What causes hair loss or alopecia?
Overview
The medical term for hair loss is alopecia. It may be transient or permanent, and it may only affect the scalp or the entire body. Alopecia areata, male pattern hair loss, and female pattern hair loss are among the various forms of alopecia.
Areata alopecia
- When the body's immune system targets hair follicles, an autoimmune illness results.
- It typically manifests as small, rounded spots on the head and face.
- It can also have an impact on other body parts, such as the legs or under the arms.
- Although there is no cure, there are treatments that can promote hair growth.
- If the follicular inflammation goes down, hair can regrow.
Common type of alopecia
- The most prevalent type of alopecia is androgenetic alopecia.
- Hair follicles are irreparably destroyed by scarring alopecia.
- Another prevalent kind of alopecia is telogen effluvium.
Various types of alopecia
- Alopecia encompasses many hair loss diseases. Here are some popular types:
- Alopecia Areata: The immune system targets hair follicles, causing patchy hair loss. Hair on the scalp, eyebrows, and body can be affected.
- Androgenetic Alopecia: This hereditary condition causes thinning hair and a receding hairline.
- Alopecia totalis: Complete scalp hair loss in this advanced stage of alopecia areata.
- Alopecia Universalis: The most severe form of alopecia areata and causes body-wide hair loss.
- Telogen Effluvium: Stress, illness, or drugs cause hair follicles to rest and fall out prematurely.
- Traction Alopecia: Hair loss from tight hairstyles, extensions, or relaxers.
- Trichotillomania: Hair loss caused by hair pulling.
- Central Centrifugal Cicatricial Alopecia (CCCA): Scarring alopecia that starts in the scalp center and spreads.
- Alopecia is caused by chemotherapy.
Each type of alopecia has causes and treatments. If you're losing hair, see a doctor for a diagnosis and treatment.
Please describe alopecia areata.
Hair loss occurs when the immune system erroneously targets hair follicles in alopecia areata. Key points about it:
Symptoms
- Small scalp patches of hair loss are the most typical symptom. Round quarter-sized patches are common.
- Nail Changes: Alopecia areata can cause nail dents, pits, or roughness.
- Scalp and Body Hair: It mostly affects the scalp, although it can also cause eyebrow, eyelash, and beard hair loss.
Causes
- The immune system attacks hair follicles for unexplained reasons. Genetics and autoimmune diseases like thyroid disease increase risk.
- This is typical of aging.
- Infections of the scalp can cause hair loss.
- Some people's stress, illnesses, or hormonal changes might worsen the disease.
- Hair loss is common with chemotherapy.
- Excess vitamin A can also cause hair loss.
- Physical or emotional stress:
- Surgery, high fever, or losing a loved one can cause hair loss.
- Trichotillomania: Hair-pulling disorder.
- Hair loss can result from tight hairstyles, including braids, ponytails, and cornrows.
- Poor Nutrition: Nutrient-bare diets can cause hair loss.
- Hair loss can result from head radiation therapy.
- Tight headgear can damage hair follicles, causing pressure-induced hair loss.
Diagnosis
- Physical Exam: A doctor will assess hair loss.
- Medical History: Family and autoimmune disorders may be asked.
- Biopsy: A scalp sample may be collected to confirm the diagnosis.
- Psychological Effect
- Attending hair loss workshops or seminars can provide practical advice and emotional support.
- Sharing your feelings with friends and family can offer emotional support and understanding.
- Support from other alopecia areata patients can be soothing and empowering.
- Find the support that works for you and ask for help when needed. Remember that you're not alone and that numerous services are there to aid you.
What are common alopecia treatments?
Which treatments are most successful?
- One of the most common therapies for alopecia areata and androgenetic alopecia is minoxidil (Rogaine). In many people, it promotes hair growth.
- Topical corticosteroids reduce inflammation and promote hair growth, notably for alopecia areata.
- Medications for alopecia areata include JAK inhibitors like baricitinib and ritlecitinib, which target immune response enzymes and have shown encouraging results in clinical trials.
- In severe situations, oral corticosteroids can be beneficial, but they are normally used for short-term treatment due to adverse effects.
- UV light therapy can reduce inflammation and increase hair growth, particularly for alopecia areata.
- Vitamin D: is needed for hair follicle growth; lack causes hair loss.
- Vitamin B: Biotin (vitamin B7) deficiency can cause hair loss. Other B vitamins like B12 and folate help hair health.
- Vitamin C helps produce collagen, which supports hair structure. A deficit can weaken and cause hair loss.
- Vitamin E: Protects hair follicles as an antioxidant. Low vitamin E can cause hair loss.
- Iron for red blood cell synthesis, which oxygenates hair follicles. Deficient iron can cause hair loss.
- Zinc: Promotes hair growth and restoration. Deficits cause hair loss and thinning.
- A balanced diet with enough vitamins and minerals can keep hair healthy. If you suspect a deficiency, see a doctor for diagnosis and treatment.
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