Phenacetin CAS:62-44-2

Description

Phenacetin, a pain-relieving and fever-reducing drug, was discovered as an analgesic in 1887. It was one of the first synthetic fever reducers on the market and one of the first non-opioid analgesics without anti-inflammatory properties.

Phenacetin Pharmaceutical Secondary Standard - Certified Reference Material

The Phenacetin Pharmaceutical Secondary Standard is a high-quality certified reference material known for its broad applicability in pharmaceutical analysis and quality control testing. Being a non-narcotic analgesic, it renders safety and effectiveness in pain relief. The primary ingredient incorporated in this delightfully efficient secondary standard is 1-Acetyl-p-phenetidin, recognized for its analgesic and antipyretic properties.

Clinical Data

What Class Of Drug Is Phenacetin?

Phenacetin belongs to the class of drugs known as analgesics and antipyretics. These drugs are primarily used for:

Pain Relief (Analgesic)

Phenacetin was historically prescribed to relieve mild to moderate pain, such as headaches, neuralgia, and other chronic pain conditions.

Fever Reduction (Antipyretic)

It was commonly used to lower high body temperatures associated with fevers.

Mechanism of Action

Prodrug Nature: Phenacetin is a prodrug, meaning it is metabolized in the body to its active form, paracetamol (acetaminophen).

Action: It works by inhibiting prostaglandin synthesis in the brain, which helps reduce pain and regulate body temperature.

Modern Status and Safety Concerns

While phenacetin was widely used for decades, it has been largely discontinued or banned in many countries due to serious safety concerns, including:

Risk of kidney damage (analgesic nephropathy)

Potential to cause methemoglobinemia (a condition where hemoglobin cannot carry oxygen effectively)

Carcinogenic properties

What Is Phenacetin Powder?

Phenacetin powder is the powdered form of phenacetin, a synthetic compound historically used as a medication. It was primarily employed as an analgesic (pain reliever) and antipyretic (fever reducer).

Key Features of Phenacetin Powder

Chemical Composition:

Chemical name: N-(4-ethoxyphenyl)acetamide

Molecular formula: C10H13NO2

Appearance: A fine, white or off-white crystalline powder.

Applications:

Historically used in the treatment of mild to moderate pain and fever.

Often included in compound analgesics alongside other medications like aspirin and caffeine.

Mechanism of Action:

Phenacetin acts by inhibiting the synthesis of prostaglandins, chemicals in the body that cause pain and inflammation.

It is metabolized in the liver to paracetamol (acetaminophen), which provides the therapeutic effects.

Discontinuation and Risks

Phenacetin powder is no longer widely used in medicine due to significant health concerns:

Kidney Damage: Long-term use was linked to analgesic nephropathy, a condition causing kidney failure.

Carcinogenic Risks: Classified as a potential carcinogen, particularly linked to bladder cancer.

Toxicity: May cause methemoglobinemia, a condition impairing oxygen transport in the blood.

Modern Usage

While banned in many countries for medical purposes, phenacetin powder is sometimes still encountered in:

Illicit Applications: Used as a cutting agent in the adulteration of recreational drugs due to its similar appearance to certain drugs.

Research: Occasionally used in laboratory settings for scientific studies.

Historical Uses And Benefits :

Phenacetin gained widespread recognition for its potent analgesic and antipyretic properties. Historically, it was a common choice for alleviating mild to moderate pain, including headaches, menstrual cramps, and muscle aches. Its efficacy in providing relief from these everyday discomforts made it a staple in many households and medical practices. Beyond its pain-relieving capabilities, phenacetin was also valued for its ability to reduce fever, making it a critical component in treatments for colds and flu. The combination of pain relief and fever reduction provided by phenacetin addressed multiple symptoms simultaneously, enhancing its appeal.

In the past, phenacetin was frequently included in over-the-counter medications and prescription formulations. Its versatility allowed it to be used in a variety of products aimed at managing common ailments. For individuals suffering from headaches, phenacetin offered a quick and effective solution, helping to restore comfort and functionality. Menstrual cramps, often a source of significant discomfort for many women, were also effectively managed with phenacetin, providing much-needed relief. Muscle aches, whether from overexertion or minor injuries, could be soothed by this reliable analgesic, making it a go-to option for temporary pain management.

Additionally, phenacetin's role in reducing fever solidified its place in cold and flu remedies. Fever is a common symptom of many illnesses, and the ability to lower body temperature can significantly improve patient comfort and recovery. Phenacetin's dual-action as a pain reliever and antipyretic made it an essential component of many combination therapies designed to tackle multiple symptoms at once. This multi-symptom approach was particularly beneficial during flu season or in the treatment of viral infections, where managing fever and pain simultaneously is crucial. As a result, phenacetin became a popular choice among individuals seeking comprehensive relief from common ailments, despite the later recognition of its potential health risks.

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