Doctor insights on: My vyanse not working

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Vyvanse (Definition)

Lisdexamfetamine is a medication to treat ...Read more


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Typically how long does it take for 20 mg of Vyvanse (lisdexamfetamine) to start working?

No studies exist on: Onset & duration of action of Vyvanse (lisdexamfetamine) in teens. In children 6-12, the average time for onset is 1.5 hours & duration is 13 hours. Vyvanse (lisdexamfetamine) is inactive till the d-amphetamine is cleaved from what becomes lysine. Times vary depending on how fast a patient metabolizes the drug. Your dose will be titrated weekly by 10-20 mg. For optimal effect, unless side effects occur. Check BP & heart rate often. ...Read more

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Vyvanse (lisdexamfetamine) 40 mg took at 9:30am started to experience come down symptoms at 1:30pm. At 2:30 seems to have quit working. Do I need higher dose?

Titration of a: stimulant medication to an optimal dose requires weekly communication between prescriber & patient, if an adult. Parents & teachers send me weekly follow-up questionnaires on which they document severity of ADHD symptoms mornings & afternoons during titration, reporting an " average day" during that week. Your doctor will ^ your dose by 10 mg./week to 70 mg., the maximum adult dose of Vyvanse (lisdexamfetamine). ...Read more

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What is an average mg of Vyvanse (lisdexamfetamine) for a 6'3 175lbs male. I am taking 40mg but it is not working very well. Also, is Vyvanse (lisdexamfetamine) the least side effect med?

What is an average mg of Vyvanse (lisdexamfetamine) for a 6'3 175lbs male. I am taking 40mg but it is not working very well. Also, is Vyvanse (lisdexamfetamine) the least side effect med?

No "average" dose: I never base anti-add med dosing on size, age or gender. The dose needs to be titrated until it is the right "size" for your brain, for your life. Keep working with a md expert in add management.
Vyvanse is an excellent med for many, but it may or may not be the best med for you. Side effects need to be minimized, not accepted. Again, keep working with md til you get the treatment effect you need. ...Read more

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Has taken more than prescribed dose in the past of vyvanse (lisdexamfetamine) and adderall ir, if 50mg vy isn't working what are healthier options.

Has taken more than prescribed dose in the past of vyvanse (lisdexamfetamine) and adderall ir, if 50mg vy isn't working what are healthier options.

Your prescriber will: Determine the dose necessary based on your response and any side effects. If 50 mg Vyvanse (lisdexamfetamine) is not helping at all then prescriber may switch to methylphenidate, Strattera, Intuniv or any combination. If 50 mg Vyvanse (lisdexamfetamine) is helpful without adverse effects then prescriber may increase dose until best response as long as no significant adverse effects occur. Best regards for relief. ...Read more

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My son takes 60 mg of Vyvanse (lisdexamfetamine) at 6:45 am and by 12:13 pm he says it quits working and he drops in energy and becomes unfocused. He is 6'4 and 200#?

My son takes 60 mg of Vyvanse (lisdexamfetamine) at 6:45 am and by 12:13 pm he says it quits working and he drops in energy and becomes unfocused. He is 6'4 and 200#?

Need more: Often times an increase in dosing of the stimulant can help increase its length of duration. However, an alternative option may be to add a dose of Adderall (dextroamphetamine and racemic amphetamine) in the afternoon. ...Read more

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I take Vyvanse (lisdexamfetamine) 40mg but don't feel as it is working? What ADHD medication is best to take for studying and test? I just have trouble in school.

Vyvanse (lisdexamfetamine): Not sure what dose u were started on & for how long until u reached 40mg. The maximum allowed dose can be 70 mg. Per day, so please talk to your prescribing doc. If you are showing inadequate response on current dose. ...Read more

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I take Vyvanse (lisdexamfetamine) 40 mg, it seems to not be working I tried taking two still nothing. What is the next step to take? Good medicine for ADHD and anxiety?

I take Vyvanse (lisdexamfetamine) 40 mg, it seems to not be working I tried taking two still nothing. What is the next step to take? Good medicine for ADHD and anxiety?

Many options: Some adults respond well to Wellbutrin, (bupropion). Strattera is another good medication for ADHD with anxiety. There are many other options best discussed with your prescribing physician ...Read more

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I am on fluoxetine, clanazopan and vyvanse (lisdexamfetamine). These new meds aren't working and I can't control my anxiety Any other meds to for me to suggest to my dr?

I am on fluoxetine, clanazopan and vyvanse (lisdexamfetamine). These new meds aren't working and I can't control my anxiety Any other meds to for me to suggest to my dr?

