Allergic Rhinitis in Kids

Hi moms! Any suggestions po or tips para sa may mga kids na may allergic rhinitis. Madalas bahing at anak ko usually umaga at gabi lang . The rest of the day ok nman sya. Pag bagong gising sya madalas sumisinga sya kc may sipon. Can u suggest vitamins or any tips? Alam ko walang gamot dito.. 🤗 thanks!