Review: could Welchol cause Flushing?


Flushing is found among people who take Welchol, especially for people who are male, 60+ old , have been taking the drug for < 1 month, also take medication Niaspan, and have Blood cholesterol increased . We study 4,318 people who have side effects while taking Welchol from FDA and social media. Among them, 214 have Flushing. Find out below who they are, when they have Flushing and more.

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Welchol has active ingredients of colesevelam hydrochloride. It is often used in high blood cholesterol. (latest outcomes from Welchol 4,493 users)


Flushing (the warm, red condition of human skin) has been reported by people with rashes, feeling hot, burning sensation, itching, paraesthesia (latest reports from 47,899 Flushing patients).

On Aug, 18, 2016

4,318 people reported to have side effects when taking Welchol.
Among them, 214 people (4.96%) have Flushing

Number of reports submitted per year:

Could Welchol cause Flushing?

Time on Welchol when people have Flushing *:

  • < 1 month: 66.67 %
  • 1 - 6 months: 33.33 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Flushing when taking Welchol *:

  • female: 43.66 %
  • male: 56.34 %

Age of people who have Flushing when taking Welchol *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.79 %
  • 20-29: 0.0 %
  • 30-39: 6.3 %
  • 40-49: 9.45 %
  • 50-59: 32.28 %
  • 60+: 51.18 %

Top conditions involved for these people *:

  • Blood Cholesterol Increased (53 people)
  • Low Density Lipoprotein Increased (34 people)
  • High Density Lipoprotein Decreased (27 people)
  • Blood Triglycerides Increased (26 people)
  • Hypertension (16 people)

Top co-used drugs for these people *:

  • Niaspan (146 people)
  • Aspirin (68 people)
  • Zetia (41 people)
  • Niaspan (coated) (29 people)
  • Crestor (29 people)

* 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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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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