Right Lower Abdominal Pain: Causes and Insights for Young Adults - Internal Medicine

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Right lower abdominal pain?


Hello, doctor.
I am 19 years old, and I started experiencing sharp pain in my lower right abdomen when lying flat in bed about a month ago.
The pain is most severe when I am lying flat, and it diminishes almost completely when I lie on my side.
I do not feel any discomfort while walking, standing, or sitting.
I have a history of gastrointestinal issues and have seen doctors frequently.
About a year ago, I underwent a stool test, which showed no inflammation, and all other markers were normal, except for slightly elevated allergy levels.
Since the first day of this pain, I have consistently felt it every night as soon as I lie down.
In the past few days, after feeling the pain upon lying down, I have also felt the urge to use the restroom, accompanied by a slight pain.
I would like to ask the doctor what might be the issue.
Thank you.

Niming, 10~19 year old female. Ask Date: 2020/10/29

Dr. Xie Rongyuan reply Internal Medicine


Hello: There are many causes of right lower abdominal pain, including issues with the ureter, right fallopian tube, right ovary, cecum, and appendix.
Problems in these areas can lead to pain.
It is recommended to visit a hospital for a detailed examination to obtain an accurate diagnosis.
Thank you for your message!

Reply Date: 2020/10/29

More Info


Understanding right lower abdominal pain, especially in young adults, can be quite complex due to the variety of potential causes. Given your description of the symptoms, it’s essential to consider several factors that could contribute to your discomfort.

Firstly, the location of your pain—specifically in the right lower abdomen—can be indicative of several conditions. One of the most common causes of right lower abdominal pain is appendicitis, which is an inflammation of the appendix. However, since you mentioned that your pain is primarily noticeable when lying flat and is relieved when you change positions, this may suggest that your pain is not solely due to appendicitis, as this condition typically presents with more constant pain and other symptoms such as fever, nausea, and loss of appetite.

Another possibility is that your pain could be related to gastrointestinal issues, especially since you have a history of digestive problems. Conditions such as irritable bowel syndrome (IBS) or even constipation can lead to abdominal discomfort. Given that you mentioned having a sensitive gastrointestinal system and that you often experience discomfort, it’s plausible that your symptoms could be linked to bowel function. The fact that you feel the need to use the restroom after experiencing pain could indicate that your intestines are reacting to the discomfort, possibly due to gas or stool buildup.

Additionally, you mentioned that your allergy levels are elevated, which could suggest a food intolerance or sensitivity. Certain foods can exacerbate gastrointestinal symptoms, leading to bloating, discomfort, and pain. Keeping a food diary to track what you eat and any subsequent symptoms could help identify potential triggers.

Musculoskeletal issues should also be considered. Sometimes, pain in the abdominal area can be referred pain from the back or pelvis. If you have been lying in a position that puts pressure on certain muscles or nerves, this could lead to discomfort that feels like it’s originating from the abdomen.
Moreover, since you indicated that the pain is most severe when lying flat, it might be worth considering whether there are any postural issues or muscle strains that could be contributing to your discomfort. Engaging in activities that strengthen your core and improve your posture may help alleviate some of the pain.

In conclusion, while there are several potential causes for your right lower abdominal pain, it is crucial to consult with a healthcare professional for a thorough evaluation. They may recommend imaging studies such as an ultrasound or CT scan, especially if appendicitis or other serious conditions are suspected. Additionally, discussing your gastrointestinal history and any recent changes in your diet or lifestyle will provide valuable information for your healthcare provider.
In the meantime, consider monitoring your symptoms closely, noting any patterns related to your diet, activity level, and body position. This information can be incredibly helpful for your doctor in determining the underlying cause of your pain and developing an appropriate treatment plan. Remember, while online resources can provide general information, they cannot replace personalized medical advice from a qualified healthcare professional.

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