Dyes and preservatives in oral antihistamines.
D002626:Chemistry, Pharmaceutical; D004396:Coloring Agents / Q000009:adverse effects*; D006634:Histamine H1 Antagonists / Q000009:adverse effects*; D006801:Humans; D010592:Pharmaceutic Aids / Q000009:adverse effects*; D011310:Preservatives, Pharmaceutical / Q000009:adverse effects*
D004396:Coloring Agents; D006634:Histamine H1 Antagonists; D010592:Pharmaceutic Aids; D011310:Preservatives, Pharmaceutical