The present invention relates to a pharmaceutical composition which can be taken prior to sex according to need in order to treat, prevent, or ameliorate premature ejaculation, and which comprises 14 to 16mg of Clomipramine HCI, and preferably, approximately 15mg, as an active ingredient. More preferably, the composition of the present invention further comprises: pregelatinized starch; and sodium starch glycolate. The pharmaceutical composition of the present invention quickly exhibits effects, has low dissolution (absorption) variation caused due to the difference in pH levels of the gastro-intestinal tracts of patients, and has very low side effects.La présente invention concerne une composition pharmaceutique qui peut être prise avant d'avoir un rapport sexuel selon le besoin de façon à traiter, prévenir ou améliorer l'éjaculation prématurée, et qui comprend 14 à 16 mg de Clomipramine HCl, et, de préférence, environ 15 mg, en tant que principe actif. De manière davantage préférée, la composition de la présente invention comprend en outre : de l'amidon prégélatinisé ; et du glycolate d'amidon sodique. La composition pharmaceutique de la présente invention présente rapidement des effets, possède une faible variation de dissolution (absorption) provoquée en raison de la différence des niveaux de pH des tractus gastro-intestinaux des patients, et a des effets secondaires très faibles.본 발명은 필요에 따라 성교 전에 복용하는 조루증 치료, 예방 또는 개선용 약학 조성물에 관한 것으로서, 염산클로미프라민의 14-16 mg, 바람직하게는 약 15 mg을 유효성분으로 포함하는 것을 특징으로 한다. 보다 바람직하게, 본 발명의 조성물은 또한 알파전분(pregelatinized starch) 및 전분글리콘산나트륨을 포함한다. 본발명의 약학 조성물은 효과 발현이 빠르고, 환자의 위장관 pH에 따른 용출(흡수) 편차가 적으며, 부작용 발생이 매우 적다.