GERD: Effects of Takeda's Gastrointestinal Medication on Stool Color - Gastroenterology and Hepatology

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Gastroesophageal reflux disease (GERD)


Recently, I underwent an endoscopy and was diagnosed with gastroesophageal reflux disease (GERD).
The doctor prescribed me Teclast for once a day.
After starting the medication, I noticed that my stool color has been predominantly green.
Could this be due to the medication? My stomach condition has also improved.

Ping, 20~29 year old female. Ask Date: 2020/03/12

Dr. Yang Zhichao reply Gastroenterology and Hepatology


Hello Mr.
Ping, taking Teku Wei Tong rarely changes the color of your stool.
You can increase your intake of fruits and vegetables and incorporate some probiotics; this may help return the color to normal.
Thank you for your inquiry.
Changhua Hospital cares about your health.

Reply Date: 2020/03/12

More Info


Gastroesophageal reflux disease (GERD) is a common condition that affects many individuals, leading to symptoms such as heartburn, regurgitation, and discomfort in the chest. The management of GERD often involves lifestyle modifications and pharmacological treatments, including medications like those produced by Takeda, which may include proton pump inhibitors (PPIs) or other gastrointestinal agents.
Regarding your observation of green-colored stools after starting the medication, it is important to understand that stool color can be influenced by various factors, including diet, medications, and underlying health conditions. Green stools can occur for several reasons:
1. Dietary Factors: Consuming foods that are high in chlorophyll, such as leafy greens (spinach, kale), or foods with artificial coloring can lead to green stools. If your diet has included such foods recently, this could be a contributing factor.

2. Bile Pigments: Bile is a digestive fluid produced by the liver and stored in the gallbladder. It is typically yellow-green in color. When food moves through the intestines too quickly, bile may not have enough time to break down completely, resulting in green stools. This can happen during episodes of diarrhea or gastrointestinal upset.

3. Medications: Certain medications can also affect stool color. While the specific medication you mentioned (Takeda's gastrointestinal medication) is not commonly associated with green stools, it is possible that it could influence gastrointestinal motility or digestion, leading to changes in stool color.
4. Gastrointestinal Conditions: If you have been experiencing other gastrointestinal symptoms, such as diarrhea, abdominal pain, or changes in appetite, it may be indicative of an underlying condition that could be affecting your digestion and stool color.
In your case, since you mentioned that your GERD symptoms have improved, it is likely that the medication is working effectively to manage your condition. However, if the green stool persists or if you experience additional symptoms such as abdominal pain, significant changes in bowel habits, or blood in your stool, it would be prudent to consult your healthcare provider. They may recommend further evaluation to rule out any potential issues.

In summary, while the green color of your stools could be related to the medication, it is essential to consider dietary factors and the overall context of your gastrointestinal health. Monitoring your symptoms and maintaining open communication with your healthcare provider will help ensure that any concerns are addressed promptly. If you have any further questions or if your symptoms change, do not hesitate to reach out to your doctor for personalized advice and management.

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