A 19 year-old woman complained of headache and nausea occurring while she was taking minocycline for acne. Examination showed bilateral papilloedema and a bilateral VIth nerve palsy. Symptoms and signs rapidly resolved after the drug was stopped. Benign intracranial hypertension due to tetracyclines is well known in infants. It is rare in adults. Its pathophysiology remains unknown. The role of vitamin A is inconsistent. Others biological factors or personal susceptibility could be involved.