Concepedia

Øystein Karlstad

ØK

53

Publications

2.7K

Citations

28

H-Index

2007

Active since

Affiliations

Norwegian Institute of Public Health(Current)

Karolinska Institutet

University of Oslo

Oslo University Hospital

University of Iceland

Øystein Karlstad is an author at Norwegian Institute of Public Health specializing in medicine, pharmacoepidemiology, and pediatrics.

ORCID

Top concepts

Publications per year

2007–2025

53

Publications

53

Arterial events, venous thromboembolism, thrombocytopenia, and bleeding after vaccination with Oxford-AstraZeneca ChAdOx1-S in Denmark and Norway: population based cohort study

Anton Pottegård, Lars Christian Lund, Øystein Karlstad et al. · BMJ · 2021 · 424 citations · Full text

Trends in attention-deficit hyperactivity disorder medication use: a retrospective observational study using population-based databases

Sudha R. Raman, Kenneth K. C. Man, Shahram Bahmanyar et al. · The Lancet Psychiatry · 2018 · 297 citations

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Association Between Methylphenidate and Amphetamine Use in Pregnancy and Risk of Congenital Malformations

Krista F. Huybrechts, Gabriella Bröms, Lotte Brix Christensen et al. · JAMA Psychiatry · 2017 · 135 citations · Full text

Prenatal and infant paracetamol exposure and development of asthma: the Norwegian Mother and Child Cohort Study

Maria C. Magnus, Øystein Karlstad, Siri E. Håberg et al. · International Journal of Epidemiology · 2016 · 95 citations · Full text

Association Between Antibiotics in the First Year of Life and Celiac Disease

Stine Dydensborg Sander, Anne‐Marie Nybo Andersen, Joseph A. Murray et al. · Gastroenterology · 2019 · 95 citations · Full text

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