Glucose is one of the main sources of calories for the human body.

Calcium can maintain the normal excitability of nerves and muscles and promote the secretion of acetylcholine by nerve endings. When serum calcium is low, the excitability of nerves and muscles may increase, resulting in convulsions. When blood calcium is too high, the excitability may decrease, resulting in weakness. Calcium ions can improve the permeability of cell membranes, increase the density of capillaries, reduce exudation, and have an anti-allergic effect. Calcium ions can promote the calcification of bones and teeth. There is a competitive antagonism between high concentrations of calcium ions and magnesium ions, which can be used to rescue magnesium poisoning.

Fluoxetine hydrochloride is a selective serotonin reuptake inhibitor (SSRI) that can effectively inhibit neurons from taking up serotonin from the synaptic cleft, increase the amount of this neurotransmitter that can be actually utilized in the cleft, thereby improving emotional states and treating depressive disorders.

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As a histamine H1 receptor antagonist, it can counteract capillary dilation caused by allergic reactions, reduce capillary permeability, and relieve wheezing caused by bronchial smooth muscle contraction. It has a long-lasting antihistamine effect and also has a significant central inhibitory effect, which can increase the effects of anesthetics, analgesics, hypnotics, and local anesthetics. It is mainly metabolized in the liver.