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DIETYLSTILBESTROL (D.E.S.) is used primarily for the treament of urinary incontinence in spayed female dogs. *Tiny tablets and capsules of this product can only be dispensed in 180 day quantities due to compounding expiration dates. Chewables can only be dispensed in 30 day quantities. Please adjust your order accordingly.* Don't see the strength you need? Contact us at (877)220-6337!