Take 5 drops (child under 7 years), 10 drops (7 to 14 years) or 15 drops (adult), in a little water, 3 times daily at least 15 minutes before meals, or as directed by your health care professional. For effective treatment take for 4 to 6 weeks. If found effective may be taken for longer periods of time. Warnings: If symptoms persist, or if on other medication - St. John's Wort affects the way many prescription medicines work, including the oral contraceptive pill, consult your doctor.