De almindelige bivirkninger, som blev rapporteret var reaktioner på injektionsstedet, hovedpine, usædvanlig stor spænding i musklerne (hypertoni), nedsat aktivitet af skjoldbruskkirtelen (hypothytoidisme), nedsat glucose tolerance, kraftesløshed (asteni) og udvikling af antistoffer mod proteinet somatropin.
The common side effects reported were injection site reactions, headache, excessive tension of the muscles (hypertonia), subnormal activity of the thyroid gland (hypothyroidism), impaired glucose tolerance, loss of strength (asthenia) and development of antibodies to the protein somatropin.