Here's some information I found on the Lupus Foundation of America website.

"Hydroxychloroquine (Plaquenil) is the most common antimalarial for lupus. If you can't take hydroxychloroquine, your doctor may recommend chloroquine (Aralen®). These medicines can be taken as pills or liquids."
--- Medications used to treat lupus: https://www.lupus.org/resources/medications-used-to-treat-lupus