No, if it is a regular urine drug test then Ritalin should have no effect on the result as it is prescribed for many circumstances, however if specifically tested for Ritalin will show up in drug tests.

I am an adult and I started to take Ritalin 4 days ago. Usually I have dilated pupil, but with Ritalin they are quite constricted. I looked around in my text books and it is supposed to be the opposite to pupil are supposed to be more dilated. I also took effexor last month and my pupils were extra dilated (almost completely black).

Yep I am not a professional, but it is very strange. Nevertheless even if with Ritalin my pupils are constricted my eye are very sensitive to light. My own theory will be that in some person Ritalin will increase the eye sensibility to light and than limit the amount by closing the pupil. Makes sense for me but I will still look around.

It will usually pass through your system in 1-5 days naturally. You can speed the process up by drinking cranberry juice and water.

Adderall (amphetamine) and Ritalin (methyphenidate) are referred to as central nervous stimulants. However, each medication works differently in the brain. Adderall will block the re-uptake of norepinephrine and dopamine into the neurons, thereby allowing these two neuro-transmitters to increase in quantity in the brain space; Ritalin does essentially the same. However, it appears through clinical science that some patients will respond more efectively to one medication over the other. Both of these drugs are used commonly to treat ADHD (attention deficit, hyperactivity disorder). One may only obtain these medications via a prescription.

The side affects at the therapeutic dose (10-50 mg once a day) are increased attention, mental clarity, a wierd feeling of being interested in anything one comes across, acuity, appetite suppression, slightly elevated heart rate, talkativeness, compartmentalization, and a general feeling of well being. At higher doses, and when crushed and sniffed repeatedly in an addictive fashion, Ritalin provides more intense effects. Sleeplessness, high blood-pressure, no appetite/ rapid weight loss, irritability, euphoria, excitement, mood swings, grandiose thoughts, dilated pupils, blood recession (blood leaves extremities like fingers, toes, eyes, nose) causing cold/numbness.

Methylin stays in your system for 15 to 24-hours. This medication may cause side effects, such as nausea, headache, nervousness and insomnia.

No, its kind of like a dietary supplement, most likely if you eat right before you take any sort of generic brand of addy, you wont eat much of anything for the rest of the day, especially if you are focus on something like studying

Chemically, I don't know. That's what I was hoping to find. I know that if I don't take it, I know it. That day. As it has been explained to me, it lasts for the prescribed time, then is gone. That's why it's a daily dose. I take 60 mg a day. I would prefer 50 but they don't make a 50 mg dose. Nor do they make a 60 mg but I take (2) 30 mg at a time. The long acting (LA) version since my days are typically longer than 12 hours, which is the prescribed effective time. I have found that sleep deprivation, a common occurence for me, will shorten the effective time.

They are both Amphetamines and will show up as such on a drug test. They cannot distinguish what type of Amphetamine you took at an earlier date, only that Amphetamines were in your system. Most drug tests will not pick up on this drug after about 3 to 4 days later, but a hair test will! So I'd use a Hair Follicle Shampoo! Good Luck

No, since it is prescribed for various conditions it does not show up unless specifically tested for.

450000 billion years it will take to leave your body if u want it to go faster you need to have butt sex

i am sure that if u tack ritalin one time that you would be fine to tack a drug test in two days. they say on some 24 hours but if you do not have much in you system it would be gone faster.

Ritalin is a brand-name drug for methylphenidate. Methylphenidate is used to treat ADHD; it is also known as Daytrana, Concerta, and Metadate.

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Off kids with ADD/ADHD, a 20 mg goes for a dollar. Anyone charging any more is a dishonest dealer.

I don't think ritalin affects urine. I take ritalin for ADHD aand i'm pretty sure it has to relationship with pee.

1-2days

Acoording to: http://www.ipassedmydrugtest.com/drug_detection_times.asp Ritalin (Methylphenidate) is 1-2 days.

RITALIN (methylphenidate), works on the central-nervous-system in your body, as a mild stimulant. There are many uses for it, including helping people who have narcolepsy (falling asleep at inappropriate times), treats hiccups after anesthesia, treats ADHD, stroke recovery, among other things. It has a potential to be abused and become addictive. Continued abuse can cause people to have psychotic episodes. I'm sorry but the above Answer does not accurately or unbiasly depict the drug or explain or answer the question that was asked. To Answer the question, Ritalin works to increase certain nuero transmitters, specifically "Therapeutic Doses of Oral Methylphenidate Significantly Increase Extracellular Dopamine in the Human Brain".1 Dopamine is responsible for learning by increasing the "reward" response which basically tells the brain to "encode" information it learns by providing a "teaching signal" which tells the brain to "remember things" because it is good to do so. Dopamine dysfunction is responsible for decline in mental functions, such as memory, attention, and problem-solving. Ritalin Also increases Seratonin slightly "Serotonin and the Therapeutic Effects of Ritalin".2 1. http://www.jneurosci.org/cgi/reprint/21/2/RC121.pdf 2. http://www.sciencemag.org/cgi/content/full/288/5463/11a?ck=nck hope this helps :)

Absolutely....while there's not really any tests to say so, I see no reason why not, and have done so many times. Theanine is great for smoothing out the sometimes rough edges of Ritalin, as well as making for a more cozy and comfortable landing when the Ritalin wears off.

It is always important that there is good communication between your physicians. Talk to them and let them decide what treatment is appropriate. I'd say it's especially important in this case as both supplemental thyroid hormone and add stims can affect your heart.