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Pethidine is the most widely used opioid in labour and delivery. [16] It has fallen out of favour in some countries, such as the United States, in favour of other opioids, due to its potential drug interactions, especially with serotonergics, and its neurotoxic metabolite, norpethidine. [10]
Cannabis use during pregnancy should be avoided. [80] There is no known safe dose of cannabis while pregnant and use of cannabis may lead to birth defects, pre-term birth, or low birth weight. [80] Tetrahydrocannabinol (THC), an active ingredient in cannabis, can both cross the placenta and accumulates in high concentrations in breast milk. [81]
Primodos was a hormone-based pregnancy test, produced by Schering AG, and used in the 1960s and 1970s that consisted of two pills that contained norethisterone (as acetate) and ethinylestradiol. [ 1 ] [ 2 ] It detected pregnancy by inducing menstruation in women who were not pregnant.
Acetylation prevents gel-formation but increases the stabilising and emulsifying effects of pectin. [citation needed] Amidated pectin is a modified form of pectin. Here, some of the galacturonic acid is converted with ammonia to carboxylic acid amide. These pectins are more tolerant of varying calcium concentrations that occur in use. [26]
The combination is generally safe for short-term use and with recommended dosage. In doses used for the treatment of diarrhea, whether acute or chronic, diphenoxylate has not produced addiction. It may cause several side-effects, such as dry mouth, headache, constipation and blurred vision. It is not recommended for children under six years of age.
Severe side effects may include suicide and psychosis. [ 8 ] [ 7 ] Use during pregnancy may result in harm to the fetus. [ 9 ] Primidone is an anticonvulsant of the barbiturate class; [ 7 ] however, its long-term effect in raising the seizure threshold is likely due to its active metabolite, phenobarbital . [ 10 ]
Etomidate will be classed as a controlled drug on 14 February 2025 by the Dangerous Drugs Ordinance (Cap. 134), which states that illegal possession or smoking, inhaling, ingesting and injecting space oil is liable to a maximum penalty of imprisonment of seven years and a fine of HK$1,000,000, while trafficking or illegal importing etomidate is ...
Hydrogels can be used as drug delivery vehicles, for transdermal application, ophthalmic drug delivery, [11] cancer treatment [12] or for wound dressing. [ 7 ] [ 13 ] As a type of water based formulation, hydrogels are generally less greasy and are easier to be removed than oil-based formulations like organogels. [ 6 ]