Is Your Hair Loss Normal? Insights from a Dermatologist - Dermatology

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Hair loss can be a distressing experience, and understanding whether it is normal or indicative of an underlying condition is crucial. Based on the information provided, you are experiencing a significant amount of hair loss, approximately 120-200 strands per day, which has persisted for 5 to 6 months. This level of hair loss is above the average range, as it is generally considered normal to lose about 50 to 100 hairs daily.

Several factors can contribute to hair loss, including genetics, hormonal changes, medical conditions, and environmental factors. In your case, you mentioned having hyperthyroidism, which can indeed affect hair growth. Although your thyroid levels are currently normal, it is essential to consider that hair loss can sometimes continue even after thyroid levels have stabilized. This phenomenon is often referred to as telogen effluvium, a temporary condition where hair follicles enter a resting phase due to stressors, including hormonal changes, illness, or significant life events.

The fact that you have consulted a dermatologist and were advised to use a topical treatment like minoxidil (often referred to as "落健生髮液") is a positive step. Minoxidil is FDA-approved for treating androgenetic alopecia (pattern hair loss) and can help stimulate hair regrowth in some individuals. However, it is important to note that results can vary, and it may take several months of consistent use before you notice any significant improvement.

In addition to hormonal factors, other potential causes of hair loss include:
1. Genetic Factors: Family history of hair loss can predispose individuals to similar patterns of thinning or baldness.

2. Nutritional Deficiencies: Lack of essential nutrients, such as iron, vitamin D, and certain B vitamins, can lead to hair loss. A balanced diet rich in these nutrients is vital for maintaining healthy hair.

3. Stress: Physical or emotional stress can trigger hair loss. Managing stress through relaxation techniques, exercise, or therapy may help mitigate this.

4. Scalp Conditions: Conditions like seborrheic dermatitis, psoriasis, or fungal infections can lead to hair loss. If you notice any scaling, redness, or itching on your scalp, it may be worth discussing with your dermatologist.

5. Hair Care Practices: Aggressive hair styling, frequent use of heat tools, or harsh chemical treatments can damage hair and lead to breakage. Gentle hair care practices can help maintain hair health.

Given your situation, it is advisable to continue monitoring your hair loss and maintain regular follow-ups with your dermatologist. If you notice any changes in your scalp condition, such as increased redness, itching, or flaking, or if the hair loss worsens, it is crucial to seek further evaluation. Additionally, if you have concerns about your thyroid condition or any other health issues, discussing these with your healthcare provider is essential.

In summary, while losing 120-200 hairs daily is above the normal range, it is important to consider the various factors that could be contributing to your hair loss. A thorough evaluation by a dermatologist, along with appropriate treatment and lifestyle adjustments, can help address your concerns and promote healthier hair growth.