(I am not a doctor) Lamictal will only affect a drug test if it's included in the list of drugs they're looking for. It is of course a "controlled substance" and if you aren't prescribed it, you shouldn't be taking it.
Tonic water does not affect the results of a drug test. Tonic water does not show up as a prohibited substance on a drug screening nor does it prevent the test from detecting substances.
no but some foods can
Yes
Some antidiarrheal drugs can affect the results of drug tests. One example is loperamide, which is the active ingredient in Imodium. The reason that it can affect a drug test is that it is an opioid.
I know that marijauna and methamphetamines will not cause you to fail a drug test. However I have heard that Ectasy may affect the results of a drug test.
no doz is caffiene.
no. when you take a drug test anyway you must always state if you are taking any medication.
yes
No.
There are a lot of factors which can affect passing a drug test. First what kind of drug test you are going to take, are you a heavy user, what drug you use, what is your body type etc...
no till now there is no proof of interferance of this drug with any sort if pregnancy test