Chloroquine phosphate is a:
## Medication
1. *Antimalarial*: Used to treat and prevent malaria.
2. *Autoimmune treatment*: Sometimes used for conditions like lupus or rheumatoid arthritis.
## Applications
1. Malaria treatment and prophylaxis
2. Certain autoimmune diseases
## Safety Note
Chloroquine phosphate can have significant side effects and interactions. It's essential to use it under medical supervision.