Adverse events: minor gastrointestinal symptoms · healthy people and healthy male physicians
Vitamin A leads to higher adverse events: minor gastrointestinal symptoms compared with placebo (high certainty).
1 finding from 1 review
Adverse events · adults and children with exercise‐induced bronchoconstriction/asthma
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse events · people with asthma
1 finding from 1 review
Serious adverse events · premenopausal women (ages 18–36 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse events · children up to the age of 7 at risk of upper respiratory tract infection
1 finding from 1 review
Number of participants withdrawing due to adverse events (AE) · scalp psoriasis
Steroid plus vitamin D leads to lower number of participants withdrawing due to adverse events compared with vitamin D (high certainty).
1 finding from 1 review
Withdrawals due to adverse events · people with inflammatory bowel disease
It is very uncertain whether vitamin D (all doses) changes withdrawals due to adverse events compared with placebo/no treatment (very low certainty).
1 finding from 1 review
Serious adverse events · individuals with moderate to severe disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Maternal adverse events · pregnant women and their infants..
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse events: all grades · individuals with moderate to severe disease
It is very uncertain whether summary of Findings Table ‐ Vitamin D changes adverse events (any grade) compared with placebo or standard care alone (very low certainty).
1 finding from 1 review
Adverse events · healthy women, aged 35 to 60, and men, aged 45 to 60, living in France
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse events (number) Asymptomatic hypercalcaemia and hypercalciuria
It is very uncertain whether vitamin D plus calcium changes adverse events (number) Asymptomatic hypercalcaemia and hypercalciuria compared with calcium (very low certainty).
1 finding from 1 review
Adverse events · people with diabetes and foot ulcers
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Severe PPH (≥ 1000 mL) · pregnant women and their infants..
Vitamin D supplementation may leads to lower maternal adverse events: severe postpartum haemorrhage compared with placebo or no intervention (low certainty).
1 finding from 1 review
Adverse events · adults and children with cystic fibrosis
Summary of findings: oral vitamin E supplementation showed no clear difference in adverse events compared with placebo or no treatment (low certainty).
1 finding from 1 review
Adverse events · people with or without existing cardiovascular disease, men and women
Homocysteine‐lowering interventions (Vitamin B6 (pyridoxine;… showed no clear difference in adverse events compared with placebo or standard care (high certainty).
1 finding from 1 review
Adverse events: renal calculi · relatively healthy postmenopausal women
Vitamin D plus calcium showed no clear difference in adverse events: renal calculi compared with placebo (moderate certainty).
1 finding from 1 review
Adverse events associated with treatment · ulceration caused by nerve damage in leprosy
1 finding from 1 review
Adverse events associated with treatment · ulceration caused by nerve damage in leprosy
1 finding from 1 review
Vomiting · mortality and morbidity in term neonates
Neonatal vitamin A supplementation showed no clear difference in adverse events during first 48‐72 hours post supplementation ‐… compared with control (high certainty).
1 finding from 1 review