Other body systems
Study	Description	Adverse events/total number of participants
Hair loss
Abbas 2006	Hair loss	1/90
Khajehpiri 2014	Hair loss	3/71
Skin problems
Haertling 2015	Skin disorder	1/239
Khajehpiri 2014	Acne	2/71
Pierce 2010	Application site erythema	2/71
Shang 2015	Skin eruption	1/66
Accidental injury
Arnold 2004	Accidental injury	10/76
Voice frequency
Congologlu 2009	In conclusion, this clinical trial is the only study that has examined the effects of stimulant medication on vocal acoustic parameters in children with ADHD (attention deficit hyperactivity disorder), and evaluated a small sample on and off their clinical doses of methylphenidate. We suggest that methylphenidate decreases fundamental frequency in children with ADHD, but our findings should be replicated under blind drug administration and by supporting other vocal analyses	NA
Hypersalivation
Garg 2014	Hypersalivation	1/27
Nasal bleeding
Ghanizadeh 2013	Nasal bleeding	1/26
Chromosomal aberration
Witt 2008	% of cells with chromosomal abberations	Before: 0.48% (0.09). After: 0.46% (0.09) Study population: 25