Cystitis treatment antibiotics try not to eat grapefruit or drink grapefruit juice while you are being treated with Sildenafil. Many people using this medicine do not have serious side effects. Before taking Dapoxetine to tell your doctor or chemist if you are allergic to it; or if you have other allergies. Inform your doctor or chemist if you have bipolar confusion, eye, liver or kidney problems. Aged people can be more sensitive to the side effects of the medicine. During the pregnancy, this treatment should be used only when strongly necessary. As this medicament can be absorbed by skin, women who are pregnant or may become pregnant should not manipulate this medicine.