Does concentration have side effects in treating ADHD?

Cause nausea, vomiting, acid reflux, etc. Zhuminda, also known as methylphenidate hydrochloride controlled-release tablets, is the first choice for treating ADHD. By blocking the reuptake of norepinephrine and dopamine by presynaptic neurons, the release of norepinephrine and dopamine to the outer space of neurons is increased, thus improving patients' attention and inhibiting impulsive behavior. Note that the main side effects of ADHD include gastrointestinal reaction, which may cause nausea, vomiting and acid reflux.