For more general information, please visit our About OCD section. OCD, as we know, is largely about experiencing severe and unrelenting doubt. It can cause you to doubt even the most basic things about yourself — even your sexual orientation. I have observed this symptom in young children, adolescents, and adults as well. Interestingly Swedo, et al. The most obvious form is where a sufferer experiences the thought that they might be of a different sexual orientation than they formerly believed. If the sufferer is heterosexual, then the thought may be that they are homosexual.