Welcome to HCM
Read your prob, this is zolpidem
tab which acts as anticonvelsent n muscles relaxants . it has many side effects most common are hallucination
n amnesia. other side effects are nausea ,vomiting
, gastroesophageal reflex,delusion
, euphoria, increse libido or loss of libido. tolreance n dependence occure.so he should take this as per advise of your doc n if possible switch over to safe drug.