1. See your doctor to rule out a medical condition
Several medical conditions can either temporarily or permanently interfere with normal hair growth and development. Some of these medical conditions include the following:
- Iron deficiency anemia.
- Thyroid conditions.
- Deficiencies in zinc, vitamin D, and possibly the B vitamin group
- Hormonal level alterations of androgen, testosterone, and estrogen-derived hormones.
- Autoimmune disease.
- Major psychological stress.
- Physical trauma.
- Scalp infections and skin disorders.
- Diabetes.
- Lupus.
- Trichotillomania.
- Extreme weight loss, or extreme change in diet.
- Severe infection accompanied by a high fever.
2. Treat the medical condition
Medical conditions can lead to either temporary or permanent problems with hair loss.
- With the help of your doctor, and possibly healthcare professionals that practice in specialty areas, treating the underlying medical condition may resolve your hair loss problem.
- Your doctor will need as much information as possible about your hair loss problem, so be prepared to discuss this issue in depth. Be prepared to describe when it began, any significant life events that occurred just prior to the problem, steps you have taken to resolve it, and how much distress the hair loss is causing you.
- If an underlying medical condition is discovered, specialists that may be part of your treatment may include endocrinologists, dermatologists, nutritionists, and psychiatrists.
3. Understand how your hair grows
Many of the medical conditions listed interfere with one of the three phases of hair growth.
- The anagen phase is the period when your hair is actively growing. About 85% of your hair is in the anagen, or growing phase, at any given time.
- The catagen phase is a short period of time, about two weeks in durations, that allows the follicle to regenerate. Hair growth is halted during the catagen phase.
- The telogen phase is considered the resting phase of hair growth, and lasts for two to four months. At the end of this phase the hair falls out. Most people normally lose about 100 hairs each day due to the hair that is in the telogen phase.
- Many medical conditions encourage hair to enter the telogen phase. This may cause as many as 300 hairs to be lost each day. The medical term for excessive hair loss during this phase is telogen effluvium.
4. Realize that telogen effluvium is often temporary
Many medical conditions that cause hair to move into the telogen phase can be treated.
- Since your hair remains in the telogen phase for several months, your hair loss may not occur immediately after the event that triggered it. This would include physical trauma and severe emotional stressors.
5. Review your medications with your doctor
Many medications can cause temporary hair loss.
- Do not alter your medications for any reason. Talk with your doctor about your concerns. If you feel a medication is causing your hair loss, your doctor may be able to help by either adjusting the dose or prescribing a similar medication to take its place.
- Some medications that are known to contribute to hair loss include lithium, warfarin, heparin, and levodopa.
- Drugs that are classed as beta-blockers can also cause hair loss. Examples of medications in this class include propranolol, atenolol, and metoprolol.
- Amphetamine derivatives can cause hair loss. Examples of amphetamine medications include amphetamine salts, most commonly recognized by the brand name Adderall®, dextroamphetamine, and lisdexamfetamine.
- Chemotherapy medications, such as doxorubicin, commonly cause sudden and complete hair loss, as does radiation therapy associated with cancer treatment.
6. Consider the role of genetics
Having family members that developed hair loss are an indicator that you may also be susceptible.
- The most common pattern of genetically-induced hair loss involves losing hair at any earlier than normal age, losing hair more quickly than normal, and an overall thinning of hair in women.
- There is an incidence of about 21% of hair loss in women that is passed on genetically.
7. Recognize hair loss from hormonal changes
Some situations that cause fluctuations in hormones result in temporary hair loss, and others a gradual but permanent change in hair growth.
- A good example of temporary hair loss is from pregnancy and childbirth.
- The onset of menopause is often accompanied by a noticeable loss of hair. Menopause is part of the normal aging process, and the associated changes in hormone levels lead to a gradual thinning of hair.
- Some women with hair loss at an earlier than normal age, or excessive loss, have been tested for alterations in levels of male hormones including androgens like testosterone. The results of these studies are inconclusive as to the role those hormones may play in causing hair loss in women.
- Your doctor can help to determine the role of hormones in your situation by performing blood work. Severe hormonal imbalances may be treatable in some cases.
8. Evaluate your diet.
Sudden changes in your diet, and sudden weight loss, can contribute to hair loss.
- In most cases, hair loss related to nutrition or diet falls in the category of telogen effluvium, meaning it is often temporary.
- Talk to your doctor or work with a nutritionist. Your doctor can perform physical exams and lab work that can provide evidence of vitamin or nutrient deficiencies.
- Working with a nutritionist can help to incorporate foods into your regular diet that will correct any vitamin or nutrient deficiencies identified, and help to resolve the problem of hair loss.
9. Realize the changes that occur with age
The normal aging process causes follicles to gradually reduce their size.
- Reduced follicle size means that the area of your scalp that supports hair roots becomes smaller, but the number of follicles are basically the same.
- The overall reduction in the size of hair follicles still allows for hair to grow and develop as always, only the hairs are much finer, leading to thinning of the hair as opposed to areas of baldness.
- Studies done in women that experience FPHL indicate that the normal aging process includes thinning of hair. This usually begins somewhere around age 40, with the greatest impact in women 70 years of age or older
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