Allergic rhinitis antihistamines like azelastine antihistamine nasal spray, relief from symptoms is experienced within 15 minutes allowing for a more immediate 'as-needed' approach to dosage. There is not enough evidence of antihistamine efficacy as an add-on therapy with nasal steroids in the management of intermittent or persistent allergic rhinitis in children, so its adverse effects and additional costs must be considered. Ophthalmic antihistamines (such as azelastine in eye drop form and ketotifen) are used for conjunctivitis, while intranasal forms are used mainly for sneezing, rhinorrhea, and nasal pruritus. Antihistamine drugs can have undesirable side-effects, the most notable one being drowsiness in the
Inclusion body rhinitis Inclusion body rhinitis Inclusion Body Rhinitis, also known as IBR or Cytomegalic Inclusion Disease, is a pig disease caused by porcine cytomegalovirus, which is a member of the herpesvirus family. It is a notifiable disease that is found worldwide. It is spread both vertically and horizontally and prevalence is high. It is not a zoonosis but the risk to humans that receive pig organ transplants is currently under investigation. Clinical signs are normally only seen in either piglets less than 3 weeks old or pregnant sows. Signs in piglets include rhinitis, pneumonia, anaemia, fever and sudden death. Black discoloration around