Sentence:  ... these Symptoms are only curred, by such Medicines as correct the Acidity and Acrimony of the Blood, viz. When it most partakes of Acrimony by sweet diaphoretick Decoctions, or some sort of Acids, which dull and take off their corroding Edges, or when they are more Acid, by volatile Salts that carry them off by Sweat or Urine; or by Acid <WSD>Absorbers</WSD>, which by correcting the Acidities of the Pancreatick Juice, leave the Ferment of the Liver more predominant ... 
Meaning of the word marked with <WSD> tags:  Something that absorbs.