Adderall vs Ritalin – Benefits, Problems

Friday, August 21st, 2009
One Ritalin Pill

Adderall vs Ritalin:

Are you confused because you don’t know which ADHD medication is the right choice or works the best?  That makes sense – there are more than 20 different variations on the market right now.

To make your life easier, we have our list of all the ADHD medications explained.  And right here, we’ll compare Adderall vs Ritalin.

The Chemical difference

Ritalin goes to brain cells and stops them from taking up dopamine and norepinephrine, which are chemicals associated with focus, motivation and pleasure.  That increases the amount of them in the general space between cells.

Adderall does the exact same thing.  It also, however, goes inside cells and make them pump out dopamine.  It is this mechanism that may explain their slightly higher strength.  But this may also damage the cells and cause the build of toxic free radicals.

More about Ritalin

Ritalin is the most commonly prescribed stimulant for ADHD, far outselling Adderall, but this doesn’t mean it’s better.  It’s just been out a lot longer.  Ritalin and ADHD are pretty much synonyms, and that association makes a big difference in doctors’ prescribing habits.

Chemically, Ritalin is derived from an amphetamine and is distantly related to cocaine. But that doesn’t mean too much. After all, coffee is also related to cocaine.

It works decently.  Roughly 55% of those who use Ritalin experience benefit. Combined with therapy, however, that number goes up to 70%.

You can get Ritalin in an instant release (IR) and extended release (XR) form.  It’s hard to say which is better.  On the one hand, extended release means more consistency and more convenience.  On the other hand, instant release might provide more of a “punch” so to speak.

More on Adderall

Adderall is a straight up amphetamine, and it works about as well as Ritalin. It too is available in IR and XR form. It’s become increasingly popular since its introduction in the 90s. And it might just be a little stronger than Ritalin.

Some studies show that kids need to take 2instant release pills of Ritalin to cover a day at school, while 1 IR of Adderall works similarly well. We also know that molecule for molecule Adderall is more potent. But that might just mean you take less of it than Ritalin.

Some other studies show that Adderall produces a slight advantage over Ritalin in treating certain symptoms. One study showed that Adderall had significant advantage in keeping people on task and helping stay focused.  But please take that study in context.  It wasn’t a rigorous clinical trial, and only examined 37 patients.

Larger, more scientific studies have also shown a slight advantage of Adderall over Ritalin.  The difference is so small that in any one given study it might not mean anything. What makes it significant is that the slight advantage of Adderall seems to occur in mulitple studies.

More interesting is that people who start Adderall might be more likely to keep on using it than Ritalin.

And in a summer school study at SUNY Buffalo, Adderall was viewed to be slightly more effective. Staff clinicians especially liked it, favoring it 3 to 1 over Ritalin, but of course they weren’t the ones taking it.

Side Effects:

Adderall may be slightly stronger than Ritalin. It may also have slightly different side effects. One clinician’s study showed that Adderall was less likely to cause anxiety and agitation, while being more likely to cause insomnia.

On the other hand, Adderall may be more neurotoxic than Ritalin. This possibility must be researched further, and is supported by studies in rats and monkeys.  You can read more about it in this article, is Stimulant Treatment for ADHD Safe?

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Is Stimulant Treatment for ADHD Safe?

Tuesday, August 4th, 2009
test

ADHD is most often treated by stimulants like Ritalin, Adderall, and Dexedrine. I’m sure you’ve heard of these medications – but what are they? What do they do?

And most importantly – are they safe?

Are Stimulants Safe?

Stimulants are powerful medications, potentially addictive, and can have very serious side effects.

They’re commonly used because they’re effective.  Up to 70% of people experience significant symptom relief on them.  And the majority of the millions of people who use them are fine.  But they do have common side effects, and can rarely cause some quite nasty things.

The most common issues with stimulant use include increased anxiety, nausea or loss of appetite, and insomnia.

The rarer and very serious side effects?  To quote an ad for Vyvanse, an ADHD medication, “new psychosis, mania, aggression, growth suppression and visual disturbances” are possible.

Heart Damage?

Stimulant use might cause heart damage over time. Stimulants typically increase heart rate by ~3-5 beats per minute and also raise blood pressure.  One study of more than 50,000 children using stimulants showed an 20% increase in risk of emergency treatment for heart problems.

Use of stimulants by someone with a preexisting heart condition is a big no-no, as they may increase risk of cardiac failure or sudden death.

Psychological problems

As mentioned, a rare but serious side effect is that stimulants can cause psychosis, or a break with reality such as paranoia, delusional thinking and hallucinations.  Most psychosis occurs in people who were already at risk – but stimulants can cause psychosis in normal people at normal doses.

Stimulants can also cause serious problems with regulating or controlling mood. They can trigger mania in bipolar patients, and cause extreme mood variation even in people not normally at risk for bipolar.

Stimulants change the brain

Do stimulants cause brain damage?  Maybe.

Studies in rats have shown that extremely high doses of amphetamines given over a short period of time cause serious damage to the production of dopamine and its transport in the brain.  This happens by causing build up of radicals and reactive oxygen species.  Methylphenidate, or Ritalin, does not cause this damage, possibly because it only blocks the receptors for reception of dopamine.

But what about normal use?

The rats did not experience neural changes or damage from doses in the normal range.  The news isn’t all good, though. Baboons and monkeys, however, did experience brain damage at normal doses, showing a significant reduction in natural production and handling of dopamine.

It’s not clear what this means.  Children who take ADHD medication, after all, have larger white brain matter than unmedicated children, indicating a neuro-positive effect.

Remember: use of stimulants in children requires extreme caution and psychological analysis because they are young, more susceptible to side effects, and still developing.

Do stimulants like Adderall and Ritalin stunt growth?

This question is extremely contentious. A number of studies have shown that stimulant use is associated with slightly reduced growth, and, on the other hand, a number have shown that they aren’t.

The evidence, in my opinion, seems to be in favor of a slight reduction in height associated with long term use.

Both sides agree  that stimulant use initially slows growth somewhat; the question is if that delay is made up for in the long run.

Stimulant use is, however, associated with some degree of weight loss in the long run.

Conclusion:

Stimulants are extremely commonly used for a reason. They work. That said, they are potent substances, and often require supportive psychological therapy on the side to achieve best results.

For someone with a history of anxiety or other psychological problems, or someone with cardiac issues, use of stimulants should be exceptionally cautious if at all.  Use in children should also be done with extreme caution and only after appropriate psychological evaluation.

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Sources:

Potential Adverse Effects of Amphetamine Treatment on Brain and Behavior: A Review
Comparative Efficacy of Adderall and Methylphenidate in Attention-deficit/Hyperactivity Disorder: A Meta-Analysis
Cardiac Safety of Methylphenidate Versus Amphetamine Salts in the Treatment of ADHD

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