Why do men in their 40s have poor digestion and gas?

Question

Hello doctor,

I am a 46-year-old male. I have been having ongoing stomach problems for quite some time. Due to my job, I usually eat outside food two to three times a day.

After almost every meal, I feel a heavy sensation in my stomach, and my digestion seems very poor. I frequently pass foul-smelling gas and often have loose stools with an unpleasant odor. This is affecting my daily comfort and quality of life.

I also have a history of fatty liver and anemia. Five years ago, I was treated with Udiliv (Ursodeoxycholic acid) and iron supplements. I would like to know the possible causes of my current symptoms and what I can do to improve my digestion.

Please help.

Thank you.

Answer 1

Hello,

Welcome to icliniq.com.

I read your query.

Based on your symptoms, feeling heavy after meals, passing foul-smelling gas, and having loose, offensive stools, along with your past history of fatty liver (too much fat is stored in the liver) and anemia (low hemoglobin or fewer red blood cells), the problem most likely lies in a combination of poor digestion, disturbed gut bacteria, and metabolic issues related to your current diet and lifestyle.

Since you are 46 years old and depend on outside food two to three times daily due to work, your diet is likely high in oil, fats, and refined carbohydrates, and low in fiber, with irregular meal timings. This pattern puts extra load on your stomach, liver, and intestines and gradually weakens normal digestion.

The heaviness after meals suggests functional dyspepsia (indigestion) or slow gastric emptying, while foul-smelling gas and stools commonly point toward gut dysbiosis (imbalance of gut bacteria), carbohydrate malabsorption, or sometimes SIBO (small intestinal bacterial overgrowth).

Your history of fatty liver indicates underlying insulin resistance and metabolic stress, which often goes hand in hand with bloating, gas, acidity, and loose stools. The presence of anemia also makes it important to rule out nutrient malabsorption, chronic gut inflammation, or hidden blood loss.

What should be done next:

A basic evaluation should include a complete blood count (CBC) to assess anemia or infection, liver function tests (LFT) to review the status of your fatty liver, glycated hemoglobin (HbA1c) to check for insulin resistance or diabetes, a lipid profile to assess cholesterol levels, a thyroid profile to rule out hormonal causes of digestive issues, and stool routine examination (SRE) along with a stool fat test (if available) to look for infections, inflammation, or fat malabsorption.
Imaging includes an ultrasound of the abdomen to reassess the current status of fatty liver and evaluate other abdominal organs for possible causes of your symptoms.
Gut assessment includes considering breath testing for small intestinal bacterial overgrowth (SIBO), or starting empirical treatment if the symptoms strongly suggest it.

Given your work routine and food habits, lifestyle correction is the key:

Shift to more home-cooked meals as much as possible.
Eat smaller portions at fixed timings.
Reduce fried, oily, sugary, and packaged foods.
Add soluble fiber (fruits, oats, vegetables).
Include curd or probiotics for gut health.
Weight reduction is crucial; even five to seven percent weight loss significantly improves fatty liver and digestion.
Treat anemia based on the underlying cause, not just iron tablets.
A short course of digestive enzymes or gut-directed medicines may help if prescribed by a doctor.

The good news is that with proper diet, weight control, and targeted treatment, these symptoms are largely reversible. Instead of repeated self-medication, a gastroenterology consultation would be the right next step to address the root cause.

I hope this helps.

Kindly revert so I can assist you further.

Thank you.