There are numerous types of medications used to treat allergic rhinitis, and the choices can be overwhelming. Learn about the best medicines.

Xyzal (levocetirizine) is a medication in the antihistamine drug class used to treat allergy symptoms or chronic hives.

A nasal decongestant is a medication used to treat runny or stuffy noses and can be taken orally or as a nasal spray.

Zyrtec-D (cetirizine and pseudoephedrine) is a medication used to treat allergies in adults and adolescents 12 years and older.

Learn about the allergy medicines available over-the-counter without a prescription, and where to get advice about which ones you should take.

Learn about Neupogen, a drug given to patients who have neutropenia (low neutrophil count) in order to stimulate white blood cell production.

Spectrum 10k is the biggest study of Autism but some autistic people are worried about how it's being conducted and who is (and is not) involved.

Learn how to write a meaningful, comprehensive obituary for your loved one.

Methylmalonic acidemia is a rare and sometimes fatal disease resulting from a genetic problem in metabolism. Learn more about symptoms and treatment.

Learn all about antihistamines, including how they work, what they treat, which ones are available OTC, and side effects that may occur.