Phentermine hydrochloride :
Phentermine diet pill is the most effective weight loss giving high energy and depressing apatite
Drugs of this class used in obesity are
commonly known as "anorectics" or "anorexigenics". It has not been
established that the action of such drugs in treating obesity is
primarily one of appetite suppression. Other central nervous system
actions, or metabolic effects, may be involved, for example.
Phentermine is a sympathomimetic amine with pharmacologic
activity similar to the prototype drugs of this class used in obesity,
the amphetamines. Actions include central nervous system stimulation
and elevation of blood pressure. Tachyphylaxis and tolerance have been
demonstrated with all drugs of this class in which these phenomena have
been looked for.
phentermine side effects : In general medicines may cause side effects, but many people have no, or minor, side effects exaggerated sense of well being; overstimulation; restlessness; sleeplessness; upset
stomach Bad taste in mouth; constipation; diarrhea; difficulty sleeping;
dizziness; dry mouth;
Adult
obese subjects instructed in dietary management and treated with
"anorectic" drugs, lose more weight on the average than those treated
with placebo and diet, as determined in relatively short-term clinical
trials.
The magnitude of increased weight loss of drug-treated
patients over placebo-treated patients is only a fraction of a pound a
week. The rate of weight loss is greatest in the first weeks of therapy
for both drug and placebo subjects and tends to decrease in succeeding
weeks. The possible origins of the increased weight loss due to the
various drug effects are not established. The amount of weight loss
associated with the use of an "anorectic" drug varies from trial to
trial, and the increased weight loss appears to be related in part to
variables other than the drugs prescribed, such as the
physician-investigator; the population treated and the diet prescribed.
Studies do not permit conclusions as to the relative importance of the
drug and non-drug factors on weight loss.
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The natural history of
obesity is measured in years, whereas the studies cited are restricted
to a few weeks´ duration; thus, the total impact of drug-induced weight
loss over that of diet alone must be considered clinically limited.
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