The answer is, “Complementary medicine is treatments that are used along with standard medical treatments but are not considered to be standard treatments. One example is using acupuncture to help lessen some side effects of cancer treatment. Alternative medicine is treatments that are used instead of standard medical treatments.”
Answer:
antihistamines
Explanation:
antihistamines can be used for a number of reasons and cause several side effects
The correct anwser is "A"