Product InformationRegistration Status: Active
OILY PHENOL INJECTION BP 5% is approved to be sold in Singapore with effective from 1989-06-05. It is marketed by PHEBRA (SE ASIA) PTE LTD, with the registration number of SIN02735P.
This product contains Phenol 5% in the form of INJECTION. It is approved for SUBMUCOSAL use.
This product is manufactured by HOSPIRA AUSTRALIA PTY LTD in AUSTRALIA.
It is a Prescription Only Medicine that can only be obtained from a doctor or a dentist, or a pharmacist with a prescription from a Singapore-registered doctor or dentist.
Phenol is an antiseptic and disinfectant. It is active against a wide range of micro-organisms including some fungi and viruses, but is only slowly effective against spores. Phenol has been used to disinfect skin and to relieve itching. Phenol is also used as an oral analgesic or anesthetic in products such as Chloraseptic to treat pharyngitis. Additionally, phenol and its related compounds are used in surgical ingrown toenail treatment, a process termed phenolization. Research indicates that parental exposure to phenol and its related compounds are positively associated with spontaneous abortion. During the second world war, phenol injections were used as a means of execution by the Nazis. Phenol is a toxic compound whose vapours are corrosive to the skin, eyes, and respiratory tract.
Phenol is primarily indicated for minor sore throat pain, sore mouth, minor mouth irritation, and pain associated with canker sores. Additionally, phenol is indicated in the treatment of focal spasticity.
Mechanism of Action
Phenol is a potent proteolytic agent. Concentrations in the 5% to 7% range dissolve tissue on contact via proteolysis. In high concentrations when injected next to a nerve, phenol produces a chemical neurolysis which is nonselective across nerve fiber size and most prominent on its outer aspect. Local anesthetic effects occur within 5-10 minutes.
- Phenol is rapidly absorbed through the skin and into the lungs.
- At I5 min after exposure, the liver contained the highest level of phenol, consisting mainly of free phenol. After 82 minutes post administration, phenol is uniformly distributed in the liver, blood, kidneys, lungs, along with the heart, testes, thymus and the spleen. With the passage of time, the proportion of free to conjugated phenol changed. By 360 minutes most phenol appears in conjugated forms.
- Phenyl sulfate, phenyl glucuronide, quinol sulfate, and quinol glucuronide were detected in human beings as phenol metabolites.
In rabbits, 72% is excreted in the urine, 1% in the feces, 4% in the carcass following sacrifice, and trace amounts were exhaled.
Mouse, Subcutaneous, LD50: 0.3-0.35 g/kg. (Duplay and Cazin, 1891; Tollens, 1905). Rat, Subcutaneous, LD50: 0.45. (Deichmann and Witherup, 1944). Rat, Oral, LD50: 0.53. (Deichmann and Witherup, 1944). Rat, Oral, LD50: 0.65. (Flickinger, 1976). Rat, Cutaneous, LD50: 0.67. (Conning and Hayes, 1970).
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Source of information: Drugbank (External Link). Last updated on: 3rd July 18. *Trade Name used in the content below may not be the same as the HSA-registered product.