Persistent High Body Temperature and Its Causes - Internal Medicine

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Unusual elevated body temperature?


Hello Doctor: Since I was young, I often experience an increase in body temperature upon waking up, along with a pale complexion and very red lips.
Recently, this has been happening quite frequently during the summer vacation.
I visited my family doctor, who mentioned that it might be due to a urinary tract infection, and I have taken a lot of medication, but it seems to have little effect.
Is it possible that the bacteria have developed antibiotic resistance? (I have been experiencing pain in the lower right abdomen for two years, and although I have undergone examinations during this time that showed no issues, this time the doctor said the pain is caused by a urinary tract infection.) What should I do? Thank you for your response, Doctor.

Ni, 20~29 year old female. Ask Date: 2005/09/15

Dr. Lin Mingfeng reply Internal Medicine


In response to the reported increase in body temperature, the first priority is to determine the actual temperature.
Please accurately record the temperature for the physician's reference.
The previously diagnosed urinary tract infection (UTI) generally requires clinical symptoms such as fever, frequent urination, and dysuria, along with the presence of pyuria or positive urine cultures for bacteria.
If a UTI is confirmed but antibiotic treatment is ineffective, one possible reason could be antibiotic resistance, which should be verified by sensitivity testing of the cultured strains.
Right lower abdominal pain is less commonly the most significant clinical manifestation of a UTI, and other diagnoses should be considered.
The diagnosis of abdominal pain can be quite complex; it is recommended that you first consult a gynecologist, and if it is not a gynecological issue, then proceed to a gastroenterologist.

Reply Date: 2005/09/15

More Info


Persistent high body temperature, especially when accompanied by symptoms like pallor, red lips, and abdominal pain, can be indicative of several underlying health issues. Your experience of elevated body temperature upon waking, combined with a history of urinary tract infections (UTIs) and ongoing abdominal pain, warrants a thorough evaluation.

Firstly, it’s important to understand that a persistent high body temperature can be a sign of infection, inflammation, or other medical conditions. In your case, the recurrent UTIs could indeed be a contributing factor. UTIs are commonly caused by bacteria, and if these infections are not adequately treated, there is a possibility that the bacteria may develop resistance to antibiotics. This antibiotic resistance can lead to persistent infections that are harder to treat, which might explain why you feel that the medications have not been effective.

The symptoms you describe—such as abdominal pain, particularly in the right lower quadrant, and the changes in your body temperature—could suggest that the infection has either not fully resolved or that there may be another underlying issue. For instance, conditions like interstitial cystitis, pelvic inflammatory disease, or even appendicitis could present with similar symptoms. It’s also worth noting that chronic pain in the lower abdomen, especially if it has been ongoing for two years, should not be overlooked.
Given your history and current symptoms, here are some steps you might consider:
1. Follow-Up with Your Healthcare Provider: It’s crucial to have a detailed discussion with your doctor about your symptoms. Given the duration and persistence of your abdominal pain, further investigations may be warranted. This could include imaging studies such as an ultrasound or CT scan to rule out any anatomical issues or complications related to your urinary tract.

2. Urine Culture: If you suspect antibiotic resistance, a urine culture can help identify the specific bacteria causing the infection and determine which antibiotics would be effective. This is a critical step in managing recurrent UTIs.

3. Consider a Specialist Consultation: If your primary care physician is unable to provide a satisfactory resolution, consider seeing a urologist or a gastroenterologist. These specialists can offer more targeted evaluations and treatments for urinary and gastrointestinal issues, respectively.

4. Lifestyle and Dietary Adjustments: While awaiting further medical evaluation, consider lifestyle changes that may help manage your symptoms. Staying well-hydrated, practicing good hygiene, and possibly adjusting your diet to include anti-inflammatory foods may provide some relief.

5. Monitoring Symptoms: Keep a detailed log of your symptoms, including when they occur, their severity, and any potential triggers. This information can be invaluable for your healthcare provider in diagnosing and managing your condition.

In summary, persistent high body temperature and associated symptoms can indicate a range of medical issues, particularly in the context of recurrent UTIs. It’s essential to pursue further evaluation and treatment to address both the infection and any underlying conditions that may be contributing to your symptoms. Your health is paramount, and proactive management is key to finding relief and improving your overall well-being.

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