Telogen Effluvium: This condition is characterized by a significant increase in hair shedding due to a disruption in the normal hair growth cycle. It can be triggered by stress, hormonal changes, or medical conditions, making it a common cause of acute hair loss in postmenopausal women.

Androgenetic Alopecia: Also known as female pattern hair loss, this condition is common in postmenopausal women and is characterized by thinning of hair over the scalp.
Alopecia Areata: An autoimmune condition that can cause patchy hair loss, which may be more noticeable in older adults due to decreased hair density.
Thyroid Disorders: Both hypothyroidism and hyperthyroidism can cause hair loss, and these conditions are more common in women, especially after menopause.
Nutritional Deficiencies: Deficiencies in iron, zinc, or biotin can lead to hair loss, and these deficiencies can be more common in older adults due to decreased dietary intake or malabsorption.

Hypopituitarism: A rare condition characterized by decreased production of pituitary hormones, which can cause hair loss, among other symptoms. Missing this diagnosis could lead to significant morbidity if left untreated.
Cancer: Certain types of cancer, such as lymphoma or leukemia, can cause hair loss. Although rare, it is crucial to consider these diagnoses to avoid delayed treatment.
Autoimmune Disorders: Conditions like lupus or rheumatoid arthritis can cause hair loss and have significant implications if left untreated.

Trichotillomania: A psychological disorder characterized by compulsive hair pulling, which can cause significant hair loss.
Tinea Capitis: A fungal infection of the scalp that can cause hair loss, although it is more common in children.
Frontal Fibrosing Alopecia: A rare condition characterized by scarring hair loss, typically affecting postmenopausal women.
Loose Anagen Syndrome: A rare condition characterized by fragile hair that breaks easily, leading to significant hair loss.