Quote:
Originally Posted by flatbutt
When a prescription med has been in use long enough and there is a good safety profile, the FDA may approve it for OTC use.
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Like omeprazole
Quote:
Originally Posted by flatbutt
As for combination drugs, the process for that is very rigorous. Combining two active ingredients, even from previously approved meds usually requires new studies , new applications and extensive reviews. Such a process costs millions.
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It must me profitable, otherwise why would they do it? Add Benadryl to Tylenol and you get Tylenol PM, which gives you additional space on the drug store shelf and a new opportunity for people to overmedicate themselves.