The phrase "additional adverse effects" is correct and usable in written English.
It can be used in contexts discussing side effects, risks, or negative outcomes related to a treatment, medication, or situation.
Example: "The study revealed additional adverse effects that were not previously documented in clinical trials."
Alternatives: "further negative impacts" or "extra harmful effects".
As no significant abuse was seen with Purdue's first controlled-release opioid, MS Contin, neither Purdue nor federal authorities considered adding a substance to OxyContin that could compromise its effectiveness and possibly expose patients to additional adverse effects.
One study reported that OSAS combined with dyslipidemia conferred additional adverse effects with respect to the prevalence of atherosclerotic CVD27.
Failure to restore important services rapidly could result in additional adverse effects on public health and welfare "that could be more significant than the direct radiological impacts".
Expansion of Barred Owls may have additional adverse effects on Spotted Owl populations if they introduce novel infectious diseases.
No additional adverse effects were found.
Therefore, miglitol may have a powerful inhibitory effect against α-glucosidase without additional adverse effects.
This study tests the idea that if depressed mood and catastrophizing are separate entities then when one is absent the other should still contribute to poor outcome, and, when both are present there should be an additional adverse effect.
Moreover, clozapine-induced weight gain is an additional adverse effect, and multiple relevant biological processes were altered in hindbrain, e.g., regulation of generation of precursor metabolites and energy.
They argue that the presence of ADHD in children may be an additional adverse effect of exposure to alcohol during pregnancy.
The effect of ART alone (ignoring any additional adverse effect of infertility) can only be assessed by comparing ART children to children born to subfertile parents who conceived without ART.
NAG and DDX1 are reported to be co-amplified with the MYCN gene in neuroblastoma [ 23], but amplification of DDX1 and/or NAG has no additional adverse effect on prognosis in this disease [ 24, 25].
