Signs of an Unhealthy Gut
Know about common signs of an unhealthy gut and its potential causes like poor diet or stress. Learn effective ways to improve your gut health through diet, lifestyle changes, and simple daily habits.
Written by Dr. Rohinipriyanka Pondugula
Reviewed by Dr. Md Yusuf Shareef MBBS
Last updated on 11th Aug, 2025
Introduction
Your gut, often called your "second brain," plays a crucial role in your overall health. A healthy gut helps with digestion, supports your immune system, and even affects your mood. But when your gut is unhealthy, it can lead to various problems that impact your daily life.
In this article, we’ll explore the common signs of an unhealthy gut, what causes it, and simple ways to improve your gut health.
What Are the Signs of an Unhealthy Gut?
An unhealthy gut can show up in many ways. Here are some common signs to watch out for:
1. Digestive Problems
Bloating, gas, or discomfort after meals
Frequent constipation or diarrhea
Heartburn or acid reflux
Unexplained nausea
2. Food Intolerances
Difficulty digesting certain foods (like dairy or gluten)
Sudden reactions to foods you used to eat without issues
3. Frequent Infections or Weak Immunity
Getting sick often (colds, flu, infections)
Slow healing of wounds
4. Skin Issues
Acne, eczema, or rashes
Dry or irritated skin
5. Mood Swings or Fatigue
Feeling anxious, stressed, or depressed
Low energy levels even after enough sleep
6. Unexplained Weight Changes
Sudden weight gain or loss without changes in diet or exercise
7. Bad Breath or Unpleasant Body Odor
Persistent bad breath (halitosis)
Strong body odor even with good hygiene
If you notice any of these signs, your gut may need some attention.
Consult a Gastroenterologist for the best advice
What Causes an Unhealthy Gut?
Several factors can disrupt your gut health, including:
Poor Diet – Too much processed food, sugar, or unhealthy fats.
Stress – Chronic stress weakens digestion and gut bacteria.
Lack of Sleep – Poor sleep affects gut balance.
Antibiotics & Medications – They can kill good bacteria in the gut.
Dehydration – Not drinking enough water slows digestion.
Lack of Exercise – Movement helps digestion and gut function.
How Can You Improve Your Gut Health?
The good news is that you can heal your gut with simple lifestyle changes.
1. Eat a Gut-Friendly Diet
Probiotic foods (yogurt, kefir, kimchi, sauerkraut) help replenish good bacteria.
Fibre-rich foods (fruits, vegetables, whole grains) feed healthy gut bacteria.
Prebiotic foods (garlic, onions, bananas, asparagus) support gut health.
Avoid processed foods, excess sugar, and artificial sweeteners.
2. Stay Hydrated
Drink plenty of water to help digestion and nutrient absorption.
3. Manage Stress
Practice deep breathing, meditation, or yoga.
Get enough sleep (7-8 hours per night).
4. Exercise Regularly
Even a 30-minute walk daily can improve digestion.
5. Avoid Unnecessary Antibiotics
Use antibiotics only when prescribed by a doctor.
6. Consider Supplements (If Needed)
Probiotic supplements can help restore gut balance (consult a doctor first).
When Should You See a Doctor?
If you experience severe or persistent symptoms like:
Chronic diarrhea or constipation
Blood in stool
Unexplained weight loss
Extreme fatigue
Final Thoughts
Your gut health affects your entire body, so taking care of it is essential. By eating well, staying hydrated, managing stress, and listening to your body, you can improve digestion, immunity, and overall well-being.
Consult a Gastroenterologist for the best advice
Consult a Gastroenterologist for the best advice
Dr Vishnu Abishek Raju
Gastroenterology/gi Medicine Specialist
13 Years • MBBS- VMKVMC , Salem. MD- Internal Medicine KMC Manipal. DM –Medical Gastroenterology- KMC Chennai. Advanced third space endoscopy training- West China hospital, Sichuan university. EUS training – Herlev hospital University of Copenhagen.
Chennai
Apollo Hospitals Greams Road, Chennai
Dr Piyush Vishwakarma
Gastroenterology/gi Medicine Specialist
11 Years • MBBS, MD, DrNB,
Delhi
Apollo Hospitals Indraprastha, Delhi
Dr. B Prabhakar
Gastroenterology/gi Medicine Specialist
21 Years • MD, DM (GE)
Hyderguda
Apollo Hospitals Hyderguda, Hyderguda
Dr G Varun Teja
Gastroenterology/gi Medicine Specialist
6 Years • MBBS (Osmania Medical College) MD Internal Medicine (PGIMER, Chandigarh) DM Gastroenterology (AIIMS, New Delhi) Fellowship in Advanced Endoscopy (AIIMS, New Delhi)
Chinagadila
Apollo Hospitals Health City Unit, Chinagadila
(50+ Patients)
Dr. Prashant Kumar Rai
Gastroenterology/gi Medicine Specialist
9 Years • MBBS. MD, DM (Gastroenterology)
Guwahati
Apollo Excelcare Hospital, Guwahati
(100+ Patients)
