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Since medications are dosed based on your weight, it is possible that if you have been taking medication for several years without careful monitoring from a physician, that while your dose has remained the same, you are actually getting a less concentrated dose due to your larger size (if you are younger, this weight gain is pretty much inevitable, if you are older, and you are like most Americans, you may gain as many as 1 or 2 lbs. per year (hence our obesity rates are soaring). It is likely that other factors might explain this too. On the other hand, I am not aware of any data that suggest that this phenomena is inevitable or that it is even widespread. Too, there is a neutransmitter phenomenon known as receptor "down-regulation"... In theory, if a particular neurotranmitter remains at high levels over an extended period, the brain adapts by reducing the number of receptor sites and thus blunting the impact of the medication. I don't know if this phenomena has been documented with stimulants, but I do believe that it may have been observed with the opiates.

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Q: Why does Adderall effects weaken after years of taking it?
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Does Adderall interfere with metronidazole?

It is fine. I have been taking 30mg for years and when I take metradonizole 500 there have been no side effects. So I'm sure it's fine


What are the effects of taking Adderall and Synthroid together?

HI i have been taking adderall xr for a few months now and have been on synthroid for several years and as my psychiatrist & reg doctor assured me there is no added or bad or side effect from taking both these drugs. i even take them at the same time in AM now althoguh i used to wait the hour without eationg after synthroid and then eat something to take adderral when i wasnt sure how it would feel on the stomach but it seems fine.


After taking adderall for 10 years it doesn't work as well what will help?

Have your Dr up your dose or switch to a different brand of the medicine.


Can you take both Tizanidine and Adderall on the same day?

Yes I take my adderall daily, and tizanidine at night to help me sleep, both prescribed.. Been taking it for many years and no problems. Although taking them together would probably cancel each other out I'm guessing..


If a person does not have ADD or ADHD but takes Adderall on almost a daily basis and smokes marijuana what effects can this have on the person?

nothing i have been taking adderall xr 30mg for almost 8 years and i smoke almost an ounce of pot a day and i am fine it has acually helped me with my ADHD and ADD but it will not harm only in my case at least help you


Is it ok to mix Adderall and caffeine?

It is not advisable to take adderall and caffiene together. It can cause a raise in blood pressure, hyperactivity, tremors, anxiety and restlessness. If you do use caffiene, keep it to a minimum.Having said that, the other, more desirable effects can include an improvement in focus as well as energy. Assuming that you are taking adderall as medication, it should be avoided, however if you are using it to study it's not a terrible idea unless you suffer from heart disease.


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Can adderall cause urinary side effects in adults?

I've been taking adderall for a solid 5 years. Sometimes i have those days where the amphetamines keep me from eating all day. Not eating and drinking can disrupt your cycle and can make you irregular. I find that if I don't eat for a couple days, I can sometimes get a Urinary Tract Infection. If that's the case, drink a lot of cranberry juice and water to flood your system and clean out the bacteria :) hope i helped


Does Adderall affect birth control?

No, I've been taking both for years and have never had a problem.As a rule of thumb birth control pills work beside anything, but read through both of the usage information sheets and consult a doctor if still in doubt.


What is the average weight loss when taking Adderall?

Adderall affects everyone differently, so it is all about how much is taken and how often. Adderall XR will most likely cause loss of appetite (more so than regular Adderall). It all depends on how much you eat in a day. I take Adderall XR and there are times when I do not eat until dinner time. It varies for everyone.


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Adderall is a central nervous stimulant which affects chemicals in the brain that contribute to hyperactivity and impulse control. Adderall is most commonly used to treat ADHD, and also narcolepsy. Adderall is a brand-name for amphetamine. Amphetamine is a controlled substance in most countries and is only dispensed under the authorization of a doctor. Amphetamine works by increasing two chemicals in the brain: dopamine and norepinephrine. Both chemicals play a role in focus and attention, and by raising these levels amphetamine is able to help a person concentrate and sit still for longer periods of time. Adderall comes in two formulations: Adderall (Immediate release) and Adderall XR (Extended release). Adderall comes in doses of 5, 7.5, 10, 12.5, 15, 20, and 30 mg. Adderall XR is available in 5, 10, 15, 20, 25, and 30 mg doses. See related questions for information on side effects, what to avoid, and drug interactions. To put in shortly, Adderall is a combination of 4 amphetamine salts in a 3:1 ratio. Now do your own research...


Could you pee dirty for adderall and how long ill it take for me to clean pee?

Yes you can test "dirty" after taking Adderall. I am Rx'd 20mg 3 times a day and it doesn't metabolize out of your body completely for 72 hrs. If i stop taking my meds I am fine until day three when the drug has cleared from my system and I start to withdrawal I am not a Dr but I have been taking it for about 5 years now. Its an amphetamine it will show up if you don't give you'r body time to metabolize it.