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1,4-Dichlorobenzene (1,4-DCB, p-DCB, or para-dichlorobenzene, sometimes abbreviated as PDCB or para) is an aryl chloride and isomer of dichlorobenzene with the formula C 6 H 4 Cl 2. This colorless solid has a strong odor. The molecule consists of a benzene ring with two chlorine atoms (replacing hydrogen atoms) on opposing sites of the ring.
Ear drops should only be used in the affected ear. Ear drops are usually used for a short duration of time. Make sure to only use it as prescribed. [7] Cotton buds should not be used to clean the inside of the ear since this can cause inflammation and make things worse. [7] Ear drops should not be used for a ruptured eardrum (a hole or tear in ...
Antipyrine and benzocaine ear drops is a medication for the treatment of ear pain caused by otitis media. It combines antipyrine , an NSAID , and benzocaine , a local anaesthetic in order to treat ear pain, alongside hydroxyquinoline sulfate, an antiseptic and preservative.
1,2-Dichlorobenzene or ortho-dichlorobenzene; 1,3-Dichlorobenzene or meta-dichlorobenzene; 1,4-Dichlorobenzene or para-dichlorobenzene. All three isomers are colorless chlorobenzenes with the formula C 6 H 4 Cl 2. They differ structurally based on where the two chlorine atoms are attached to the ring.
Phenazone (INN and BAN; also known as phenazon, antipyrine , antipyrin, [1] or analgesine) is an analgesic (pain reducing), antipyretic (fever reducing) and anti-inflammatory drug. While it predates the term, it is often classified as a nonsteroidal anti-inflammatory drug (NSAID).
Paregoric was used in various formulations for hundreds of years. [citation needed] Paregoric was a household remedy in the 18th and 19th centuries when it was widely used to control diarrhea in adults and children, as an expectorant and cough medicine, to calm fretful children, and to rub on the gums to counteract the pain from teething.
Cerumenolytics are administered directly into the ear, which is a form of topical administration that can be specified as "ototopical." [3] [4] Generally, the use of a cerumenolytic involves instilling several drops of the product into the affected ear once or twice daily for a treatment duration of 3 to 5 days.
Para block. The chemicals composing the block vary. The original formulations were based upon naphthalene and then later para-dichlorobenzene, both now known to be hazardous to health by inhalation. In some areas, the use of para-dichlorobenzene-based blocks has been banned; in other areas para-dichlorobenzene blocks or "para blocks" are still ...