Published in Lab Law Weekly, May 19th, 2006
There are many nonprescription cough medicines, but most contain the same types of active ingredients in a limited number of strengths and combinations. Here are the four main ones:
- Expectorants work by thinning mucus. Studies of their effectiveness vary, and the ACCP "cough committee" didn't endorse them.
- Suppressants work by dampening...
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