Miralax and Hyperserotonemia - from FDA reports


Hyperserotonemia is found among people who take Miralax, especially for people who are male, 60+ old also take medication Lantus, and have Depression. This review analyzes which people have Hyperserotonemia with Miralax. It is created by eHealthMe based on reports of 35,362 people who have side effects when taking Miralax from FDA , and is updated regularly.

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On Dec, 12, 2017

35,362 people reported to have side effects when taking Miralax.
Among them, 9 people (0.03%) have Hyperserotonemia

Number of reports submitted per year:

Could Miralax cause Hyperserotonemia?

Gender of people who have Hyperserotonemia when taking Miralax *:

  • female: 25 %
  • male: 75 %

Age of people who have Hyperserotonemia when taking Miralax *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 12.5 %
  • 50-59: 0.0 %
  • 60+: 87.5 %

Top conditions involved for these people *:

  • Depression (4 people, 44.44%)
  • Fibromyalgia (3 people, 33.33%)
  • Pain (2 people, 22.22%)
  • Diabetic Neuropathy (2 people, 22.22%)
  • Type 1 Diabetes (1 person, 11.11%)

Top co-used drugs for these people *:

  • Lantus (4 people, 44.44%)
  • Namenda (3 people, 33.33%)
  • Aspirin (3 people, 33.33%)
  • Metformin (2 people, 22.22%)
  • Cymbalta (2 people, 22.22%)

Top other side effects for these people *:

  • Drug Abuse And Dependence (2 people, 22.22%)
  • Parkinson's Disease (1 person, 11.11%)
  • Hyperreflexia (1 person, 11.11%)
  • Fever (1 person, 11.11%)
  • Atrial Fibrillation/flutter (1 person, 11.11%)

* Approximation only. Some reports may have incomplete information.

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Do you have Hyperserotonemia when taking Miralax?

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Hyperserotonemia and drugs with ingredients of polyethylene glycol 3350.

Expand the study to include reports from both FDA and eHealthMe

Hyperserotonemia and Miralax from FDA and eHealthMe reports


Miralax has active ingredients of polyethylene glycol 3350. It is often used in constipation. (latest outcomes from Miralax 35,963 users)


Hyperserotonemia (potentially life-threatening adverse drug reaction) has been reported by people with depression, pain, stress and anxiety, major depression, insomnia (latest reports from 10,388 Hyperserotonemia patients).

Browse all side effects of Miralax

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What would happen?

Forecast new side effects and undetected conditions when you take Miralax and have Hyperserotonemia.

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