ADHD Home > Metadate ER Warnings and Precautions
It's important to understand Metadate ER warnings and precautions before taking it, including possible side effects and people who should avoid the drug. Before starting treatment, tell your healthcare provider if you have epilepsy, heart problems, or mental illness. Potential side effects include chest tightness, slowed growth rate, and increased blood pressure. Metadate ER warnings and precautions also extend to people who have glaucoma, certain allergies or Tourette syndrome.
You should talk with your healthcare provider prior to taking Metadate ER® (methylphenidate extended-release) if you have:
- Heart problems of any kind, including heart disease, congestive heart failure, certain irregular heart rhythms (arrhythmias), or had a recent heart attack
- High blood pressure (hypertension)
- Mental illness, including bipolar disorder (manic depression) and psychotic disorders (such as schizophrenia or schizoaffective disorder)
- Seizures or epilepsy
- Tourette syndrome
- Hyperthyroidism (overactive thyroid)
- Glaucoma (a condition of the eye)
- Any allergies, including allergies to food, dyes, or preservatives.
Also let your healthcare provider know if you:
- Are pregnant or thinking of becoming pregnant
- Are breastfeeding.
It's important to also tell your healthcare provider about all other medicines you may be taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.