Chemical burn of the larynx and nasopharynx. Severe burning sensation suffocation. A whole bunch of unpleasant sensations. It will be easier in the morning. And so in the first seconds it will look like drunk sulfuric acid in one gulp. Very painful. God forbid you breathe this powder into your nose ...
If you don't dilute it with water, you won't just swallow it)
Otherwise - nothing. On average, the dose of polysorb is 6-12 g per 150 ml of water. In a tablespoon about 3-4. Polysorb is still not a particularly bad drug, the sorbents should be such as not to harm, but rather to remove rubbish from the body. Constipation is maximum, well, or exacerbation if you are an ulcer)