 [ Symptoms ] why am i losing my hair after weight loss surgery and how do i stop it  i take biotin 7500mcg b complex vitamin a zinc and vitamin d supplements daily but my hair just falls out in handfuls i prefer not to wear a wig so any help would be appreciated [ Disease ] you need to have his levels checked the medication his is on can be toxic and needs to be checked regularly other symptoms of the toxic levels can be change in behavior confusion and return of his unmedicated schizophrenia behaviors