Oral pigmentation as an adverse effect of chloroquine and hydroxychloroquine use: A scoping review.
Pedro Urquiza Jayme SilvaMillena Barroso OliveiraWalbert VieiraSérgio Vitorino CardosoCauane BlumenbergAdemir FrancoWalter Luiz SiqueiraLuiz Renato ParanhosPublished in: Medicine (2022)
The outcomes of this study suggest that hyperpigmentation depend on drug dosage and treatment length. Hyperpigmentation was detected after a long period of treatment with chloroquine or hydroxychloroquine.