Are Mosquito Repellents and Other Common Medications Safe in Pregnancy?

It's a good idea to get some medical advice before taking any medication when you're pregnant or breastfeeding. Here are some of your most common questions answered

By Dr Janice TUNG, Associate Consultant and Associate Professor Tan Thiam Chye, Visiting Consultant, Department of Obstetrics and Gynaecology, KK Women's and Children's Hospital

By week 13 you're likely to be over your early pregnancy nausea and ready to enjoy your pregnancy to the max. Staying healthy is important for both you and your baby, and it's always best to check before you use anything medicated that might have an effect on your or your baby's wellbeing. Here's some advice on common medications:

Are Mosquito Repellents with DEET OK to Use While I'm Pregnant?

mosquito repellents with deet while pregnant

With dengue, malaria and the Zika virus popping up in the news sometimes, it's important to protect yourself against diseases carried by mosquitoes. Less than 10 percent of DEET is absorbed through the skin and studies have shown that it won't harm your unborn baby. Use a repellant with a low concentration of DEET and apply it on your clothing instead of your skin.

Related: Zika Virus: FAQ

Is Evening Primrose Oil a Safe Supplement to Take During Pregnancy?

evening primrose oil pills

Evening Primrose Oil (EPO) is a plant extract, a rich source of essential fatty acids and is commonly used. Although there are some reports that suggest it might affect the opening of the womb, there's not enough research to confirm whether it's safe or harmful to take during pregnancy.

Can I Take Painkillers While I'm Pregnant?

taking painkillers while pregnant

Paracetamol is OK to use but avoid those with added caffeine. Avoid ibuprofen as this can affect your baby's development.

I'm Having Trouble Sleeping — Can I Take Sleeping Pills?

taking sleeping pills while pregnant

Stay away from sleeping pills. Some studies show their use can increase the risk of heart and stomach malformations and cleft palate for the unborn baby. Medical experts do not recommend you take it during pregnancy.

Related: Overcoming Insomnia

My Weight is Piling On — Can I Take Slimming Pills?

taking slimming pills while pregnant

Many of the slimming pills you can buy over the counter contain herbs and have not been approved as safe in pregnancy. They should be avoided for this reason — and also because losing weight during pregnancy could affect your baby's development.

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Sources:

The New Art and Science of Pregnancy and Childbirth 2008, World Scientific

Healthy Start for your Pregnancy 2012, Health Promotion Board Singapore

This article was last reviewed on 22 Nov 2023