What are the main types of drug action

1. Excitatory type: improve the original function of the body's organs. Inhibition (paralysis) reduces the original function of the body's organs. The transfer of hyperexcitability to exhaustion is another type of inhibition.

2. Inhibition type: reduce excitability and weaken function, such as morphine inhibiting the respiratory center and weakening breathing.

3. Metabolic changes: exert effects by affecting metabolism, such as adrenaline to increase blood sugar; Insulin lowers blood sugar.

4. Adaptive change: to achieve the purpose of disease prevention and treatment by enhancing or inhibiting the body's adaptability to environmental changes, such as immune-enhancing drugs and inhibitory drugs.

The effect of a drug refers to the body's reaction to the drug and the effect of the drug on the body. The former refers to the adverse reactions of drugs, and the latter refers to the purpose of drugs, that is, to play the role of drug prevention and disease, which is called the prevention and treatment of drugs.

The preventive and therapeutic effects of drugs are divided into preventive and first-class effects. The effect is divided into causal effect and symptomatic effect.

The effect on the cause is mainly to eliminate the cause of the disease, such as streptomycin.

Isonizid, rifampicin**TB.

The use of mebendazole ** ascariasis or hookworm disease is carried out thoroughly, which can not only make the disease go, but also prevent its transmission. Therefore, the anti-cause ** of the drug is also called "special effect**", and the drug with the effect of the anti-cause ** is often called "special effect drug".

Although the symptomatic effect of the drug cannot be eliminated, it can improve the symptoms, relieve the patient's pain, enhance the body's resistance, and prevent the deterioration of the condition, such as the use of antipyretics, cough and expectorant pneumonia.

The patient has a high fever and a severe cough.

This antipyretic and cough suppressant does not appear to target the virus or bacteria that cause pneumonia, but it can reduce the patient's pain and prevent the condition from worsening. Purulent meningitis.

It often causes life-threatening convulsions.

Timely antispasmodics play a very important role.

In short, both the cause and the symptom are indispensable, and TCM points out that "if it is urgent, it will treat the symptoms (symptomatic), and if it is slow, it will treat the root cause (the cause), and it is very reasonable to treat both the symptoms and the root cause".

Pharmaceutical preparations mainly study the basic knowledge and skills of pharmacy, biopharmaceutics, industrial pharmacy, pharmaceutical preparation engineering, etc., and carry out the research and development, production, analysis, and quality inspection of pharmaceutical preparations. Common pharmaceutical preparations include sugar-coated tablets, enteric-coated tablets, capsules, ointments, sprays, injections, etc.

Extended information: The pharmaceutical preparation major cultivates senior scientific and technological talents with all-round development of morality, intellect, physique and aesthetics, with basic theoretical knowledge and basic experimental skills in pharmacy, pharmacy and pharmaceutical preparation engineering, and can be engaged in research, development, process design, production technology improvement and quality control in pharmaceutical preparations and fields related to preparation technology. Students in this major need to study physical chemistry, chemical engineering principles, medicinal chemistry, pharmaceutical analysis, pharmacology, physical pharmacy, pharmaceutical polymer materials, biopharmaceutics, industrial pharmacy, preparation equipment and workshop process design, etc.