Miralax contains PEG 3350, a petroleum-based chemical similar to antifreeze. It is only safe for up to 7 days in adults. Children who take Miralax for years have developed neuropsychiatric side effects and kidney damage.

Miralax Lawsuits

Miralax lawsuits have already been filed against Bayer by people who experienced side effects, but not as part of a class action. Instead, they are individual injury lawsuits for people represented by a lawyer.

Miralax Class Action Lawsuit Settlement

Braintree Laboratories Inc. paid a $17 million class action lawsuit settlement (PDF) to refund everyone who bought prescription-strength Miralax from December 2003 through December 2006. The drug-maker was accused of illegally blocking generic competitors to protect sales, forcing consumers to pay more so it could maintain a monopoly.

Experts Question Miralax Safety in Children

Miralax is a laxative powder made of Polyethylene Glycol (PEG 3350), a chemical similar to antifreeze that is absorbed poorly by the body. It is relatively safe for occasional use in healthy adults for up to 7 days.

In children, however, the safety of Miralax is unknown. Miralax is NOT approved for children and there are no studies of long-term side effects. Even so, many children take it every day for years. This is especially concerning in young children with chronic constipation.

Young children might absorb more Miralax than an adult, which would explain why thousands of side effects were reported, but no one knows. The FDA lists neuropsychiatric events as a possible risk.

Tests on Miralax have detected low levels of Ethylene Glycol (EG) and Diethylene Glycol (DEG), which are poisonous antifreeze chemical impurities that were left over from manufacturing PEG 3350. In a child, irritated intestines may have less of a barrier against these toxins.

Neurological Risks of MiraLax

  • Neuropsychiatric disorders
  • Brain injury
  • Obsessive-Compulsive Disorder (OCD)
  • Epilepsy
  • Psychosis
  • Mood disorders
  • Seizures
  • Tremors
  • Tics
  • Anxiety
  • Lethargy
  • Aggression
  • Repetitive chewing and sucking
  • Paranoia
  • Mood swings

Kidney Risks of MiraLax

  • Acute Kidney Injury
  • Nephrotoxicity
  • Kidney damage
  • Acute kidney injury
  • Kidney failure
  • End-stage renal disease (ESRD)
  • Oxalate nephropathy
  • Dialysis
  • Kidney transplant


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