Ved behandling med den anbefalede indledende dosering på 300 mg/ m²/ dag var de hyppigst rapporterede bivirkninger for 109 CTCL- patienters vedkommende: hyperlipidæmi ((hovedsageligt forhøjede triglycerider) 74%), hypothyroidisme (29%), hyperkolesterolæmi (28%), hovedpine (27%), leukopeni (20%), pruritus (20%), asteni (19%), udslæt (16%), eksfoliativ dermatitis (15%) og smerter (12%).
In 109 patients with CTCL treated at the recommended initial dose of 300 mg/ m2/ day, the most commonly reported adverse reactions to Targretin were hyperlipaemia ((primarily elevated triglycerides) 74%), hypothyroidism (29%), hypercholesterolaemia (28%), headache (27%), leucopenia (20%), pruritus (20%), asthenia (19%), rash (16%), exfoliative dermatitis (15%), and pain (12%).