Final answer:
Drugs need to be tested for efficacy, dosage, and safety.
Step-by-step explanation:
In addition to efficacy and dosage, drugs also need to be tested for safety.
It is essential to ensure that a drug is safe for use and does not cause harmful side effects. This is typically done through extensive clinical trials involving human subjects.
During these trials, the drug is tested for its safety profile, including any potential adverse reactions or interactions with other drugs or medical conditions.
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