Whats the best medicine for allergies?

Nasal steroid spray: The most effective medical treatment for nasal allergies triggered by pollen, dust, dander etc is topical nasal steroid sprays such as qnasl, flonase, nasonex, (mometasone) etc. Antihistamines can help many people and are available over the counter. The best long term treatment is allergy injections as this can decrease symptoms and medication requirements for years after shots stopped.

Lots of Options: Over-the-counter non-sedating antihistamines like Allegra, Claritin, or Zyrtec are helpful for perennial allergic rhinitis symptoms, however the gold-standard treatment are daily intranasal steroid sprays like Flonase or Nasonex (mometasone) if your symptoms are more severe. Avoidance of triggers is important. Allergy shots also option. See Allergist to determine what medications could give you lasting relief.