- Use of antidepressants other than SSRI/SNRIs, antipsychotics (typical or atypical), GABA agonists (e.g. gabapentin), stimulants (e.g. methylphenidate, modafinil), oral steroids, immunosuppressant or immunomodulating drugs, regular use of Benzodiazepines (e.g. lorazepam).