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Restrict the search for
methylene blue
to a specific field?
Status:
US Previously Marketed
Source:
RONDOMYCIN by MEDPOINTE PHARM HLC
(1966)
Source URL:
First approved in 1966
Source:
RONDOMYCIN by MEDPOINTE PHARM HLC
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Methacycline is a tetracycline antibiotic. Similar to other tetracyclines, it has a wide spectrum of antimicrobial action. It is active against most Gram-positive bacteria (pneumococci, streptococci, staphylococci) and Gram-negative bacteria (E. coli, salmonella, shigella, etc.), and towards agents causing onithosis, psittacosis, trachoma, and some Protozoa. Like other tetracyclines, the general usefulness of methacycline has been reduced with the onset of bacterial resistance. Methacycline inhibits the binding of aminoacyl-tRNA to the mRNA-ribosome complex. Methacycline inhibits cell growth by inhibiting translation. It binds to the 16S part of the 30S ribosomal subunit and prevents the amino-acyl tRNA from binding to the A site of the ribosome. Methacycline is mostly used for the treatment of acute bacterial exacerbations of chronic bronchitis.
Status:
US Previously Marketed
Source:
DIAGNEX BLUE AZURE A by SQUIBB
(1958)
Source URL:
First approved in 1958
Source:
DIAGNEX BLUE AZURE A by SQUIBB
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Status:
US Previously Marketed
Source:
Orabilex by Fougera
(1958)
Source URL:
First approved in 1958
Source:
Orabilex by Fougera
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
BUNAMIODYL is an cholecystographic agent which was used to aid the radiographic visualization of the gallbladder for detecting the presence of gallstones in cholelithiasis patients. It was withdrawn from the market due to nephropathy.
Status:
First approved in 1957
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Furazolidone is a nitrofuran derivarive with broad antibacterial, antiprotazoal properties. It was used for the treatment of bacterial or protozoal enteritis and diarrhea, but now the drug is no longer prescibed in the US. The mechanism of furazolidone action is supposed to be mediated by its binding to bacterial DNA.
Status:
US Previously Marketed
Source:
DIRECT SKY BLUE by WYETH
(1953)
Source URL:
First approved in 1953
Source:
DIRECT SKY BLUE by WYETH
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Status:
US Previously Marketed
First approved in 1951
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Evans Blue (EBD) is an azo dye which has a very high affinity for serum albumin. It can be useful in physiology in estimating the proportion of body water contained in blood plasma. Evans Blue Dye is widely used to study blood vessel and cellular membrane permeability as it is non-toxic, it can be administered as an intravital dye and it binds to serum albumin – using this as its transporter molecule. The EBD–albumin conjugate (EBA) can be: (i) identified macroscopically by the striking blue colour within tissue; (ii) observed by red auto-fluorescence in tissue sections examined by fluorescence microscopy; and (iii) assessed and quantified by spectrophotometry for serum samples, or homogenised tissue. has recently been utilised in mdx mice to identify permeable skeletal myofibres that have become damaged as a result of muscular dystrophy. EBD has the potential to be a useful vital stain of myofibre permeability in other models of skeletal muscle injury and membrane-associated fragility. Evans Blue is a potent inhibitor of L-glutamate uptake into synaptic vesicles. It also inhibits AMPA and kainate receptor-mediated currents (IC50 values are 220 and 150 nM respectively). P2X-selective purinoceptor antagonist.
Status:
US Previously Marketed
Source:
NITROFURAZONE by WENDT
(1981)
Source URL:
First approved in 1945
Source:
FURACIN by SHIRE
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Nitrofurazone is used to treat burns that have become infected. It is also used to treat skin infections due to skin grafts. It works by killing bacteria or preventing their growth. The exact mechanism of action is unknown. Nitrofurazone inhibits several bacterial enzymes, especially those involved in the aerobic and anaerobic degradation of glucose and pyruvate. The severe or irreversible adverse effects of Nitrofurazone, which give rise to further complications include Peripheral neuropathy, Thromboembolic disorder.
Status:
US Previously Marketed
Source:
GENTIA-JEL APPLICATORS by WESTWOOD
(1961)
Source URL:
First marketed in 1921
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Gentian violet ((GV) hexamethyl pararosaniline, also known as crystal violet, methyl violet) is a triphenylmethane dye with anti-bacterial, anti-fungal, anti-helminithic, anti-trypanosomal, anti-angiogenic and anti-tumor properties. GV has a lengthy history and has been used successfully as monotherapy and an adjunct to treatment in a variety of diseases. Gentian violet interacts with negatively charged components of bacterial cells including the lipopolysaccharide (on the cell wall), the peptidoglycan and DNA. A similar cell penetration and DNA binding process is thought to take place for fungal cells as well. Because Gentian violet is a mutagen and mitotic poison, cell growth is consequently inhibited. A photodynamic action of gentian violet, apparently mediated by a free-radical mechanism, has recently been described in bacteria and in the protozoan T. cruzi. Evidence also suggests that gentian violet dissipates the bacterial (and mitochondrial) membrane potential by inducing permeability. This is followed by respiratory inhibition. This anti-mitochondrial activity might explain gentian violet's efficacy towards both bacteria and yeast with relatively mild effects on mammalian cells.
Status:
US Previously Marketed
Source:
Solution of Formaldehyde U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Solution of Formaldehyde U.S.P.
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Formaldehyde is a naturally occurring organic compound, and an important industrial precursor to many other materials and organic compounds. Formaldehyde solution (formalin) is used as a disinfectant. Formaldehyde vapors are toxic, upon entry formaldehyde reacts readily with macromolecules, including DNA to form DNA-protein and DNA-DNA cross-links.
Status:
US Previously Marketed
First marketed in 1921
Class (Stereo):
CHEMICAL (ACHIRAL)
Mercury, with the chemical symbol Hg (from Greek "Hydrargyros"), is the only metal adopting liquid form in room temperature. Mercury appears in seven natural isotopic forms. The metal is extracted from the mineral cinnabar, mercuric sulfide, in former times used also for paint. Mercury has fascinated people for millennia, as a heavy liquid metal. However, because of its toxicity, many uses of mercury are being phased out or are under review. It is now mainly used in the chemical industry as catalysts. It is also used in some electrical switches and rectifiers. Previously its major use was in the manufacture of sodium hydroxide and chlorine by electrolysis of brine. These plants will all be phased out by 2020. Elemental mercury is used in thermometers, blood pressure devices, and thermostats because its ability to expand and contract uniformly makes it useful for measuring changes in temperature and pressure. Mercury is also used in dental fillings, paints, soaps, batteries, and fluorescent lighting. Mercury will dissolve numerous metals to form amalgams and is used to extract gold dust from rocks by dissolving the gold and then boiling off the mercury. The amalgam used in dental fillings contains tin and silver alloyed with mercury. Because it works as a biocide, mercury has been used as a fungicide in paint, though this kind of paint is no longer sold. Mercury and its compounds used in dental practice may be responsible for release of mercury into the oral cavity. Compounds of mercury tend to be much more toxic than the element itself, and organic compounds of mercury (e.g., dimethyl-mercury) are often extremely toxic and may be responsible in causing brain and liver damage. Human exposure to mercury has increased through anthropogenic mercury emissions from fuel combustion, municipal incinerators, and chemical industries. Mercury is considered a major environmental toxicant throughout the world. Mercury is harmless in insoluble form, but vapor or soluble forms such as inorganic mercury or methylmercury can be extremely toxic to humans. Most human mercury exposure occurs through inhalation of elemental mercury vapor released from dental amalgam and through the consumption of fish contaminated with methylmercury.
