How much salicylic acid is allowed in ''aspirin''?

Factual Questions
1

We were taught in grade school, and several websites seem to confirm, that ‘aspirin’ is acetylsalicylic acid.

How much salicylic acid does the FDA allow in a pill sold as ‘aspirin’?

2

5 grains (325mg) is the usual dose for adults. Of course, there are multiples of that for extra strength, and there is also the low-dose (~81mg) tablets.

Some say you’ve had too much asprin when your ears start ringing.

3

Sorry, unclear perhaps. The question is how much salicylic acid does the FDA allow in the ** acetylsalicylic acid** marketed as “aspirin”?

Again: How much salicylic acid does the FDA allow in a pill sold as ‘aspirin’?

4

In references I’ve seen, the USP limit is 0.3% salicylic acid. The FDA does not set specifications.

5

One thing to keep in mind with Asprin, salicylic acid is a decomposition byproduct of Asprin. As the drug ages, there will be more salicylic acid.

6

I agree with this, save for the repeated mis-spelling of aspirin.

Pedantically,

QtM :smiley:

7

Have you never told an SF fan, “Take two Asprin and talk to me in the morning”? :smiley: