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Drug Reaction to Cholestyramine

Anion Exc Resin 1

Questran (cholestyramine) belongs to a group of drugs known as anion-exchange resins.

Cholestyramine is used to lower levels of cholesterol and other lipids in the blood. In this case the drug caused a lichenoid drug reaction.

Anion Exc Resin 2

Following cessation of the drug the oral mucosa started to heal.