Emtriva, oral opløsning, indeholder også methylparahydroxybenzoat (E218) og propylparahydroxybenzoat (E216), som ligeledes kan give allergiske reaktioner (muligvis forsinkede).
Emtriva oral solution contains Sunset Yellow (E110) which may cause allergic reactions, methyl parahydroxybenzoate (E218) and propyl parahydroxybenzoate (E216) which may cause allergic reactions (possibly delayed).