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Underweight
I want to gain weight as I am ibs Patient, I am unable to gain weight. Because of this, I am suffering to weight gain . I want you to please recommend me something. So that I can gain weight because everything doesn't suit me. And it results to constipation. I want to gain weight as I'm underweight. I tried so many things but didn't work.And if it worked, it worked for some time only and then still I lose my weight.Please help me out also I a m vitamin deficient, and even if I eat something, it doesn't suit me.And i'm not gaining any weight.Please help me out
Answers (12)
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Weight loss is not something to be expected in IBS.
I hope you had the following as a minimum,
1. Blood tests: CBP, ESR, TSH, HbA1C, LFT, KFT, Calcium, Phosphate, Magnesium, Prothrombin time, Coeliac antibodies and Vitamin D levels
2. Stool tests: Calprotectin and Elastase
3. Gastroscopy with D2 biopsy (for Coeliac)
4. Flexible sigmoidoscopy with biopsies (to check for IBD)
5. Trial of antibiotics (bacterial overgrowth in the bowel)
All the best.
J G S R clinic
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You through this query i answered with details. Two times.
U need protein as in bhuna Chana banana, dates n milk to churn n take.
In winter its easy to gain wait.
Yet you can add lot of veggies.
Sprouts also help in gaining weight. Add onion, tomato lemon, black salt, bhuna jeera.
Practine 4mg one hr before dinner. It induce hunger. For three weeks.
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Difficulty gaining weight with IBS is common, especially if digestion and constipation are not controlled. Focus on small frequent meals, easy-to-digest high-calorie foods, and treat vitamin deficiency properly.
Next Steps
Proper evaluation is important to plan diet and supplements safely. Please consult me for detailed guidance and personalized treatment.
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Please share detailed medical history,test results and what measures you have taken to gain weight.
First correct constipation, by diet and life style measures.
Enhance protein. Fiber and carbohydrates in your diet. Drink more water.
Do regular physical exercise.
Take supplements for your deficiencies.
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At 24 years old, being underweight with IBS + vitamin deficiencies + food intolerance suggests:
• Malabsorption or gut sensitivity
• Likely IBS-C (constipation dominant) if weight gain attempts worsen constipation
• Possible low gut enzyme function
• Chronic micronutrient deficiency affecting metabolism
• Possible stress–gut axis involvement
The key issue is not just “eating more.”
In IBS patients, the goal is:
Improve absorption first → Then increase calories strategically
If your gut is inflamed or sluggish, extra calories will either:
• Cause bloating
• Cause constipation
• Or pass without being absorbed
So your focus should be gut repair + easy calorie addition, not heavy foods.
Next Steps
A. First – Check these tests (very important)
• Vitamin D
• Vitamin B12
• Iron profile
• Thyroid (TSH)
• HbA1c
• Serum protein/albumin
If deficiencies are present, correcting them is step 1 before weight gain.
⸻
B. Weight Gain Strategy for IBS Patients
1️⃣ Add “Low-Volume, High-Calorie” foods
These are easier to tolerate:
• 1 tbsp peanut butter daily
• 1 tbsp ghee in dal/roti
• Soaked almonds (5–6)
• Banana + peanut butter smoothie (if tolerated)
• Boiled eggs (if non-veg)
• Rice instead of too much wheat (wheat worsens IBS in many)
⸻
2️⃣ Protein that doesn’t constipate
Avoid heavy whey initially.
Better options:
• Whey isolate (small dose, ½ scoop)
• Plant protein (pea + rice blend)
• Homemade: curd + soaked chia (small quantity)
Start small. Increase slowly.
⸻
3️⃣ For Constipation Control
If constipation worsens weight:
• Warm water morning
• 1 tsp soaked chia seeds
• Magnesium glycinate at night
• Isabgol only if tolerated (small amount)
⸻
4️⃣ Vitamin Correction (critical for weight gain)
If deficient:
• Vitamin D3 weekly 60k (if low)
• B12 methylcobalamin
• Multivitamin with zinc
Low vitamins = poor muscle building.
Health Tips
• Eat small meals every 3 hours
• Do light strength training (very important for weight gain)
• Avoid overeating at once
• Reduce stress (IBS worsens with anxiety)
• Sleep minimum 7 hours
• Track weight weekly, not daily
Most IBS weight loss is due to poor absorption + fear of food. Once the gut stabilizes, weight can improve steadily.
⸻
You are not alone in this — IBS weight gain is possible with the right strategy. If you would like, I can help you design a custom IBS-friendly weight gain diet plan based on your tolerance, which we can do properly in an online consultation to ensure sustainable and safe results for you.
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Dr. Kamal Kumar
General Physician
7 yrs exp
Rewari
Dear Patient,
Difficulty gaining weight with IBS is common because digestion is sensitive, food tolerance is limited, and constipation can reduce appetite and absorption. Weight fluctuation happens when calorie intake is inconsistent due to symptoms. The good news is weight gain is possible with the right food selection and gut management.
What you should do
• Eat small frequent meals every 2 to 3 hours instead of large meals
• Choose easy to digest high calorie foods like rice, oats, banana, boiled potato, curd, paneer, eggs, peanut butter, soaked almonds
• Add healthy calories such as ghee or olive oil 1 to 2 teaspoons in meals
• Use homemade smoothies like banana with milk or lactose free milk if tolerated
• Maintain hydration and fiber balance to prevent constipation (isabgol husk at night can help)
• Identify trigger foods like excessive spicy food, fried food, caffeine, or packaged food and avoid them
Medicines and supplements if needed
• Probiotics daily for gut balance
• Digestive enzymes before meals if bloating is severe
• Vitamin D and B12 supplementation if deficient
• Mild stool softener if constipation persists
When to consult doctor
• Persistent weight loss
• Severe abdominal pain or blood in stool
• Ongoing vitamin deficiencies despite diet
IBS related weight issues improve slowly with consistent routine and gut friendly diet.
For further guidance and personalized treatment you may text me on Practo anytime.
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Dr. Vetsa Sri Krishna Chaitanya
General Physician
7 yrs exp
Rajahmundry
Need a few more details please consult for further evaluation and treatment
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Dr. Shaikh Huzaif
General Physician
20 yrs exp
Mumbai
Please consult
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Dr. Sajid Ali
General Practitioner
4 yrs exp
Kanpur
It's seem like IBS
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Dr. Konica gupta
General Physician
4 yrs exp
Ghaziabad
Best is to consult and get a outlook for your concern
Next Steps
Kindly consult
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Dr. Anuj Mothsra
General Physician
6 yrs exp
Jhunjhunu
Can help you, kindly consult and provide detailed history for proper diagnosis and further management
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Dr. Suraj Sharma
General Practitioner
4 yrs exp
Jaipur
Consult
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