"Also, there are no records kept of adverse effects.
Dr. Demarco said the agency had not moved quickly enough after initial reports of adverse effects.
Certain mental health problems increase the risk of adverse effects from mindfulness.
Lotronex was one of 11 drugs taken off the market because of adverse effects since 1997.
"Evidence is accumulating of inflated benefit claims and of adverse effects.
Ecstasy can cause a range of adverse effects, including nausea, chills, sweating, muscle cramps and blurred vision.
In Wen's case, 127 instances of adverse effects were reported to the FDA, a fraction of the around 21,000 complaints made to the company.
Disability rights campaigners and mental health charities have long called for an overhaul of the assessment scheme, following anecdotal evidence of adverse effects on mental health.
But occasional skin irritation, and hay fever or similar symptoms among people allergic to chrysanthemums, are the sort of adverse effects that consumers have reported.
"When you get to 10 medications" — as a patient might after a fall — "the likelihood of adverse effects is close to 100percentt".
Dr. Lumpkin said the fact that liver problems quickly became apparent represented a success of the agency's system for collecting reports of adverse effects from drugs.
