Soliris has been called the world's most expensive drug. Alexion Pharmaceuticals, the drug's manufacturer, is now suing the Canadian government for its attempt to regulate and bring down the medication's $700,000 yearly cost.
Drug's sudden failure to work leads MD to suspect ingredients made overseas. "Mitchell, 82, suffers from hypothyroidism, a condition where her thyroid gland doesn't produce enough of an important hormone. She had been on the same medication since the 1970s with no problems. But in early 2013, she noticed something was wrong. "I started getting sicker and sicker and sicker and itchy and fatigued, very fatigued," she said. "Everything that hypothyroidism has, I had again."