Desloratadine is an metabolite (active breakdown product) of loratadine, and is used to treat relief of allergic rhinitis and urticaria. It is also available as a separate product (NeoClarityn). For some individuals exposure to pet fur, pollen, house dust mites or an insect bite can cause the body to produce histamine. When this happens the histamine produced by the body as part of its defence mechanisms causes an allergic reaction this leads to inflammation of [...]

Cetirizine belongs to the group of medicines known as long lasting antihistamines and treat various skin conditions. It is used mainly in the treatment of rhinitis the medical term describing irritation and inflammation of some internal areas of the nose (more commonly known as a runny nose). Examples of allergies would be, hay fever, angioedema, (a sudden, severe swelling of the skin in a particular area). and commonly affects eyes, nose, tounge, lips, hands or [...]

Promethazine is a first-generation receptor antagonist of the phenothiazine chemical class used medically as an antihistamine and antiemetic Promethazine was developed in the 1950s. In its early years it was used as an antipsychotic, although it is generally not administered for this purpose these days. The drug is now widely used to relieve allergies such as skin rashes, itching and symptoms of hayfever, including urticaria (hives), chikenpox, and eczema. Promethazine blocks histamine receptors in an [...]

Both Loratadine and Desloratadine (see desloratadine), an active breakdown product of Loratadine, are long lasting non-sedating antihistamines used for the treatment of allergies. Loratadine is used to treat nasal discharge, itching and burning eyes and sneezing (hay fever). This drug is also used to treat skin conditions such as chronic idiopathic urticaria (persistent itchy rash). Loratadine has fewer side effects than older antihistamines such as chlophenamine and has fewer sedative effects as it only slightly [...]

Chlorphenamine Chlorpheniramine has been used for many years to treat allergies such as rhinitis (irritation and inflammation of some internal areas of the nose) allergic conjunctiviitis, hay fever, urticaria (hives), insect stings and bites, and swellings due to an allergy. Chlorphenamine/chlorpheniramine may also be used to prevent or treat allergic reactions to a blood transfusion. Injections of chlorphenamine (chlorpheniramine) or promethazine are used as an adjunct (something added to another thing but not essential to [...]