Adverse effects: drowsiness, hypersomnia, and excessive sleepiness · otherwise healthy adults and children with common cold symptoms
Antihistamine‐decongestant showed no clear difference in adverse effects: drowsiness, hypersomnia, and excessive sleepiness compared with placebo (low certainty).
1 finding from 1 review
Adverse effects: drowsiness, hypersomnia, and excessive sleepiness · otherwise healthy adults and children with common cold symptoms
Antihistamine‐analgesic showed no clear difference in adverse effects: drowsiness, hypersomnia, and excessive sleepiness compared with placebo (low certainty).
1 finding from 1 review
Adverse effect: fatigue · people (aged 10–64 years) with drug‐resistant focal epilepsy
Vigabatrin may leads to higher adverse effects: fatigue Duration of treatment (range): 8–36 weeks compared with placebo (low certainty).
1 finding from 1 review
Adverse effect: fatigue · people with drug‐resistant focal epilepsy
Gabapentin may leads to higher adverse effects: fatigueNumber of participants experiencing fatigue compared with placebo (low certainty).
1 finding from 1 review
Adverse effects: headache · people with drug‐resistant focal epilepsy
Levetiracetam showed no clear difference in adverse effects: 5 most common adverse effects (any age) – headache compared with placebo (low certainty).
1 finding from 1 review
Adverse effects during antidepressant treatment period (0‐12 weeks) · adults living with HIV and depression
It is very uncertain whether antidepressant changes adverse effects during antidepressant treatment period (0‐12 weeks) compared with placebo (very low certainty).
1 finding from 1 review
Serious adverse events Analysis 11.2 · children with acute encephalitis
It is very uncertain whether intravenous immunoglobulin with or without standard care changes ≥ 1 serious adverse event RR (M‐H, random‐effects analysis, 95% CI) compared with standard care alone or placebo (very low certainty).
1 finding from 1 review
Investigator‐assessed severe adverse effects Blistering or scarring · Mild, moderate and severe acne vulgaris
1 finding from 1 review
Adverse effects ‐ Blurred vision No of patients with blurred vision · patients with drug‐resistant epilepsy
Flunarizine showed no clear difference in adverse effects ‐ Blurred vision No of patients with blurred vision compared with placebo (high certainty).
1 finding from 1 review
Adverse effects: 5 most common adverse effects (any age) – dizziness · people with drug‐resistant focal epilepsy
Levetiracetam showed no clear difference in adverse effects: 5 most common adverse effects (any age) – dizziness compared with placebo (moderate certainty).
1 finding from 1 review
Secondary outcome: all adverse events · people within 3 months after stroke
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects Reported by investigators 'and' or 'or' participants · patients with tinea cruris and tinea corporis
It is very uncertain whether terbinafine 1% cream/gel changes adverse effects Reported by investigators 'and' or 'or' participants compared with placebo cream/gel (very low certainty).
1 finding from 1 review
Adverse effects Reported by investigators 'and' or 'or' participants · patients with tinea cruris and tinea corporis
It is very uncertain whether azoles changes adverse effects Reported by investigators 'and' or 'or' participants compared with placebo (very low certainty).
1 finding from 1 review
Adverse effects Reported by investigators 'and' or 'or' participants · patients with tinea cruris and tinea corporis
It is very uncertain whether naftifine 1% cream once or twice daily changes adverse effects Reported by investigators 'and' or 'or' participants compared with placebo cream once or twice daily (very low certainty).
1 finding from 1 review
Adverse effects: headache · people with drug‐resistant focal epilepsy
Gabapentin probably leads to lower adverse effects: headacheNumber of participants experiencing headache compared with placebo (moderate certainty).
1 finding from 1 review
Somnolence · people with drug‐resistant focal epilepsy
Levetiracetam probably leads to higher adverse effects: 5 most common adverse effects (any age) – somnolence compared with placebo (moderate certainty).
1 finding from 1 review
Adverse effects: nystagmus Duration of treatment (range): 16–18 weeks · people (aged 10–64 years) with drug‐resistant focal epilepsy
Vigabatrin showed no clear difference in adverse effects: nystagmus Duration of treatment (range): 16–18 weeks compared with placebo (low certainty).
1 finding from 1 review
Adverse effects: EPS: dystonia measured by average ESRS change scores · female and male 42 (mean) years old patients with schizophrenia or schizoaffective disorder and antipsychotic‐induced tardive dyskinesia
FATTY ACID ‐ ETHYL‐EPA showed no clear difference in adverse effects: EPS: dystonia measured by average ESRS change scores compared with PLACEBO (low certainty).
1 finding from 1 review
Number of major adverse effects defined by the study, before discharge · women with urinary stress incontinence undergoing continence surgery
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects: neurological, extrapyramidal UKU (events) Medium‐term · people in the prodromal stage of psychosis
Group A: omega‐3 fatty acids showed no clear difference in adverse effects: neurological, extrapyramidal UKU (events) Medium‐term compared with placebo (low certainty).
1 finding from 1 review