Side effects of stopping norethisterone dapoxetine belongs to a class of selective serotonin reuptake inhibitors (SSRIs). This short-acting inhibitor is used to treat premature ejaculation in men. It is preferable not to use Apcalis with grapefruit juice, alcoholic beverages, tobacco. If you smoke tobacco and take Apcalis concomitantly this may lead to a condition called NAION (sudden optic nerve-related vision loss). Inform your doctor before to take Apcalis if you have abnormal penis, including curved penis and birth defects of the penis, had coronary artery disease, arrhythmia, angina, heart attack or heart failure, hypo- or hypertension, bleeding, stomach ulcers, diabetes, hyperlipidemia (excess of lipids in the blood), sickle-cell anemia, liver or kidney failure in history. 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.