One. Conventional tablets is a tablet that is compacted by mixing drugs with excipients and is generally swallowed by water. It is also called pressing tablets or plain tablets.
Two, coated tablets (coated tablets) refers to tablets in the tablet (compressed tablet). The purpose of the coating is to increase the stability of the drug in the tablet, to mask the bad odor of the drug, to improve the appearance of the tablet and so on. The coated tablets can be divided into: (1) the sugarcoated tablets is a tablet made mainly of sugar as a coating material; (2) the film coating film (filmcoated tablets) refers to the film of the outsourced polymer material. The tablet (entericcoated tablets) is a tablet that is insoluble in the gastric juice but is soluble in the intestinal fluid. The purpose is to prevent the drug from damaging the gastric juice and the irritation of the medicine to the stomach.
Three, multilayer tablet (multilayer tablets) is a tablet consisting of two layers or layers (components, formula or color and color). The purpose is to improve the appearance or adjust the time of action or reduce the contact of drugs in the two layers, and reduce the compatibility and change. The tablet can be divided into two layers or more layers from top to bottom, and can be divided into many layers from the center of the tablet.
Four, refers to contain tablets in the mouth, slow dissolution of drugs to produce persistent local effects. The drugs in the tablets should be soluble, mainly local anti-inflammatory, bactericidal, astringent, analgesic or local anesthetic effects, such as Yinhuang buccal tablets.