Blood in Vomit: When to Seek Medical Attention - Gastroenterology and Hepatology

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Vomiting blood


Hello Doctor: On January 6th, around 10:00 PM, after having a late-night snack, I felt a bit indigested.
By 3:00 AM, I started feeling dizzy and vomited for the first time without much issue.
However, during the second episode, there was a large amount of red material, which I believe to be blood since I hadn't consumed anything red.
In the morning, I vomited again, but since there was no food in my stomach, it was mostly acidic fluid, although it contained some brownish material that resembled oxidized blood.
When I visited the doctor, I showed him a photo of my morning vomit, but he said it only had slight traces of blood and seemed to think it was not serious.
I mentioned the vomiting of blood, but he didn't express much concern and just prescribed me some medication.
I would like to ask if I should monitor for ongoing bleeding by checking for black stools? Would you recommend undergoing an endoscopy? Thank you.

Xiao Huang, 20~29 year old female. Ask Date: 2023/01/08

Dr. Chen Shidian reply Gastroenterology and Hepatology


First, observe the condition of the black stools (which may be caused by mild esophageal bleeding due to vomiting), and provide a gentle diet along with gastric medication.
If necessary, arrange for an upper gastrointestinal endoscopy at a gastroenterology clinic.

Reply Date: 2023/01/08

More Info


When it comes to vomiting blood, also known as hematemesis, it is crucial to understand the potential seriousness of this symptom. Blood in vomit can appear bright red, indicating fresh bleeding, or it can appear dark brown or coffee grounds-like, suggesting that the blood has been in the stomach for some time and has oxidized. The presence of blood in vomit can be alarming and may indicate a range of underlying conditions, some of which may require immediate medical attention.

In your case, you mentioned that you experienced dizziness and nausea after eating, followed by episodes of vomiting. The first instance of vomiting did not seem concerning, but the second episode included a significant amount of red material, which you suspect to be blood. The subsequent vomiting included a brownish substance, which could indicate oxidized blood.
Given these symptoms, it is essential to monitor your condition closely. Here are some key points to consider:
1. Seek Immediate Medical Attention: If you experience significant amounts of blood in your vomit, or if you feel faint, dizzy, or have severe abdominal pain, you should seek medical attention immediately. These could be signs of a serious condition such as a bleeding ulcer, esophageal varices, or other gastrointestinal bleeding.

2. Monitoring for Black Stool: You mentioned the possibility of tracking your condition through the observation of black stools (melena). Black, tarry stools can indicate that there is bleeding in the upper gastrointestinal tract, as the blood has had time to oxidize as it passes through the digestive system. If you notice black stools, it is important to contact your healthcare provider.

3. Consideration for Endoscopy: Your doctor may recommend an upper gastrointestinal endoscopy (EGD) if there is a concern about the source of the bleeding. This procedure allows direct visualization of the esophagus, stomach, and the first part of the small intestine, enabling the doctor to identify any lesions, ulcers, or other abnormalities that may be causing the bleeding.

4. Follow-Up Care: Since your doctor prescribed medication and did not express significant concern, it may be beneficial to follow up with them if your symptoms persist or worsen. Keeping a record of your symptoms, including any changes in your vomiting or stool color, can provide valuable information for your healthcare provider.

5. Lifestyle and Dietary Considerations: After experiencing such symptoms, it may be wise to avoid irritants such as alcohol, spicy foods, and non-steroidal anti-inflammatory drugs (NSAIDs) until you have a clearer understanding of your condition. Staying hydrated and consuming bland foods may help your recovery.

In summary, while your doctor may have assessed your condition as not immediately concerning, the presence of blood in vomit should always be taken seriously. Monitoring for additional symptoms, such as black stools, and considering further diagnostic procedures like an endoscopy can help ensure that any potential issues are addressed promptly. If you have ongoing concerns or if your symptoms change, do not hesitate to seek further medical evaluation. Your health and well-being are paramount, and it is always better to err on the side of caution when it comes to symptoms like these.

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