Persistent Appetite Loss and Digestive Issues - Gastroenterology and Hepatology

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Not feeling hungry?


I often go a whole day without eating and don't feel hungry (I haven't felt hunger for a long time).
I experience constipation, but taking the fiber supplement Normacol Plus causes diarrhea.
Additionally, I have issues with indigestion and bloating.
This has been going on for three years.
What kind of strange condition is this?

Wang Wang Jun, 10~19 year old female. Ask Date: 2005/10/13

Dr. Li Zhengqi reply Gastroenterology and Hepatology


Dear Wang Wang Jun,
The symptoms mentioned may be caused by functional gastrointestinal disorders such as non-ulcer dyspepsia or irritable bowel syndrome.
It is recommended to visit a gastroenterology clinic for a thorough consultation with a physician to discuss whether further examinations are necessary and to rule out any organic diseases.
Wishing you all the best.

Reply Date: 2005/10/13

More Info


Persistent appetite loss and digestive issues can be quite distressing and may indicate underlying health problems that require attention. Your symptoms, including a lack of hunger, constipation, diarrhea when taking fiber supplements, and digestive discomfort such as bloating, suggest a complex interplay of gastrointestinal and possibly psychological factors.

Firstly, it's important to understand that appetite loss can stem from various causes, including physical health conditions, psychological factors, and lifestyle choices. Common physical causes include gastrointestinal disorders such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), or even infections. Psychological factors, including stress, anxiety, and depression, can also significantly impact appetite and digestion. In your case, given the duration of your symptoms (three years), it’s crucial to consider both physical and psychological evaluations.

Constipation and diarrhea can occur simultaneously in conditions like IBS, where the bowel can alternate between these two states. The fact that you experience diarrhea when taking fiber supplements like Normacol Plus suggests that your digestive system may be sensitive to changes in fiber intake. While fiber is generally beneficial for digestion, the type and amount of fiber can affect individuals differently. Some people may find that certain fiber supplements exacerbate their symptoms rather than alleviate them.

Bloating and digestive discomfort can also be linked to food intolerances or sensitivities. Common culprits include lactose (found in dairy products), gluten (found in wheat and other grains), and certain fermentable carbohydrates known as FODMAPs. Keeping a food diary to track what you eat and how it affects your symptoms can be a helpful step in identifying potential triggers.

Moreover, the psychological aspect cannot be overlooked. Chronic stress or anxiety can lead to changes in appetite and digestion. The gut-brain connection is well-documented, and emotional distress can manifest as physical symptoms in the digestive system. If you have been experiencing significant stress or emotional challenges, addressing these through therapy or counseling could be beneficial.

Given the complexity of your symptoms, it is advisable to consult with a healthcare professional who can conduct a thorough evaluation. This may include blood tests, imaging studies, or referrals to a gastroenterologist or psychologist. A multidisciplinary approach can help in diagnosing any underlying conditions and developing a comprehensive treatment plan.

In the meantime, consider the following strategies to help manage your symptoms:
1. Dietary Adjustments: Gradually introduce fiber into your diet rather than relying solely on supplements. Focus on whole foods like fruits, vegetables, and whole grains. Stay hydrated, as adequate fluid intake is essential for digestion.

2. Mindfulness and Stress Management: Techniques such as mindfulness meditation, yoga, or deep-breathing exercises can help reduce stress and improve your overall well-being.

3. Regular Physical Activity: Engaging in regular exercise can stimulate digestion and improve appetite. Aim for at least 30 minutes of moderate activity most days of the week.

4. Routine Eating Schedule: Try to establish regular meal times, even if you don’t feel hungry. Eating small, frequent meals can help stimulate appetite and improve digestion.

5. Seek Professional Help: If your symptoms persist or worsen, it’s crucial to seek medical advice. A healthcare provider can help identify any underlying issues and recommend appropriate treatments.

In conclusion, while your symptoms may feel overwhelming, they are not uncommon, and there are steps you can take to address them. A thorough evaluation by a healthcare professional will be key in understanding the root causes of your appetite loss and digestive issues, leading to effective management and improvement in your quality of life.

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