To answer briefly, different fields of otc represent different meanings: in the pharmaceutical industry, special attack refers to over-the-counter drugs; Representative foreign exchange transactions in the trading industry; In the field of welding equipment, OTC stands for Osaka-style road in Japan.
The most common explanation for the details is that OTC is the abbreviation of Over The Counter, which refers to the over-the-counter drugs in the pharmaceutical industry.
OTC drugs are also called OTC drugs in America. These drugs are mostly used for self-diagnosis and treatment of frequently-occurring and common diseases, such as cold, cough, indigestion, headache and fever. In order to ensure people's health, warnings are marked on the packaging labels and instructions for use of over-the-counter drugs in China, which clearly stipulate the time and course of use of drugs, and emphasize that "if symptoms do not relieve or disappear, you should seek medical attention".
There are six main categories of OTC in the world: antipyretic and analgesic drugs, antitussive and anti-cold drugs, digestive system drugs, dermatological drugs, tonic drugs, vitamins, trace elements and additives. The following drugs can be converted into OTC: antiasthmatic drugs, oral contraceptives, muscle relaxants, cardiovascular drugs (excluding calcium antagonists) and anti-infective drugs.
OTC trading mode refers to spot foreign exchange transactions in the inter-bank foreign exchange market based on bilateral credit through independent bilateral inquiry and bilateral settlement.
In the field of welding equipment, OTC stands for Osaka-style road in Japan.