Which statement about drugs to treat malaria is NOT true?

Tetracyclines are a class of antibiotics that may be prescribed for certain infections and have some use in conjunction with anti-malarial drugs. However, their safety profile during pregnancy raises concerns. Tetracyclines are generally not recommended for pregnant women because they can affect fetal development, particularly concerning bone growth and teeth discoloration. As such, the statement regarding the safety of tetracyclines during pregnancy is not true.

Chloroquine is indeed a common drug for malaria prevention, especially in areas where the disease is prevalent. Combination therapies are crucial for treating severe cases of malaria to enhance efficacy and reduce the risk of resistance. Finally, the increasing resistance to anti-malarial drugs is a well-documented issue that complicates treatment and prevention strategies.