With amphetamine, as with any drug, the onset is the time after which you begin to feel its effects. For amphetamine, the onset time when taken by mouth is about 20 to 60 minutes. The duration is how long you can feel the effects of the drug, in this case about 6 hours, give or take.
The duration of Amphetamine - film - is 1.62 hours.
chronic disorders are characterized by a slow onset and long duration (:
Acute
Onset of .5-1 min IV lasting 2-3 min. Onset of 2-3 min IM lasting 10-30 min
Chronic diseases are those that have a slow onset and a long duration.
Acute refers to a sudden onset or short duration of a disease or condition, typically characterized by intense symptoms. It is the opposite of chronic, which refers to long-lasting or recurring conditions.
acute endocarditis
normal neurological exam and development at onset, absence of other seizure types at onset, older age of onset, short duration of spasms, and early effective treatment of spasms
Onset of tone refers to the beginning or starting point of a musical or vocal sound waveform. It is important in creating clear and distinct tones in music and speech, influencing factors such as pitch, timbre, and duration.
Because they are quickly metabolized by the liver.
Depends on the type of insulin -- in fact, the "onset time", "peak time" and "duration" of a particular insulin differs from one type to another. You're asking about "onset time", which varies from about 15 minutes to about 3 hours depending on the insulin type and the individual. Duration can be anywhere from 3 hours to 24, again depending. See the link below ("Types of Insulin and their action profiles") for typical onset, peak, and duration numbers for various commonly sold insulins.
ic amphetamine salts are generic for Adderall IR, which contains 4 different types of amphetamine salts, racemic amphetamine aspartate monohydrate, racemic amphetamine sulfate, dextroamphetamine saccharide, and dextroamphetamine sulfate. All of these are amphetamine salts. ic amphetamine salts contain dextroamphetamine as well racemic amphetamine mixtures, which contain equal parts levo- and dextro- amphetamine. So the difference is that ic amphetamine salts (Adderall IR) contains ~75% dextoamphetamine and ~25% levoamphetamine.