Kutub 60 Tablet (Dapoxetine) is usually taken 1 to 3 hours before planned sexual activity, or as advised by your doctor. It should not be taken more than once in 24 hours and is not intended for daily use. Common side effects may include dizziness, headache, nausea, diarrhoea, dry mouth, indigestion, and difficulty sleeping. Some people may also experience low blood pressure on standing or fainting, so caution is advised, especially when changing posture quickly.