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Bacterial Overgrowth: 3 Signs You Can't Ignore!
Gut Health Focus

Bacterial Overgrowth: 3 Signs You Can't Ignore!

Bruna Barbosa
October 27, 2025
3 min read
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3 Signs of Bacterial Overgrowth You Can't Ignore! Do you experience abdominal discomfort...
You Can't Ignore It!

Do you experience constant abdominal discomfort, extreme fatigue, and don't know why? 🤔 These could be signs of small intestinal bacterial overgrowth (SIBO), a condition that affects gut health and the absorption of essential nutrients. Don't ignore the signs; your body may be crying out for help! 🚨 Proper diagnosis and treatment are essential to restoring your quality of life and avoiding more serious complications.

SIBO occurs when there is an overgrowth of bacteria in the small intestine, where bacteria are normally less present. This imbalance can be caused by several factors, such as intestinal transit dysfunction, excessive antibiotic use, gastrointestinal surgeries, and conditions like diabetes or autoimmune diseases.

Identifying and treating this condition early is essential to avoid more serious problems such as malnutrition, irritable bowel syndrome (IBS), and chronic inflammation that affect quality of life.

1. Physical and Mental Unwell

Bacterial overgrowth occurs in the small intestine, which is the primary site of nutrient absorption. When there is an imbalance, the body does not properly absorb vitamins and minerals, resulting in:

Constant fatigue;

Mental fatigue;

Difficulty concentrating;

Decreased physical and cognitive performance.

These symptoms can affect your daily routine, compromising your performance at work, school, and even simple everyday activities. If you feel constantly exhausted, even after a good night's sleep, it's time to investigate your gut health.

2. Unexplained Weight Loss

Unexplained weight loss is common in SIBO sufferers, especially due to frequent bouts of diarrhea and malabsorption of essential nutrients. If you're losing weight for no apparent reason, pay attention! ⚠️

Besides weight loss, bacterial overgrowth can lead to serious nutritional deficiencies, such as a lack of iron, B vitamins, vitamin D, and other micronutrients important for proper body function. These deficiencies can cause anemia, a weakened immune system, and an increased susceptibility to infections.

3. Digestive Difficulty

One of the causes of SIBO is hypochlorhydria, which is the low production of gastric acid. Acid aids digestion and acts as an immune barrier. With reduced acid, unwanted bacteria can reach the small intestine more easily, causing:

Abdominal bloating after meals;

Excessive gas;

Persistent abdominal discomfort;

Pain and a feeling of bloating even after eating a small amount.

Digestive difficulty can also be associated with symptoms such as acid reflux, frequent belching, and a feeling of slow digestion. These symptoms are common but often overlooked, delaying the correct diagnosis of bacterial overgrowth.

Practical tip:
It's essential to maintain a healthy routine, with regular physical activity, stress management, and quality sleep, which are essential for maintaining a healthy and balanced gut.

Conclusion

Small intestinal bacterial overgrowth is a condition that affects gut health and the absorption of essential nutrients. Identifying and treating this condition early is essential to prevent more serious problems. Nutritional monitoring is essential to identify foods that cause discomfort and adapt your diet to promote a balanced gut microbiota.

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Bruna Barbosa
Nutricionista – CRN-DF 16963, District Federal, Brazil

Specialist in digestive health, functional nutrition, and phytotherapy. Helping patients overcome chronic digestive conditions through personalized protocols and the Renova Digest method.

For more information about personalized consultations and the Renova Digest program, visit: https://nutribrunabarbosa.com.br