Can Helicobacter pylori tests be done during the pregnancy preparation stage?

Written by Qu Chun Yao

Obstetrics and Gynecology

Updated on January 18, 2025

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During the preconception stage, it is possible to test for Helicobacter pylori, but if testing is to be conducted, breath tests should be avoided. This is because breath tests use carbon-14 or carbon-13, which are radioactive, making them unsuitable for women planning pregnancy.

At this time, it is also important to weigh the pros and cons. If there are chronic gastric or duodenal ulcers, and the symptoms are quite apparent, it is necessary to conduct tests. It is advisable to postpone pregnancy, address the gastrointestinal diseases first, and then proceed with pregnancy. If there are gastric or duodenal diseases at such time, pregnancy could possibly exacerbate the condition.

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Written by Peng Miao Yun

Internal Medicine

1min 5sec

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What should I do if I have a Helicobacter pylori infection?

Helicobacter pylori is closely related to the occurrence of chronic gastritis, gastric ulcers, and gastric cancer, but not everyone infected with Helicobacter pylori will develop chronic gastritis or gastric ulcers. Infections can be diagnosed with a breath test, where values more than twice the normal level, accompanied by symptoms of gastritis, gastric ulcers, stomach distension, stomach pain, and acid reflux, should be considered for antibacterial and stomach-protective treatment. Generally, with standard treatment, 90% of Helicobacter pylori can be eradicated within one to two weeks. However, reinfection is common as it can be found in food and utensils and transmitted through saliva. It is generally advised that children under 14 and individuals with low levels of Helicobacter pylori without obvious stomach inflammation symptoms do not require immediate treatment.

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Written by Wu Hai Wu

Gastroenterology

43sec

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What is the reason that Helicobacter pylori treatment causes black stools?

If black stools occur during the treatment of Helicobacter pylori, it is very likely due to the medication-induced black stools caused by taking potassium citrate bismuth or bismuth pectin. However, to rule out the possibility of upper gastrointestinal bleeding, a fecal occult blood test can be conducted for a clear diagnosis. Treatment of Helicobacter pylori infection requires a two-week quadruple therapy that includes bismuth. At the same time, one should avoid overeating and focus on consuming fresh vegetables and fruits rich in vitamins and easy-to-digest foods. It is also advisable to quit smoking and drinking alcohol, and avoid drinking strong tea, coffee, etc.

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Written by Wu Hai Wu

Gastroenterology

52sec

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Is Helicobacter pylori a serious illness?

Helicobacter pylori is not a major disease, so patients do not need to be overly anxious and worried. Once an infection of Helicobacter pylori is detected, patients can consider visiting the gastroenterology department of a formal hospital. The choice of medication should be based on the doctor's experience. Also, the use and dosage of the medication should be followed according to the doctor's instructions. For the treatment of Helicobacter pylori infections, it is recommended to use a bismuth-containing quadruple therapy for two weeks to eradicate the infection. During the treatment period, it is advisable to avoid eating spicy and irritating foods, and also to avoid alcohol, strong tea, coffee, etc. Avoid overeating and eat small, easily digestible meals more frequently. (Please follow the doctor’s prescription when using medication.)

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Written by Wu Hai Wu

Gastroenterology

52sec

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Why is there an increase in flatulence after the treatment of Helicobacter pylori?

After treatment for Helicobacter pylori, having more flatulence generally isn't directly related to the treatment, as the medication used includes proton pump inhibitors, antibiotics such as amoxicillin, clarithromycin, as well as bismuth citrate potassium. None of these drugs typically cause increased flatulence. If a patient experiences more flatulence after treatment, it might be due to functional dyspepsia. At this point, treating the condition with medications that regulate the gut flora, such as combined lactobacilli and Bifidobacterium triple live bacteria, might be effective. If the increased flatulence persists, it is advisable to promptly undergo a digital colonoscopy to rule out the possibility of organic intestinal diseases. (Specific medications should be used under the guidance of a doctor.)

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Written by Si Li Li

Gastroenterology

1min 9sec

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How to treat duodenal ulcer with Helicobacter pylori infection?

The treatment of duodenal ulcer accompanied by Helicobacter pylori infection begins primarily with anti-Helicobacter pylori therapy. The regimen includes a proton pump inhibitor, two types of antibiotics, and a bismuth agent, lasting a total of 14 days. In addition, for duodenal ulcers, it is necessary to use acid-suppressing and stomach-protecting medications to promote gastric mobility and protect the gastric mucosa, with the treatment course lasting six weeks. At the same time, it is important to focus on a light and easily digestible diet, avoiding smoking and drinking alcohol, as well as avoiding strong tea, coffee, spicy, irritating, fried, grilled, raw, cold, and sweet foods. It is also crucial to avoid adverse emotional effects such as anxiety, depression, and stress, prevent excessive fatigue or staying up late, and it is advised to moderately increase physical activity.