What is the IUPAC name of paracetamol
Paracetamol is one of the most important active ingredients against pain and fever. It was developed in the USA and Germany and is now contained in numerous drugs. The non-opioid pain reliever (analgesic) is generally considered to be well tolerated. After ibuprofen preparations, preparations with paracetamol are the best-selling over-the-counter pain relievers (packs containing a maximum of ten grams of paracetamol are prescription-free). Pregnancy and breastfeeding are not exclusion criteria for use. With a correspondingly reduced dosage, the pain reliever and fever medicine can in principle be given at any age. Here you can read everything important about the effect of paracetamol, side effects and use!
This is how paracetamol works
The exact mechanism of action of the pain reliever and fever drug is still unknown. Scientific studies have shown several potentially increasing effects on the body, which explain the analgesic and fever-lowering effect.
In contrast to the active ingredients acetylsalicylic acid and ibuprofen, which are also used as pain relievers and fever killers, paracetamol is not one of the so-called "acidic non-opioid analgesics": These tend to accumulate in the acutely inflamed tissue, in the mucous membrane of the gastrointestinal tract and in the Kidney cortex and have good anti-inflammatory properties. Paracetamol, on the other hand, is a so-called "non-acidic non-opioid analgesic": As such, it is not found in the above-mentioned body regions, but in relatively high concentrations in the central nervous system (spinal cord and brain). There the active ingredient inhibits a certain subform of an enzyme (COX-3), which ensures the production of prostaglandins. These are tissue hormones that play a role in inflammatory processes, fever and the mediation of pain. Non-acidic, non-opioid analgesics such as paracetamol have poor anti-inflammatory effects, but good antipyretic effects.
Paracetamol also influences the endocannabinoid system, which has calming and pain relieving effects, as well as the serotonin system. Serotonin is a messenger substance of the nervous system (neurotransmitter), which fulfills a variety of functions. Among other things, serotonin has an effect on the cardiovascular system, blood clotting and the gastrointestinal tract and plays an important role in the brain as a "happiness hormone".
In the current research, further mechanisms of action of the pain reliever and fever drug are discussed.
The maximum concentration in the blood is reached after 30 to 60 minutes when the active ingredient is taken orally and after three to four hours when it is used rectally (suppositories). The time until half of the active ingredient is metabolized and excreted by the liver is one to four hours (half-life). The inactivated active ingredient is excreted via the kidneys.
When is paracetamol used?
Paracetamol is used for pain and fever, sometimes in combination with other pain relievers (such as acetylsalicylic acid = ASA or codeine).
Usually it is only used for a short time. In certain cases, however, the doctor can also prescribe long-term use.
This is how paracetamol is used
When used occasionally for mild pain such as headaches, the active ingredient is mainly used in tablet form.
Paracetamol suppositories are especially suitable for use in children, toddlers and babies. These can usually be used without any problems, whereas children often spit out tablets again. In addition, toddlers and infants are usually not yet able to take a tablet with a sip of water - they often choke on it. There are special low-dose paracetamol preparations for the respective age groups, in some cases also subdivided according to body weight.
Paracetamol is used for colds and flu, especially because of its fever-lowering effect.
Doctors sometimes give their patients the drug as a syringe (injection).
Combination preparations such as paracetamol plus ASA, paracetamol plus codeine or the triple combination of paracetamol, ASA and caffeine (for the treatment of tension headaches and mild migraines) have a better analgesic effect than the individual active ingredients.
What are the side effects of paracetamol?
Paracetamol side effects are relatively rare and mostly due to existing underlying diseases.
With low-dose, long-term use it can paradoxically happen that paracetamol causes headaches ("analgesic headache"). It must then be discontinued.
Liver damage is to be expected with high-dose, long-term ingestion as well as with a single paracetamol overdose. The liver can then no longer fulfill its task as a detoxification organ - one also speaks of paracetamol poisoning, which shows the typical signs of liver failure. Paracetamol overdose is a single dose of six grams or more.
What should be considered when taking paracetamol?
The pain reliever and fever medicine must not be used in the case of severe liver and kidney damage, a certain enzyme deficiency (glucose-6-phosphate dehydrogenase deficiency) and excessive alcohol consumption (alcoholism). The same applies to known hypersensitivity (allergy) to the active ingredient.
With regard to young patients (children), pregnant and breastfeeding women, there are hardly any concerns about short-term, low-dose use. A doctor or pharmacist should be asked for advice on the use and dosage.
Paracetamol and alcohol
Since the active ingredient of paracetamol, like alcohol, is metabolized by the liver, there is a double burden on the detoxification organ in alcoholics and people with high alcohol consumption, which cannot always be compensated for. In these patients, the pain reliever can cause liver failure. In general, alcohol should be avoided while using paracetamol.
How to get medicines with paracetamol
Up to a total of ten grams per medication pack (tablets), the pain reliever is available in Germany without a prescription in pharmacies. Paracetamol suppositories are not affected by this regulation due to the slower absorption of active ingredients.
Higher doses of tablets and injection solutions are subject to prescription requirements.
Since when has paracetamol been known?
Paracetamol-related substances have been studied since 1886 because of their analgesic and fever-lowering effects (acetanilide). On this basis, the US chemist Harmon Northrop Morse at Johns Hopkins University first produced the substance paracetamol in 1877. The optimization of the active ingredient from acetanilide via phenacetin to paracetamol was achieved through targeted further development of the molecular structure. Paracetamol and phenacetin were first clinically tested by the German physician Joseph von Mering as early as 1887. However, phenacetin was first found to be better, which is why paracetamol was forgotten for the time being. In 1947 David Lester and Leon Greenberg were able to show that phenacetin is metabolized to paracetamol and is just as effective as it.
Paracetamol was first marketed in the USA in 1953 by Sterling-Winthrop Co. (bought by Bayer) - as a direct competitor to Aspirin®, which was one of the few active ingredients for mild pain at the time.
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