It's possible to treat the symptoms of mild allergic rhinitis with over-the-counter medications, such as long-acting, non-sedating antihistamines. If possible, try to reduce exposure to the allergen that triggers the condition. See preventing allergic rhinitis for more information and advice about this.
isobar definition: 1. a line on a map connecting points having equal barometric pressure at a given reference altitude, commonly sea level, over a given period or at a given time 2. any atom that has the same atomic weight (or mass number) as another...
the force exerted by air molecules over a given area. air pressure. lines of equal pressure. isobars. the force which balances the vertical pressure gradient force and prevents the atmosphere around the earth from rushing off into space. gravity. instrument that usually consists of three or more cups. anemometer.