Getting Started

Good stuff to know.

Dosing
INFO
FIND OUT
MORE
Quick
Tips

Once-daily capsule

Mydayis is approved in two strengths to treat ADHD symptoms in teens.

Mydayis is available in 2 strengths for teens: 12.5 mg (recommended starting dose) and 25 mg (max dose)

Capsules not shown at actual size

The right starting dose

The recommended starting dose for Mydayis is 12.5 mg once daily in the morning right when your teen wakes up. Your teen’s doctor or nurse practitioner may adjust their prescription to find the right dose for them. Please make sure your teen takes Mydayis exactly as prescribed, once in the morning with or without food.

For adult patients, Mydayis is available in four strengths: 12.5 mg, 25 mg, 37.5 mg, 50 mg.

Before taking Mydayis, tell your teen’s HCP about all of their medical conditions, including if they:

have heart problems, heart defects, or high blood pressure
have mental problems including psychosis, mania, bipolar illness or depression, or have a family history of suicide
have circulation problems in fingers and toes
have or have had seizures
have kidney problems. Your teen should not take Mydayis if they have end stage renal disease (ESRD).
are pregnant or plan to become pregnant. It is not known if Mydayis will harm their unborn baby. Tell your teen's healthcare provider if they become pregnant during treatment with Mydayis.
are breastfeeding or plan to breastfeed. MYDAYIS passes into breast milk. Mydayis users should not breastfeed during treatment.

Choosing the right formulation

Mydayis is a once-daily treatment.

Mixed Amphetamine Salts (MAS) formulations similar to Mydayis have been prescribed for over 20 years for the treatment of ADHD (attention deficit hyperactivity disorder). Download our discussion guide before talking to your teen’s doctor about different types of ADHD medications, and what they can expect when starting Mydayis.

Find Out More

Triple-bead delivery provides a prolonged dose of ADHD medication throughout the day: Extended medication delivery. Our triple-bead delivery provides a prolonged dose of Mydayis throughout the day.

Mydayis may help to provide ADHD-symptom reduction in adolescents (ages 13-17): Improved Attention. Mydayis is for adolescents who could benefit from ADHD symptom reduction.

Mydayis in the morning may help you reduce your teen's ADHD symptoms up to 16 hours after dosing measured from 2 hours.: Once-daily dosing. Each daily dose should be taken exactly as prescribed by the doctor. Mydayis in the morning may help improve ADHD symptoms up to 16 hours after dosing, measured from 2 hours, in patients aged 13 to 17.

Potential Side Effects: Potential side effects. The most common side effects reported in adolescents were decreased appetite, nausea, insomnia, irritability, and weight loss.
See Side Effects

Taking Mydayis

Take Mydayis 1 time each day in the morning right upon waking up. Mydayis may last up to 16 hours and can cause difficulty sleeping.
If your teen misses a dose of Mydayis, they should not take the dose later in the day or double the dose to make up for a missed dose. Take the Mydayis dose the next morning at their regularly scheduled time.
Mydayis can be taken with or without food as long as it’s taken the same way each time.
Mydayis capsules may be swallowed whole, or if Mydayis capsules cannot be swallowed whole, the capsules may be opened and sprinkled over a spoonful of applesauce.
- swallow all of the applesauce and medicine mixture right away
- do not chew the applesauce and medicine mixture
- do not store the sprinkled applesauce

Your teen’s doctor may sometimes stop Mydayis treatment for a while to check ADHD symptoms.
Your teen’s doctor may change the dose if needed.
Your teen’s doctor may do regular checks of their heart and blood pressure while they take Mydayis.
If your child takes too much Mydayis, call your child’s doctor or the poison control center at 1-800-222-1222 right away, or get to the nearest hospital emergency room.

Additional information about using Mydayis responsibly

Keep Mydayis and all medicines out of the reach of children.
Store the medicine in a safe place, like a locked cabinet.
Don’t give Mydayis to other people, even if they have the same condition. It may harm them and it is against the law.

Dispose of remaining, unused, or expired Mydayis by a medication take-back program. If none are available, mix Mydayis with an undesirable, nontoxic substance such as used coffee grounds, and place the mixture in a sealed plastic bag and throw it away in household trash.

Understand the differences between Mydayis and other Mixed Amphetamine Salts medications.

Making the most of Mydayis

1: Take it daily. Once the prescription is started, it’s important for your teen to take Mydayis exactly as directed by their doctor. Missing a dose could impact the way they respond to Mydayis. You can help them remember by setting a "Wake up! Mydayis!" alarm on your phone and their phone.

2: Take it early. It’s important to know when their day begins and ends so they can take their dose accordingly. Mydayis should be taken in the morning right after waking up. Remind your teen to avoid afternoon doses as it may last up to 16 hours and can cause them to have trouble sleeping.

3: Read up.The more you know about ADHD, the better you can help your teen manage their condition. Learn as much as possible from as many different resources as you can. Here’s a good place to start.

