Thursday, June 25, 2020

Common cold medicine drug ingredients

1. Paracetamol

Commonly known as: Paracetamol. It has an antipyretic and analgesic effect, and its mechanism of action is to inhibit the synthesis and release of prostaglandin (PGE2) in the hypothalamic temperature regulating center to produce peripheral vasodilation, causing sweating to achieve antipyretic effect, while inhibiting bradykinin, etc. Function, raise the pain threshold and produce analgesic effect.

2. Pseudoephedrine hydrochloride

Adrenaline medicine has the function of constricting capillaries of upper respiratory tract, eliminating congestion of nasopharyngeal mucosa and alleviating the symptoms of nasal congestion. (Frankly speaking, it is to reduce the symptoms of nasal congestion, but note that this is not a cure for colds. This method of reducing nasal congestion is a permanent cure, and it also has side effects on the human body. Many cold medicines have this ingredient. In fact, this ingredient is added, such as New Contec.

3. Amantadine hydrochloride

Anti-influenza virus effect. Cold medicines containing this ingredient are cold medicines against influenza viruses. Mainly against influenza A virus. Everyone should pay special attention to this article, because the common cold is not the same as the flu. The flu is generally a viral cold. It is difficult to take ordinary cold medicines. You must take corresponding antiviral cold medicines according to the situation, but the common anti The types of viral cold medicines are relatively single, and sometimes it is difficult to treat. It is best to go to the hospital for treatment.

4. Chlorpheniramine maleate

This ingredient is anti-allergic, but it can cause drowsiness (that is, doze), which is why many cold medicines cause sleepiness. But this ingredient cannot be removed in many cold medicines, because the main ingredient of most cold medicines is acetaminophen. This ingredient has an allergic reaction to some people, so chlorpheniramine maleate must be used for anti-allergy. Some medicines that do not have obvious symptoms of drowsiness replace chlorpheniramine maleate with anti-allergic ingredients like diphenhydramine hydrochloride.

5. Caffeine

Central nerve excitement, central stimulant drugs can enhance the efficacy of antipyretic and analgesic drugs, the second is to reduce the lethargic symptoms of cold medicine.

6. Artificial bezoar

It has antipyretic and alarming effects

7. Dextromethorphan hydrobromide

It can suppress the cough center and has an antitussive effect. However, many cold medicines do not have this ingredient. Of the common cold medicines on the market, only individual medicines such as Baijiahei contain this ingredient. This kind of antitussive method is similar to the suppression of nasal congestion, and it is achieved by acting on neurovasculature and does not cure the root cause.

8. Ibuprofen (Fenbid)

Its anti-inflammatory, analgesic, and antipyretic effects are stronger than those of aspirin, baotaisong, or acetaminophen. But most domestic cold medicines are still based on acetaminophen. Fewer ibuprofen or aspirin were used.

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