Amphetamines are a type of stimulant that increases the release of both dopamine and norepinephrine. These products are available in the following strengths:.
Amphetamines are also available in both long-acting and short-acting formulations. We discuss each amphetamine stimulant in more detail below. Dextro-amphetamine is the main active ingredient in Adderall XR. Doctors can prescribe this medication to children, adolescents, and adults with ADHD. As a long-acting medication, it provides symptom control for 10—12 hours. Sometimes, doctors will need to prescribe a short-acting amphetamine drug to provide symptom control later in the afternoon.
Vyvanse contains lisdexamfetamine, which is an inactive form of amphetamine. When a person takes Vyvanse, their body transforms the inactive medicine into dextroamphetamine. Vyvanse has similar effects to Adderall XR. Adults who take Vyvanse can gain 14 hours of symptom control. Dexedrine Spansules will last about 6—8 hours. The Dexedrine tablet will only last 3—5 hours, so people tend to use it once the long-acting drug wears off later in the day.
Nonstimulant medications act on a set of different pathways that offer another treatment option. Doctors may prescribe nonstimulant medications in combination with stimulants or alone. Some people cannot tolerate the side effects of stimulant medications and can only take nonstimulants. When people use nonstimulant medications, they may only notice their symptoms start to improve after about 6—8 weeks.
As a result, this treatment is not appropriate for people who require urgent symptom control. There are two nonstimulant drugs for ADHD available, and their strengths are listed in the following table:. Strattera may be beneficial for people with ADHD who also have anxiety, as stimulants can make anxiety worse. Doctors can prescribe Strattera to children, adolescents, and adults. People can take both stimulant medications and Strattera if necessary.
The most notable side effects of Strattera include nausea and stomach upset. People should not open Strattera capsules because the medication may irritate the eyes. They must swallow Strattera capsules whole, which can be challenging for some people. The major benefit of this medication is that its effect can last into the evening and early morning. Children with other challenges, such as anxiety, aggression, and tics, can use Intuniv XR.
When a person starts taking Intuniv XR, they may experience fatigue and a lowering of their blood pressure and pulse. These side effects may also occur when they increase the dosage. People taking Intuniv XR must let their doctor or pharmacist know if they are taking any medications for their heartbeat.
People should exercise caution when taking such drugs to prevent the heart rate from getting too low. Doctors and pharmacists should remind caregivers not to abruptly stop administering Intuniv XR to their children because blood pressure and pulse may increase. Caregivers should wean children off of Intuniv XR gradually. Int J Neuropsychopharmacol. Epub Oct National Library of Medicine U. National Institutes of Health U. Department of Health and Human Services.
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Attention Deficit Hyperactivity Disorder. Phase 4. Study Type :. Interventional Clinical Trial. Actual Enrollment :. Study Start Date :. Actual Primary Completion Date :. Actual Study Completion Date :. The optimal dosage will maintain for 4 to 6 weeks Other Name: Concerta. Active Comparator: atomoxetine the group treated by atomoxetine. Drug: Atomoxetine The dosage begins with 0.
Other Name: Strattera. Published: May 04, Researchers shared interim results of the first children to complete the three-week community-based trial today at the th Annual Meeting of the American Psychiatric Association.
Some people who have taken Ritalin have also experienced blood circulation problems in their fingers and toes. New or worsening psychiatric symptoms have also been reported. However, most of their similarities end there.
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