Persistent Acne: Should You Consider Blood Tests for Diagnosis? - Dermatology

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Persistent acne can be a frustrating and distressing condition, especially when it has been ongoing for several years despite various treatments. It is important to understand that acne can be influenced by a multitude of factors, including hormonal changes, dietary habits, stress levels, and even underlying medical conditions.
In your case, since you have been experiencing acne since the age of twenty and have tried both Western and traditional Chinese medicine without significant improvement, it may be beneficial to consider a more comprehensive approach to diagnosis and treatment. While acne is often associated with excess oil production and clogged pores, it can also be a symptom of hormonal imbalances, particularly in women. Conditions such as polycystic ovary syndrome (PCOS) can lead to increased androgen levels, which may exacerbate acne.
Blood tests can indeed provide valuable insights into potential underlying causes of persistent acne. For instance, tests that measure hormone levels, such as testosterone and dehydroepiandrosterone sulfate (DHEAS), can help identify hormonal imbalances. Additionally, thyroid function tests can rule out thyroid disorders, which can also affect skin health.
Another important aspect to consider is the role of inflammation in acne. Chronic inflammation can contribute to the severity of acne, and certain blood tests can help assess inflammatory markers in your body. For example, a complete blood count (CBC) can provide information about your overall health and detect signs of infection or inflammation.
You mentioned experiencing itching on your face at night, which could indicate an allergic reaction or sensitivity to certain products or environmental factors. It may be worthwhile to evaluate your skincare routine and any new products you have introduced. Sometimes, ingredients in skincare or makeup can trigger allergic reactions, leading to both itching and acne flare-ups.

Regarding your concern about liver health and "toxins," it is essential to clarify that the concept of "toxins" is often misunderstood. The liver is responsible for detoxifying the body, and while liver dysfunction can lead to skin issues, it is not typically a direct cause of acne. However, if you have concerns about your liver health, liver function tests can be performed to assess its status.

In summary, while blood tests can provide useful information regarding hormonal levels, inflammation, and overall health, it is crucial to approach acne treatment holistically. Consulting with a dermatologist who specializes in acne can help you explore various treatment options, including topical treatments, oral medications, and lifestyle modifications. Additionally, if hormonal imbalances are suspected, working with an endocrinologist may be beneficial.

In conclusion, persistent acne can be multifactorial, and while blood tests can aid in diagnosis, a comprehensive evaluation by a healthcare professional is essential for effective management. It is advisable to keep track of any changes in your skin condition, dietary habits, and stress levels, as these can provide valuable information for your healthcare provider.