The present disclosure provides a liquid formulation meant for nasal administration that includes fexofenadine or a salt or a hydrate or a solvate thereof. The compositions of the present disclosure may find utility in treatment of allergic conditions/diseases. The liquid formulation of the present disclosure gets converted into a gel upon its administration in the nasal region and releases the active agent locally in a sustained manner, while providing moisturizing effect and forming a layer on the nasal mucosa that acts like a barrier to entry of pathogens and allergens inhibiting their invasion into sinuses and deep layers of lining of the nose. Aspects of the present disclosure also relates to method of treating an allergic condition using the advantageous compositions of the present disclosure.
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