Are there any pharmaceutical drugs that don't need a prescription?

Yes. No. Yes.

There are plenty of over-the counter pharmaceutical drugs. A big misperception is that if a drug is available over-the-counter, then it is safe. You should seek counsel from either a doctor or pharmacist before taking over-the-counter medications, as many interact with other drugs or disease states.

A controlled substance isn't simply a prescription medication. A controlled substance is one which may be habit forming, and the FDA has assigned it to a special class (Class II ((narcotics)) to class V ((cough syrups that only a pharmacist may dispense)). 'Big Pharma' makes a lot of the over-the -counter medications.

A lot of of the OTC medications started out as prescription drugs (Motrin, Naprosyn,Immodium,Prilosec, Tagamet...).

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