Metadate ER Warnings and Precautions

Specific Metadate ER Warnings and Precautions

Precautions and warnings to be aware of before taking Metadate ER include the following:
  • Stimulants (including Metadate ER) are often abused. Taking drugs of this type for a long time can lead to drug dependence (see Metadate Abuse). Because Metadate ER is commonly abused, there are special rules for prescribing it (see Metadate: A Controlled Substance).
  • In people with psychotic disorders (such as schizophrenia or schizoaffective disorder), Metadate ER can make certain symptoms worse, such as thought disorders and behavior problems.
  • Sudden death has been reported in children and adults with heart problems who were taking normal doses of Metadate ER. If you or your child has heart problems, ask your healthcare provider if Metadate ER is appropriate in your situation. Also, let your healthcare provider know if you or your child develops any chest tightness, chest pain, shortness of breath, or fainting.
  • Stimulants used to treat ADHD have been associated with problems in blood vessels in the fingers and toes, sometimes causing problems such as Raynaud's disease. Alert your healthcare provider to any signs of this problem, such as cold or numb toes or fingers.
  • Metadate ER can cause an increase in blood pressure and heart rate. In most cases, the increase is small and does not cause problems. However, there is an increased risk for people who already have high blood pressure, congestive heart failure, certain irregular heart rhythms (arrhythmias), or recently had a heart attack.
  • The drug can cause a temporary slowing down of growth and decreased weight gain in children. This is usually small (less than an inch and less than two pounds), and children usually catch up to normal growth rates with time. Your child's growth should be monitored while he or she is taking Metadate ER.
  • Metadate ER may affect your ability to perform tasks that require complete concentration, such as driving, operating machinery, or piloting an airplane, especially during the first few weeks of treatment. It is recommended that you discuss this with your healthcare provider.
  • Metadate ER can interact with certain medications (see Metadate ER Interactions).
  • Metadate ER is considered a pregnancy Category C medication. This means that it may not be safe to use during pregnancy. Discuss this with your healthcare provider before using the drug during pregnancy (see Metadate and Pregnancy).
  • It is not known if Metadate ER passes through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this with your healthcare provider.
Substance Abuse in Teens With ADHD

Metadate ER Drug Info

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