Common Causes Of Hair Loss

Side Effect Of Certain Medications

Hair loss is a common side effect of certain medications. For example, patients who undergo chemotherapy as part of their cancer treatment often experience partial or total hair loss. Patients who use retinoids or high doses of vitamin A could also notice hair thinning or loss, and hair loss is a frequent side effect of some types of antibiotics. Patients who use antidepressants such as sertraline, fluoxetine, or lithium face an elevated risk of a form of hair loss known as telogen effluvium. This form of hair loss usually begins four to six months after the patient begins treatment with antidepressants. Like antidepressants, certain types of anticonvulsants used in the treatment of epilepsy also trigger hair loss. Carbamazepine and sodium valproate are two of the anticonvulsants known to have this side effect. With carbamazepine, hair loss is considered a rare side effect, and the hair loss associated with sodium valproate is dependent on the dose. Patients on lower doses of sodium valproate typically experience less hair loss than individuals on higher doses. When hair loss is caused by medication, it is almost always temporary, and patients generally experience hair regrowth after completing their treatment with the medication. Patients troubled by significant hair loss due to a particular medicine should speak with their doctor about the possibility of switching to a medication that does not cause this side effect.

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