Could Miralax cause 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 . We study 28,920 people who have side effects while taking Miralax from FDA. Among them, 9 have Hyperserotonemia. Find out below who they are, when they have Hyperserotonemia and more.

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Miralax has active ingredients of polyethylene glycol 3350. It is often used in constipation. (latest outcomes from Miralax 29,467 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 9,743 Hyperserotonemia patients).

On Dec, 04, 2016

28,920 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 co-used drugs for these people *:

  • Lantus (4 people, 44.44%)
  • Namenda (3 people, 33.33%)
  • Aspirin (3 people, 33.33%)
  • Spiriva (2 people, 22.22%)
  • Fluoxetine (2 people, 22.22%)

Forecasts by (We will alert you to new symptoms or undetected conditions when you take Miralax, learn more )


* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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