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| p-Aminosalicylic Acid 4-Aminosalicylic Acid | PAS | para-Aminosalicylic Acid | Alumino-4-Aminosalicylic Acid | Pamisyl | Rezipas | p-Aminosalicylic Acid Monolithium Salt | p-Aminosalicylic Acid Monopotassium Salt | p-Aminosalicylic Acid Monosodium Salt An antitubercular agent often administered in association with ISONIAZID. The sodium salt of the drug is better tolerated than the free acid. |