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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]
Phenylephrine, sold under the brand names Neosynephrine and Sudafed PE among others, is a medication used as a decongestant for uncomplicated nasal congestion in the form of a nasal spray or oral tablet, [5] to dilate the pupil, to increase blood pressure given intravenously in cases of low blood pressure, and to relieve hemorrhoids as a suppository.
Phenylephrine is an oral medication primarily used as a decongestant. [5] [6] It is a selective α 1-adrenergic receptor activator which results in the constriction of both arteries and veins. [5] Common side effects include nausea, headache, and anxiety. [5] Phenylephrine was patented in 1927 and came into medical use in 1938. [7]
Contraindications to breastfeeding are those conditions that could compromise the health of the infant if breast milk from their mother is consumed. Examples include galactosemia , untreated HIV , untreated active tuberculosis , Human T-lymphotropic virus 1 or II , uses illicit drugs , or mothers undergoing chemotherapy or radiation treatment .
But if you’ve used phenylephrine at the recommended dosage in the past, you don’t need to worry. FDA advisers didn’t flag any new side effects or dangers when taken as directed.
The pregnancy category of a medication is an assessment of the risk of fetal injury due to the pharmaceutical, if it is used as directed by the mother during pregnancy. It does not include any risks conferred by pharmaceutical agents or their metabolites in breast milk. Every drug has specific information listed in its product literature.
After an FDA advisory committee said the decongestant phenylephrine, an ingredient found in many oral cold and flu medications, is ineffective, experts weigh in on alternatives.
Pregnancy: can be used, may require dosage adjustment [13] Breastfeeding: amount found in breast milk is insignificant, harm caused to foetus not well studied [14] Renally impaired: consider reducing initial and maintenance doses [15]