07-21-2009, 11:33 PM
A 25-year-old woman comes to the clinic for advice regarding the treatment of headaches. Over the last few months she has developed worsening headaches that are often bilateral and occasionally associated with nausea. No one in her family suffers from such headaches, and before these last few months she had been healthy. A review of her current medications reveals that she takes herbal medications, including ginkgo biloba and St. John™s wort, and takes megavitamin therapy to enhance longevity. Vital signs are within normal limits. Physical examination, however, discloses bilateral papilledema. Which of the following is the most likely cause of this patient™s symptoms?
A. Ginkgo biloba side effect
B. St. John™s wort side effect
C. Vitamin A intoxication
D. Vitamin D intoxication
E. Vitamin E intoxication
A. Ginkgo biloba side effect
B. St. John™s wort side effect
C. Vitamin A intoxication
D. Vitamin D intoxication
E. Vitamin E intoxication