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Compared with the toxic reactions of drugs, the harm caused by incorrect administration seems to be minimal. Drugs are related to life and can not be tolerated carelessly; taking drugs, seemingly routine events, do not pay attention to the method of taking drugs, there is a real risk of life.
Tablets are one of the rare drug formulations。 With the rapid development of pharmaceutical technology, tablets are no longer a single tablet。 There are also dispersible tablets, sublingual tablets, enteric-coated tablets, chewable tablets, effervescent tablets, sustained (controlled) release tablets and so on。
1。 Sublingual tablets should be placed under the tongue。
When taking sublingual tablets, the drug should be placed under the tongue to dissolve in saliva, and then be absorbed by the sublingual mucosa. Because there are rich blood vessels beneath the tongue, the tablets are placed under the tongue, allowing drugs to pass through the walls of the blood vessels more quickly, to be absorbed quickly, and not to be depleted by liver metabolism. Sublingual tablets, if swallowed, take effect slowly, and fail to achieve the effect of treatment. The time spent in first aid is life.
The drug is absorbed through the sublingual mucosa to carry forward the whole body function, especially suitable for treating some emergency patients, such as nitroglycerin sublingual tablets. For example, although Nifedipine Tablets does not belong to sublingual tablets, it should also be chewed up under the emergency condition.
2, enteric coated tablets should be eaten before meals.
Enteric-coated tablets are tablets that are coated with a special coating (enteric-coated) on the surface of a tablet so that the drug does not disintegrate in gastric juice and can be disintegrated and absorbed in intestinal juice。
Enteric coated tablets are made to meet the needs of drug properties and treatment. Because many drugs do not fluctuate under acidic conditions in the gastric juice, they are readily decomposed and effective or have a placebo effect on the gastric mucosa; others are better absorbed only in the intestine. Such as Pancreatin Enteric-coated Tablets, Aspirin Enteric-coated Tablets and so on.
When taking pills, do not break them up, chew them up or make them into powder。 It should be taken before meals。
Note: In emergencies, for example, patients with acute myocardial infarction, aspirin enteric-coated tablets should be broken open or chewed, very short time to carry forward the efficacy of drugs.
3, slow controlled release preparations should be swallowed and not broken。
Some drugs have a short half-life, poor temporary compliance, easy to miss or mistake, so researchers rack their brains, through a variety of high-tech technology, these drugs are made into slow/controlled-release preparations, increasing the number of times a day to take drugs, most drugs only take once a day, greatly strengthening the patient's compliance with medication. Sex.
Under normal circumstances, slow and controlled release tablets need to be swallowed up, unable to break, chew or crush. Simply put, slow, controlled-release tablets are slow-release effects. This slow-release process keeps your blood concentration above the ineffective dose, below the toxic dose. Unlike controlled-release tablets, controlled-release tablets will be released slowly or at constant speed as required.
Breaking or crushing the tablets can destroy the external structure of the tablets, cause a small amount of drug release, add toxic reactions, and even form a life risk.
Some medicines with special elucidation that can be broken must also be broken along the notch, but can not be chewed or crushed, so slow-release and controlled-release preparations should be carefully checked before the use of elucidation should not be arbitrarily broken。
4, chewing tablets must be chewed and swallowed.
After the medicine is chewed, the surface product increases, which can slow down the dissolution and absorption of drugs, thus improving the efficacy. Chewable tablets taste good, can cover up the bitter taste of drugs, most chewable tablets added to the flavor modifier, chewing can have sour, sweet and other tastes, taste good. And easy to take, not limited by time and place, even in the absence of water conditions can also take medicine on time.
金凤凰彩票appIt is especially suitable for children, patients with dysphagia or poor gastrointestinal function, and can increase the burden of drugs on the gastrointestinal tract。
Since no chewing tablets are added to the chewable tablets, it must be chewed and swallowed in the mouth.
5. Effervescent tablets are fully dissolved in warm water and then taken.
金凤凰彩票appEffervescent tablets refer to tablets containing effervescent disintegrating agents, which can be classified into two categories: oral and external.
When taking oral effervescent tablets, one dose of the tablets should be put into a cup filled with warm water。 After the bubbles have completely disappeared and the drugs have dissolved, the tablets should be shaken and taken。
Oral effervescent tablets are strictly forbidden to be swallowed indirectly and must be dissolved before taking them。 Otherwise, effervescent tablets will release a reduced amount of gas, i。e。 carbon dioxide, in the esophagus and gastrointestinal tract, which will form gastrointestinal ulcer and even cause asphyxia, especially in children。
For external effervescent tablets, it can be administered indirectly through the cavity。
6, buccal tablets should be slow.
When taking lozenges, they should slowly melt away in the mouth just like sugar。 If the buccal tablets are swallowed as oral medicines, or chewed up in a hurry, the significance of their partial durability is obtained。
For example, some throat tablets are mainly used to relieve the discomfort of the pharynx. It can keep the medicine in mouth for a longer time. After saliva ablation, it will relieve the pharynx slightly.