Psychiatrists know: That patients with valid diagnoses of ADHD & comorbid anxiety disorders need long-term, consistent Cognitive-Behavioral & other therapies by a psychologist & ADA accommodations at work or school. They also know stimulants increase anxiety, fluoxetine ^es effects & side effects of Vyvanse (lisdexamfetamine) & risk of Serotonin Syndrome, Clonazepam ^es side effects of fluoxetine, & non-stimulant options exist. ...Read more

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Will working out while taking Vyvanse (lisdexamfetamine) speed up my heart rate too much?

Will working out while taking Vyvanse (lisdexamfetamine) speed up my heart rate too much?

Probably not: The body's system that regulates many such automatic responses works on a feedback mechanism, so equilibrium of these functions is achieved after initiating medication. If you monitor heart rate closely, for example on a treadmill or elliptical, you will likely find very little difference in pre & post-medication rates.
As usual, check with your doctor for any perceived symptoms. ...Read more

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My doctor put me on Vyvanse (lisdexamfetamine) today. But I still felt sleepy at work and fell asleep. I'm so placebo I never know if it's working. Is it the dosage?

My doctor put me on Vyvanse (lisdexamfetamine) today. But I still felt sleepy at work and fell asleep. I'm so placebo I never know if it's working. Is it the dosage?

Yes: If you just started, the doctor probably gave you a low dose to make sure you do not get side effects or an allergic reaction. If it was 20 mg as stated above that is a starting dose and vyvanse (lisdexamfetamine) can be increased soon. I do not know what you mean by placebo, but obviously if you don't notice it working then it is not a placebo. Stick with it and wait to maximize the dose. It can go as high as 60 mg. ...Read more

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I was prescribed 40 mg vyvanse, but I'm really scared to take it because I don't like things that change the way I think.

Vyvanse.: There are two ways to approach this. One would be to start a lower dose - I believe you can take as little as 10mg of Vyvanse daily to start. The other would be to not take it and discuss your concerns with your provider - maybe there’s another way to go for treatment. ...Read more

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What makes up Vyvanse other than its active compound? In other words, what additional compounds or elements, chemicals, 'inerts' etc are in the drug?

Vyvanse is a prodrug: Its chemical structure consists of dextroamphetamine coupled with the essential amino acid, L-lysine, called Lisdexamfetamine (L-lysine-dextroamphetamine). It must be converted in the body to the active stimulant, dextroamphetamine. It is useful for treatment of ADHD because the time necessary for the body to convert it allows it to be active much longer than dextroamphetamine itself. ...Read more

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My son takes vyvanse and has for about a year and a half...lately he has been very anxious and worried about things beyond his control...anziety I get but things beyond his control (someone breaking in because it was on the news, accidents where someone h

My son takes vyvanse and has for about a year and a half...lately he has been very anxious and worried about things beyond his control...anziety I get but things beyond his control (someone breaking in because it was on the news, accidents where someone h

ADHD and Anxiety: Fears that are irrational are common throughout out childhood. I wouldn't think this is a side effect of his medication as he has been on the medication for awhile. If his fears continue on a regular basis and seem to impact his functioning, it would be helpful for him to talk to a therapist. ADHD and anxiety can sometimes occur together. ADHD and anxiety are treatable. ...Read more

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What is Vyvanse (lisdexamfetamine) for?

ADD and ADHD: It is an approved medication to treat attention deficit disorder and hyperactivity disorders in children and adults. ...Read more

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Side affects of vyvanse (lisdexamfetamine)?

Side affects of vyvanse (lisdexamfetamine)?

Many: You can look up the side-effects to drugs on the internet. Vyvanse (lisdexamfetamine) is a stimulant medication and actually has too many side effects to even begin to list them all here. One side-effect is psychosis. Another one is depression. Anxiety and insomnia are common side-effects. It can cause high blood pressure. Weight loss is common. Feeling jittery and hyper is not unusual with vyvanse (lisdexamfetamine). Addiction also. ...Read more

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What is 40 mg Vyvanse (lisdexamfetamine) used for?

What is 40 mg Vyvanse (lisdexamfetamine) used for?

Vyvanse: a medicine: Indicated for the treatment of Attention Deficit Hyperactivity Disorder. The active ingredient is dextroamphetamine. It is once-daily, a controlled substance, comes in milligram doses of 20, 30, 40, 50, 60, and 70, and (after careful evaluation) requires prescription and careful monitoring and adjustment for response and side effects. ...Read more