4: Make the most of doctor check-ins. Log your teen’s symptoms and share them with their doctor. Have they been more or less attentive?
Also, keep track of any side effects and share them with their doctor. Is your teen noticing any changes that bother them? Download the discussion guide.

5: Get support. Talk to your teen’s doctor about adding counseling to their treatment plan. Therapy may help them develop coping techniques and learn ways to manage their symptoms.

Savings Offer

FAQ

Important Safety Information

Abuse and dependence. Mydayis, other amphetamine containing medicines, and methylphenidate have a high chance for abuse and can cause physical and psychological dependence. Your healthcare provider should check you or your child for signs of abuse and dependence before and during treatment with Mydayis.

Tell your healthcare provider (HCP) if you or your child have ever abused or been dependent on alcohol, prescription medicines, or street drugs. Your HCP can tell you how physical and psychological dependence and drug addiction are different.

Mydayis is a federally controlled substance (CII) because it contains amphetamine that can be a target for people who abuse prescription medicines or street drugs. Keep Mydayis in a safe place to protect it from theft. Never give Mydayis to anyone else, because it may cause death or harm them. Selling or giving away Mydayis may harm others and is against the law.

Who should not take Mydayis?

Do not take Mydayis if you or your child is:

allergic to amphetamine or any of the ingredients in Mydayis. See Medication Guide for a list of ingredients.
taking or have taken a medicine for depression (monoamine oxidase inhibitor [MAOI]) within the past 14 days.

Serious problems can occur while taking Mydayis. Tell your HCP:

if you or your child have heart problems, heart defects, high blood pressure, or a family history of these problems. Sudden death has occurred in people with heart problems or defects taking stimulant medicines. Sudden death, stroke and heart attack have happened in adults taking stimulant medicines. Your HCP should check you or your child carefully for heart problems before starting Mydayis. Since increases in blood pressure and heart rate may occur, your HCP should regularly check these during treatment. Call your HCP or go to the ER right away if you or your child has any signs of heart problems such as chest pain, shortness of breath, or fainting while taking Mydayis.
if you or your child have mental (psychiatric) problems, or a family history of suicide, bipolar illness, or depression. New or worse behavior and thought problems or new or worse bipolar illness may occur. New psychotic symptoms (such as hearing voices, or seeing or believing things that are not real) or new manic symptoms may occur. Call your HCP right away if you or your child have any new or worsening mental symptoms or problems during treatment, especially hearing voices, seeing or believing things that are not real, or new manic symptoms.
if your child is having slowing of growth (height or weight). The HCP should check your child’s height and weight often while on Mydayis, and may stop treatment if a problem is found. Mydayis is not for children 12 years and younger.
if you or your child have circulation problems in fingers and toes (peripheral vasculopathy, including Raynaud’s phenomenon). Fingers or toes may feel numb, cool, painful, sensitive to temperature and/or change color. Call your HCP if you or your child have any of these symptoms or any signs of unexplained wounds appearing on fingers or toes while taking Mydayis.
if you or your child have a seizure. Your HCP will stop treatment.
if you or your child have symptoms of serotonin syndrome: agitation, hallucinations, coma, or changes in mental status; problems controlling movements or muscle twitching, stiffness, or tightness; fast heartbeat; sweating or fever; nausea, vomiting or diarrhea. Call your HCP or go to the ER if symptoms occur. Serotonin syndrome may occur if Mydayis is taken with certain medicines and may be life-threatening.
if you or your child are or become pregnant or plan to become pregnant. It is not known if Mydayis may harm your unborn baby.
if you or your child are breastfeeding or plan to breastfeed. You should not breastfeed while taking Mydayis. Mydayis passes into breast milk.

What should I avoid during Mydayis treatment?

Avoid drinking alcohol during treatment with Mydayis.

What are possible side effects of Mydayis?

The most common side effects of Mydayis include:

trouble sleeping
decreased appetite
dry mouth
increased heart rate
anxiety
nausea
irritability
weight loss

What is MYDAYIS^®?

Mydayis (mixed salts of a single-entity amphetamine product) is a prescription medicine for ADHD in patients 13 years and older. Mydayis is not for children 12 years and younger.

For additional safety information, click for Medication Guide, including Warning about Abuse, and discuss with your healthcare provider.

You are encouraged to report negative side effects of prescription drugs to the FDA.
Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

Takeda is committed to helping ensure the proper use of stimulant medication. Please see the Proper Use of Prescription Stimulant Medication for additional information.

There is a pregnancy registry for females who are exposed to MYDAYIS during pregnancy. The purpose of the registry is to collect information about the health of females exposed to MYDAYIS and their babies. If you or your child becomes pregnant during treatment with MYDAYIS, talk to your healthcare provider about registering with the National Pregnancy Registry for Psychiatric Medications at 1-866-961-2388 or visit online at https://womensmentalhealth.org/research/pregnancyregistry/.