Seasonal allergy

This drug is an antihistamine (see Section 9 for a detailed discussion) and helps alleviate the symptoms of seasonal allergies. It causes less sedation than most antihistamines and appears to be just as effective. The key step in a recent synthesis is a Wittig-type reaction. 

It is intended for symptomatic treatment of seasonal allergies and allergic reactions as well as an adjuvant drug in anaphylactic reaction therapy. Synonyms of this drag are arbid, timpil, histryl, hispril, and others. 

Ms. Jones takes fexofenadine 60 mg twice a day for seasonal allergies. She comes to her physician with a sinus infection and receives a prescription for erythromycin, a drug known to inhibit CYP3A4. As a result of this drug interaction, you would expect Ms. Jones to... 

The drugs presented below are used to treat symptomatic coughing and irritation resulting from problems such as the common cold, seasonal allergies, and upper... 

Antihistamines are used for reasons ranging from sedation to the treatment of parkinsonism. One of the most common applications of antihistamines, however, is the treatment of the respiratory allergic response to seasonal allergies (hay fever, and so forth) and other allergens (hence their inclusion in this chapter).44,46,64... 

Aside from 11, -receptor antagonists, the symptoms of seasonal allergies may also be treated with leukotriene receptor antagonists. The lone successful drug from this class is montelukast (Singulair, A.16) (Figure A.4). Montelukast is most often prescribed to treat asthma but can be used for allergic rhinitis as well. 

W13. Wilson, D. R., Nouri-Aria, K. T., Walker, S. M., Pajno, G. B., O Brien, F., Jacobson, M. R., Mackay, I. S., and Durham, S. R., Grass pollen immunotherapy Symptomatic improvement correlates with reductions in eosinophils and IL-5 mRNA expression in the nasal mucosa during the pollen season../. Allergy Clin. Immunol. 107, 971-976 (2001). 

Trade name Claritin Generic name loratadine Use an antihistamine for seasonal allergies... 

Eight episodes of a fixed drug eruption occurred in a 45-year-old man who was taking fexofenadine for seasonal allergies after withdrawal of fexofenadine the rash did not recur (11). 

Clinical uses Symptomatic relief of seasonal allergies, nausea and vomiting, motion sickness, transfusion reactions, pruritis, edema, and urticaria associated with allergic reactions. 

MN is a 54-year-old man who was diagnosed with an intra-abdominal abscess after sustaining a stab wound. He is started on a 21-day course of cefotetan. His social history includes drinking two beers per night. His PMH is significant for peptic ulcer disease, HTN, and seasonal allergies. His medications include omeprazole, enalapril, and cetirizine. Which of the following statements are correct ... 

Loratadine (LOR, trade name Claritin ) is a selective peripheral histamine Hi-receptor antagonist. It is a long-acting and nonsedating tricyclic antihistamine, used for the relief of nasal and noimasal symptoms of seasonal allergies and skin rash. The compound is extensively metabolised in the liver to an active metabohte, descarboethoxyloratadine or desloratadine (DCL). 

When I first met Gordon, he had a constantly runny nose from seasonal allergies. He carried tissues with him everywhere he went. When I examined him,... 

A long-distance truck driver comes into the pharmacy complaining of seasonal allergies. He asks you to recommend an agent that will act as an antihistamine but that will not cause drowsiness. He regularly takes TUMS for indigestion because of the bad food that he eats while on the road. 

Concomitant use of a local nasal decongestant spray may increase the risk of nasal irritation or bleeding. Both sprays may be used together for a client with chronic rhinitis but not for seasonal allergies. The nurse should educate the client, but this is not the first intervention. 

Azelastine (hydrochloride salt is ASTELIN, Meda Pharmaceuticals Inc.) is an antihistamine that is used as a nasal spray and provides reMef for seasonal allergies. 

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