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Methylephedrine, sold under the brand name Metheph among others, is a sympathomimetic medication described as an antiasthmatic agent and used to treat coughing and nasal congestion. [ 3 ] [ 4 ] [ 1 ] It is reported to be used in various over-the-counter cough and cold preparations throughout the world, including Japan .
The liquid version of NyQuil Cold/Flu Multi-symptom Relief, available in syrup and LiquidCap form. The recommended adult dose contains: Acetaminophen (650 mg/30 mL) (pain reliever/fever reducer) Dextromethorphan (30 mg/30 mL) (cough suppressant) Doxylamine succinate (12.5 mg/30 mL) (antihistamine/hypnotic) Alcohol (10% by volume)
Levmetamfetamine is used to treat nasal congestion related to the common cold and allergic rhinitis. It is available in the form of an inhaler containing 50 mg total per inhaler and delivering between 0.04 and 0.15 mg of the drug per inhalation. [2]
The ATC system also includes defined daily doses (DDDs) for many drugs. This is a measurement of drug consumption based on the usual daily dose for a given drug. According to the definition, "[t]he DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults." [15]
As a cough suppressant, the polistirex version lasts up to 12 hours. This duration also holds true when used recreationally. In 1981, a paper by Gosselin estimated that the lethal dose is between 50 and 500 mg/kg. Doses as high as 15–20 mg/kg are taken by some recreational users.
The CDC announced new guidelines on isolation for people with COVID-19: stay home if you feel sick, come back when you've gone a day without fever. CDC relaxes guidance for COVID isolation, no ...
Doctors have long urged people ages 50 and older to get a shot to protect against bacterial pneumonia.
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