There three that may be seen: an synergistic (adding to) effect, an antagonistic (acting against) effect and an accumulative (heaping) effect. The first and third are somewhat alike except that the accumulative effect takes a period of time. If you ate one donut and then ate 5 more later and got sick, that would be what the accumulative effect is like.
Yes one drug can alter another drug....for for example if you smoke weed and take xanax you feel the difference in your high.
Yes, drugs interact.
Drug Interactions.
Inverse Agonist.
synergism
One side effect listed for the drug trangorex is hypothyroidism. Another side effect of the drug is interstitial lung disease.
No. They are completely different chemical processes and will not effect one another on a drug test.
One term for it is potentiation.
The increase in One increases the Other. What alters the friction effects between Surfaces is another matter.
a gateway drug
The population will decrease-- APEX
That phenomenon is called drug interaction.
The answer will vary from one person to another, one drug to another, how long the addiction has lasted, the motivation for stopping.
Paying off one loan by getting another loan will decrease one liability and increase another.