There are various brands of antihistamines that are available, including non-sedating ones that are available over the counter. Some more effective nasal medications also provided relief. Allergy shots (immunotherapy) are an alternative to antihistamine therapy in people with multiple allergies andnasal symptoms (rhinitis). The use of medications may be required for both year-round and seasonal nasal symptoms. A discussion with your care provider will help to put together a comprehensive treatment strategy personalized for your lifestyle.