OBJECTIVE LIFE SCIENCE
SIGNALLING IMMUNOLOGY CANCER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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frist generation
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second generation
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Either A or B
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None of the above
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Detailed explanation-1: -Loratadine, cetirizine, and fexofenadine are the most commonly prescribed second-generation antihistamines. Many tests have been conducted to assess the central effects of these three drugs. Compared with placebo, at recommended doses loratadine is not associated with performance impairment.
Detailed explanation-2: -First-generation antihistamines block both histaminic and muscarinic receptors as well as passing the blood-brain barrier. Second-generation antihistamines mainly block histaminic receptors and do not pass the blood-brain barrier.
Detailed explanation-3: -About loratadine Loratadine is an antihistamine medicine that helps with the symptoms of allergies. It’s used to treat: hay fever. conjunctivitis (red, itchy eyes)