Malaria (with the exception of chloroquine-resistant strains of R. falciparum): prevention and relief of acute attacks of malaria caused by Plasmodium vivax, R. ovale and R. malariae, as well as sensitive strains of R. falciparum; radical treatment of malaria caused by sensitive strains of R. Falciparum; rheumatoid arthritis; juvenile rheumatoid arthritis; lupus erythematosus (systemic and discoid) ; photodermatitis.