Cyproheptadine is an antihistamine that’s sometimes discussed in medical settings for sexual side effects, including delayed ejaculation in certain situations. This educational article explains the proposed mechanism, who might be considered, typical clinician-supervised use, and important safety points like drowsiness, dry mouth, and potential interactions with other medications. It also highlights why you should speak with a licensed healthcare professional before using cyproheptadine for any off-label purpose. For education only.