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ophthalmic drugs (BENADRYLl (contraindications (asthma, emphysema,…
ophthalmic drugs
BENADRYLl
mechanism of action
this is an antihistamine that blocks a certain natural substance that the body makes during allergic reaction which may be allergy that presents watery eyes
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LORATADINE
mechanism of action
this is an antihistamine that redices the effects of natural chemical histamine in the body .histamine can produce symptoms of watery eyes
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EPINEPHRINE
mechanism of action
stimulate alpha and beta adrenergic receptors resulting in relaxation of smooth muscles of the bronchial tree ,cardiac stimulation and dilatastiom of muscle vasculature
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side effects
angina pectoris ,cardiac arrhythmia ,cerebrovascular accident
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hypoglycaemia ,hyperglycaemia and hypokalemia
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OLAPATADINE
mechanism of action
inhibit the release of histamine from mast cell and selective histamine h1 antagonist that inhibits the invivo and in vitro type 1 immediate hypersensitivity reaction
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