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1.
Also UTC.

1. Refers to the status of medications which are not available over the counter nor by prescription. They are often medications and new drugs that are neither FDA-approved nor illegal.

2. Adj. Refers to the status of drugs that cannot be obtained with or without a prescription in a pharmacy. May be illegal drugs.
1. Melanotan 2 will never be sold in a pharmacy, but you will still be able to get it under the counter from various laboratories.

2. When will they stop arresting people for selling cocaine and other under the counter drugs?
by Courtney Holder February 23, 2008