The phentermine hydrochloride is an amina psicoestimulant and an anorexic agent, with some similar pharmacological activities to those of the medicines prototype, carries out its effect estimulador on the central nervous system in all its levels, among them the central hipotalámicos of the saciedad and the appetite.
Tolerance with the use of medicines of this type has been shown. The phentermine, after its administration is absorbed with facility in the digestive tract, for which is assets orally. Its metabolización is extensive, through a complex way of biotransformation that involves to a desaminación oxidativa and reduction of many of their metabolitos that are biologically active and they can participate in the therapeutic action.
The excretion of the phentermine is mainly by renal way and by being a weak base is eliminated more quickly in acid urine. The average life that is known is around 20 hours.
