Unexplained Weight Loss in a 56-Year-Old Man: Causes and Solutions

Weight loss

Hello, my husband is 56 years old.
Since I met him, he has never been overweight, with a maximum weight of 58 kg.
He is 175 cm tall, but in recent years, his weight has dropped to around 51 kg, which is quite underweight.
We have a light diet and consume protein; he eats two eggs daily, does not snack, and has a regular exercise routine.
His sleep schedule is also normal.
I am unsure if his work, which requires mental effort, is a factor.
He seems to be fine overall, but sometimes he feels tired.
He has naturally low blood pressure (systolic 106-112, diastolic 66-72) and a slow heart rate (53-57).
He previously had Helicobacter pylori but has been treated for it.

I am just wondering about the reasons for his weight loss.
What recommendations do you have, doctor?

Janice, 50~59 year old female. Ask Date: 2020/07/16

Dr. Ye Qianyu reply Family Medicine

Hello! Based on your description, the patient has experienced significant weight loss.
To investigate the underlying causes, it is recommended to conduct a thorough medical history and physical examination.
It would be advisable to visit a family medicine or general internal medicine clinic.

Reply Date: 2020/07/16

More Info

Unexplained weight loss in a 56-year-old man, such as the case you described, can be concerning and warrants a thorough evaluation. Weight loss of more than 5% of body weight over a short period, especially when it is unintentional, can indicate underlying health issues. In your husband's case, his weight has dropped from 58 kg to 51 kg, which is a significant change given his height of 175 cm.
Several potential causes could explain this weight loss, and it is essential to consider both physiological and psychological factors. Here are some possible explanations:
1. Metabolic Disorders: Conditions such as hyperthyroidism can lead to increased metabolism, resulting in weight loss. Although you mentioned that he has not been diagnosed with any metabolic disorders, it may be worthwhile to have his thyroid function tested.

2. Gastrointestinal Issues: Problems with digestion or absorption, such as celiac disease, Crohn's disease, or chronic gastritis, could lead to weight loss. Given that your husband had a history of Helicobacter pylori infection, it is essential to ensure that there are no lingering gastrointestinal issues affecting his nutrient absorption.

3. Chronic Illness: Conditions like diabetes, chronic obstructive pulmonary disease (COPD), or even malignancies can lead to weight loss. While you indicated that he does not have diabetes, a comprehensive evaluation for other chronic diseases may be necessary.

4. Psychological Factors: Stress, anxiety, or depression can significantly impact appetite and eating habits. You mentioned that he sometimes feels tired, which could be a sign of underlying psychological stress or fatigue. It might be beneficial to assess his mental health, especially considering the cognitive demands of his job.

5. Dietary Factors: Although you mentioned that his diet includes protein and he avoids snacks, it is crucial to evaluate the overall caloric intake. If he is expending more calories through exercise than he is consuming, this could lead to weight loss.
6. Medication Side Effects: If he is taking any medications, it is essential to review them, as some can cause weight loss as a side effect.
7. Age-Related Changes: As individuals age, their metabolism can change, and they may experience a natural decline in muscle mass, which can contribute to weight loss.

Given these possibilities, it is advisable for your husband to see a healthcare provider for a comprehensive evaluation. A primary care physician or an internist would be a good starting point. They can perform a thorough physical examination, review his medical history, and order relevant laboratory tests, including blood tests to check for thyroid function, metabolic panel, and possibly imaging studies if indicated.

In the meantime, keeping a food diary to track his daily caloric intake and any changes in appetite or eating habits can provide valuable information for the healthcare provider. Additionally, monitoring his weight regularly can help identify any further changes.

In conclusion, unexplained weight loss can be a symptom of various underlying health issues. It is crucial to seek medical advice to determine the cause and develop an appropriate management plan. Early intervention can lead to better outcomes and help address any potential health concerns effectively.

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