Update your Asthma Action Plan as needed. Remember: It is better for you and your baby if you maintain asthma control using any approved asthma medicines. If you are already receiving allergy shots immunotherapy , you can usually continue if you are not having reactions. As an extra precaution, though, your allergist may cut the dosage of the allergy extract to reduce the chance of a severe allergic reaction, or at a minimum keep the dose the same.
But the dose should not be increased during pregnancy since that increases the chance of a reaction. People with asthma should get flu influenza shots. Pregnancy does not change that recommendation. In fact, the flu may be particularly severe in pregnant women.
When asthma is under control, asthma attacks almost never occur during labor and delivery. Also, most women with well-controlled asthma are able to perform breathing techniques during their labor without difficulty. Doctors do not believe asthma medicines are harmful to a nursing baby when used in usual amounts.
The transfer of asthma medicines into breast milk has not been fully studied. When breastfeeding, drinking extra liquids to avoid dehydration is also important as it is for all people with asthma. Genetics plays a role in whether a baby will develop asthma. In other words, asthma tends to be more likely in a baby if their relatives have it. The environment also plays an important role. One major prenatal risk factor for the development of asthma is maternal smoking.
Giving up cigarette smoking is very important. Other prenatal factors that may influence the development of asthma are:. Talk to your doctors about identifying your risk factors and making safe changes in preparation for your new baby. Download, Print, Share This Guide.
Medical Review November , update March Subbarao, P. Willemsen, G. Holberg, C. Work with your doctor to create a written asthma action plan and have it reviewed at regular times during your pregnancy to make sure you are getting the best asthma care possible. For some women, their asthma worsens and for others it improves, while others experience no change at all. About half of Australian women with asthma find their asthma gets a bit worse during pregnancy.
As the baby grows and the womb gets bigger, some women feel breathless, particularly with physical activity. Asthma medications are extremely safe and appropriate for use during pregnancy. Most asthma medications are inhaled, which delivers medication directly to the airways where it is needed, so a small dose can often be enough. Asthma medication is not dependent on circulation through the bloodstream and, to some extent, bypasses the baby.
Discuss any concerns you have with your doctor before stopping any asthma medications, to make sure your asthma is controlled throughout your pregnancy.
You can put your baby at risk if you stop taking your asthma medications, because if you have an asthma attack , your baby may suffer from a reduced oxygen supply. Asthma medication will not harm your baby, and taking prescribed medications is safer for you and your baby than having poorly-controlled asthma. Asthma attacks during labour are rare. However, you should make sure your asthma medication is always accessible, including when you are in hospital.
If you have asthma symptoms during labour, take your reliever medication as usual. You can also avoid exposing yourself and your baby to a range of health risks. Smoking has many damaging effects on your developing baby , including:. Pregnancy complications more commonly experienced by women who smoke include ectopic pregnancy , stillbirth, miscarriage , problems with the placenta, premature rupture of the membranes and premature labour.
So if you are pregnant, quitting smoking is ideal. If you need help to quit, see your health professional for information and advice or call Quitline. Most asthma medications are safe to take during breastfeeding.
If you are concerned, speak with your doctor. For more information, visit www. Pregnant women should not stop or start taking any type of medication that they need without first talking with a doctor.
Women who are planning to become pregnant should discuss the need for any medication with their doctor before becoming pregnant and ensure they are taking only medications that are necessary. Skip directly to site content Skip directly to page options Skip directly to A-Z link. Birth Defects. Section Navigation.
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