Do all drugs have to be FDA approved?

Related questions

1. What is the FDA in the UK?
2. Why would a drug be recalled?
3. Why did the FDA start?
4. Can I use the FDA logo?
5. What powers do the MHRA have?
6. What is a CTA in clinical trials?
7. What does FDA approval mean?
8. How long does MHRA approval take?
9. Why the FDA was created?
10. Why is the FDA important?

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2. #required
3. #monograph
4. #modern
5. #drugs
6. #labeling
7. #standards
8. #agency
9. #counter
10. #products
11. #concerns
12. #manufacturers
13. #unapproved
14. #serious
15. #effectiveness
16. #received
17. #conform
18. #quality
19. #without
20. #marketed
21. #safety
22. #approval