Clemastine | 農藥百科
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Clemastine,alsoknownasmeclastin,isafirst-generationH1histamineantagonist(antihistamine)withanticholinergicproperties(drying)andsedative ...
![Clemastine](https://i.imgur.com/WMTbIbA.jpg)
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Allergy medication
Clemastine, also known as meclastin, is a first-generation H1 histamine antagonist (antihistamine) with anticholinergic properties (drying) and sedative side effects.[1] Like all first-generation antihistamines, it is sedating.[2][3]
Patented in 1960, it came into medical use in 1967.[4]
Medical uses[edit]Clemastine is used to relieve hay fever and allergy symptoms, including sneezing; runny nose; and red, itchy, tearing eyes. Prescription strength clemastine is also used to relieve the itching and swelling of hives.[5]
Side effects[edit]Overdosage symptoms are paradoxical, ranging from CNS depression to stimulation. Stimulation is most common in children, and is usually followed by excitement, hallu...