Methylphenidate Efficacy: Immediate versus Extended Release at Short Term in Mexican Children with ADHD Assessed by Conners Scale and EEG

Table 6

Reporting of adverse reactions and effects.

Patient number	Release type (extended/immediate)	Adverse effect
1	ER	Lack of appetite; Constipation
2	ER	Lack of appetite; Weariness; Apathy
8	ER	Lack of appetite; Nausea
15	IR	Vomiting
17	IR	Drowsiness
26	ER	Nervousness; Tremors
31	ER	Myokymia

(i) ER = extended release.
(ii) IR = immediate release.
The adverse effect profile of the formulation of methylphenidate (Tradea) observed in the protocol is similar to that described in the literature, such effects being mild, well known, transient, and related to the drug.