.9-year-old son, who is still nursing, passes stools after eating or drinking. Why?

Query: Hello doctor, My 3-year-old son frequently passes his stools after eating or drinking; he is still on breast milk. We went to see his pediatrician about this, and he later gave us Zenworm 400 and instructed us to continue taking it after a 15 days break. He suffered from a high fever after taking th...  Read Full »

Dr. Faisal Abdul Karim Malim

Answer: Hello, Welcome to I read your query and can understand your concern. If the child is still passing loose stools, the child must have become dehydrated. If the child is dehydrated, re-assess the child and, if required, get the child admitted. Giving Zenworm (Albendazole 400 mg) is of ...  Read Full »

Can a nutrient-rich diet restore my menstrual cycle?

Query: Hello doctor,I used to walk nearly every day, exceeding 10,000 steps, resulting in significant weight loss and eventually becoming underweight. This led to a deficiency in essential nutrients, causing the loss of my menstrual period for the past three months. However, I have recently increased my fo...  Read Full »

Dr. Harshita Sharma

Answer: Hi, Welcome to I read your query and can understand your concern. Your concern is the absence of menstrual periods for three months following significant weight loss. Being underweight (BMI- body mass index - less than 19.5) induces a state of hibernation in your body, causing a pause i...  Read Full »

My 4-year-old son is not gaining weight. Please help.

Query: Hi doctor,My 4-year-old son recently had episodes of fever and diarrhea, and he did not gain weight properly. I am worried that he is underweight. His height is 3.1 feet, and his weight is 27.7 pounds. How do I make him gain weight steadily, and is it something to be worried about? He is lean and pe...  Read Full »

Dr. Veerabhadrudu Kuncham

Answer: Hello, Welcome to I understand your concern. For promoting healthy weight gain in children, consider incorporating nutrient-rich foods into your son's diet. I suggest you include a variety of food groups: 1. Protein: Eggs, lean meats, poultry, fish, dairy products, beans, and legumes p...  Read Full »

My baby has a fever and does not eat well. Please advise.

Query: Hello doctor, My 22 months old baby girl had a fever and was on Babygesic and Sinarest-AF drops for cold and fever. Until now she did not have fever but now she has raised temperature. She has not eaten solids. I am very worried. Please help. She is such a poor eater and is currently on Dee drops, A...  Read Full »

Dr. Diggireddy Shilpa Reddy

Answer: Hello, Welcome to First of all your baby is quite underweight. She has to be above 28.66 lbs by 22 months (attachment removed to protect patient identity). Coming to the fever part, she requires an antibiotic for the fever to subside. Please give her syrup Azee (Azithromycin) 6.67 - 0...  Read Full »

My daughter has recurring chickenpox. Please help.

Query: Hello doctor, My daughter got chickenpox last year. During that time we did not take her out and applied neem leave paste. It got cured in 15 days. Now, this year also, again she got chickenpox. Now, she is 4 years old. What to do now? Why has it come again? She ate chicken and mango the same day. ...  Read Full »

Dr. Faisal Abdul Karim Malim

Answer: Hi, Welcome to Firstly, I would want to know if the diagnosis of chickenpox is made by you or a doctor. It is highly unlikely for anybody to get chickenpox twice and even if the person gets chickenpox twice least likely it would be once every year. Her weight 24 lbs is very less for a...  Read Full »

My son has loose stools after drinking milk. Kindly help

Query: Hi doctor, My 6-year boy is not growing for three years. He is underweight and has loose stool while drinking milk. I am very upset, I gave him supplements prescribed by a doctor, but there is no result. Please help. Thanks.  Read Full »

Dr. Faisal Abdul Karim Malim

Answer: Hi, Welcome to I understand your concern. It is essential to evaluate this case physically to check for constipation, as it is common in this age group. Another thing that may need to be evaluated is TSH (thyroid stimulating hormone). If the child has high TSH, it indicates the need ...  Read Full »

ask-doctor-img Ask a Doctor Online

* Your first query consult is free!

Search for a Health Issue

Disclaimer: No content published on this website is intended to be a substitute for professional medical diagnosis, advice or treatment by a trained physician. Seek advice from your physician or other qualified healthcare providers with questions you may have regarding your symptoms and medical condition for a complete medical diagnosis. Do not delay or disregard seeking professional medical advice because of something you have read on this website. Read our Editorial Process to know how we create content for health articles and queries.