| Traded as | 
NASDAQ: AMPH S&P 600 Component  | 
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Amphastar Pharmaceuticals is a publicly traded American pharmaceutical company. Its products include Enoxaparin Sodium Injection, Cortrosyn, Amphadase, Emergency Syringes in Luer-Jet, Lidocaine, Naloxone, and Phytonadione Injection.
Amphastar has been criticized for its pricing of naloxone, a drug that treats opioid overdose.