The best way to treat allergies is to simply avoid what triggers the allergy, but sometimes, that is just not possible. There are many types of treatments, from medications to injections, which are available to control allergies. Allergy medications include: antihistamines, drops, mast cell inhibitors, nasal spray, pharmacotherapy, Allergy Subcutaneous Immunotherapy (SCIT), Allergy Sublingual Immunotherapy (SLIT), shots and anti-inflammatory steroid. Other changes may be necessary such as diet changes or changing air filters. Read more about the types, symptoms, causes, risk factors, and treatments.