Boxed Warning - Examples

Examples

Boxed warnings on drugs have received increased media attention in the United States since 2004. Among some of the more widely covered stories:

  • The FDA has required that boxed warnings be placed on all antidepressant medications warning they may result in increased risk of suicidal tendencies in children and adolescents.
  • FDA advisors have recommended that Pfizer be required to place a boxed warning on their non-steroidal anti-inflammatory drug Celebrex (celecoxib) for cardiovascular and gastrointestinal risks.
  • As of 17 November 2004, the FDA has required a boxed warning on the Depo-Provera contraceptive injection, due to the risk of significant loss of bone density with long-term use.
  • As of October 9, 2006, the FDA added a boxed warning to the anticoagulant warfarin due to the risk of bleeding to death.
  • In February 2006, the FDA's Drug Safety and Risk Management Advisory Committee voted to include boxed warnings on methylphenidate formulations used to treat attention deficit hyperactivity disorder, such as Ritalin (methylphenidate), due to possible cardiovascular side-effects. A month later, the agency's Pediatric Advisory Committee effectively rejected recommending boxed warnings for both cardiovascular and psychiatric adverse effects. (Minutes and transcripts of the relevant meetings are available on the FDA website.)
  • On November 14, 2007, the FDA added a boxed warning to the diabetes medication Avandia (rosiglitazone), citing the risk of heart failure or heart attack to patients with underlying heart disease, or are at a high heart attack risk.
  • On July 8, 2008, the FDA ordered a boxed warning on certain antibiotic medications containing fluoroquinolone, which has been linked to tendon ruptures and tendinitis. Included were the popular drugs Cipro (ciprofloxacin), Levaquin (levofloxacin), Avelox (moxifloxacin), Noroxin (norfloxacin) and Floxin (ofloxacin).
  • As of July 1, 2009, the FDA requires Chantix (varenicline) to carry a boxed warning due to public reports of side effects including depression, suicidal thoughts, and suicidal actions.
  • On October 27, 2010, the FDA issued a boxed warning regarding the use of Metacam (meloxicam) oral suspension in cats in the United States. Meloxicam is a non-steroidal anti-inflammatory drug that is approved in the U.S. for a single post-operative injection in cats.

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