• 15 Jul, 2026
• SendClinic
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Safe Allergy Medications During Pregnancy

When Allergies Meet Pregnancy

Pregnancy brings so many changes to your body — and for many women, that includes changes to allergies too. Some women find their allergy symptoms get better during pregnancy. Others find they get much worse. Either way, dealing with a stuffy nose, itchy eyes, and constant sneezing while growing a baby is no fun at all.

The tricky part is knowing what you can safely take to feel better. Many medications that were part of your normal routine before pregnancy may not be recommended anymore. It can feel overwhelming to sort through all the options. The good news is that there are ways to manage allergy symptoms safely, and you do not have to just suffer through it.

This guide will walk you through what is generally known about allergy medications during pregnancy, so you can have a more informed conversation with your healthcare provider.

Why Allergies Can Change During Pregnancy

Your immune system goes through big changes when you are pregnant. Your body is working hard to protect both you and your growing baby. These immune changes can make allergy symptoms feel different than they did before. Some women who never had bad allergies suddenly struggle with sneezing and congestion throughout the whole pregnancy.

Hormonal shifts also play a role. Rising levels of hormones like estrogen can cause the lining of your nose to swell, which leads to congestion. This condition is sometimes called “pregnancy rhinitis” and it is very common. It can be hard to tell apart from regular allergy symptoms, which is one reason it is important to talk to a provider about what you are experiencing.

Understanding what is causing your symptoms helps guide what kind of treatment makes sense. Allergy-related congestion and pregnancy rhinitis can look a lot alike, but they may be managed in slightly different ways.

Medications That Are Generally Considered Safer

When it comes to allergy medications during pregnancy, some options have a longer track record of safety than others. Loratadine (Claritin) and cetirizine (Zyrtec) are two second-generation antihistamines that are most often recommended by healthcare providers for pregnant women with allergies. They cause less drowsiness than older antihistamines and have been studied more extensively in pregnancy.

Diphenhydramine (Benadryl) is an older antihistamine that has been used for a long time and is sometimes considered acceptable, particularly in the second trimester. However, some providers prefer the newer options listed above. Diphenhydramine also causes more drowsiness and may have other considerations near the end of pregnancy.

Always remember that no medication is completely without risk during pregnancy. What works best for you depends on your specific situation, how far along you are, and any other health conditions you have. This is why a healthcare provider’s guidance matters so much before starting or continuing any medication.

Medications to Be More Cautious About

Some allergy medications are more commonly flagged for caution during pregnancy. Decongestants like pseudoephedrine (Sudafed) are often recommended to be avoided, especially during the first trimester. Some studies have raised concerns about decongestant use in early pregnancy, so many providers advise steering clear of them when possible.

Nasal steroid sprays like fluticasone (Flonase) are sometimes used during pregnancy and are considered a reasonable option by some providers, particularly for moderate to severe nasal allergy symptoms. However, this should always be discussed with a healthcare provider first. Not all sprays carry the same level of evidence.

Herbal remedies and “natural” supplements are not automatically safe just because they are not prescription drugs. Many have not been tested for safety during pregnancy at all. It is best to check with your provider before using any supplement, even ones marketed as gentle or natural.

Non-Medication Ways to Manage Symptoms

One of the safest approaches during pregnancy is trying to reduce your exposure to allergens in the first place. If pollen is a trigger, try to keep windows closed during high pollen times and change your clothes after spending time outdoors. Showering before bed can help wash off allergens so you are not breathing them in overnight.

Saline nasal rinses are widely considered safe during pregnancy and can help flush allergens and irritants from your nasal passages. Many providers recommend them as a first step before reaching for medication. They are inexpensive, easy to find at most drugstores, and have no known risks when used correctly.

Air purifiers with HEPA filters, allergen-proof bedding covers, and vacuuming frequently can also lower the amount of allergens in your home. These small changes may not eliminate your symptoms entirely, but they can make a real difference, especially when combined with safe medical treatment.

When to Talk to a Healthcare Provider

If your allergy symptoms are making it hard to sleep, eat, or breathe comfortably, it is time to get some help. Unmanaged allergy symptoms during pregnancy are not something you just have to push through. Poor sleep and chronic discomfort can affect your overall health, which matters for both you and your baby.

You should also reach out if you are unsure whether what you are experiencing is allergies, a cold, pregnancy rhinitis, or something else. A provider can help sort that out and recommend a safe course of action. If you need a quick and easy way to connect with a licensed provider, SendClinic offers convenient telehealth visits by phone or video — no insurance required and no long waits.

Do not make changes to allergy medications you were already taking before pregnancy without talking to a provider first. Stopping some medications suddenly or switching without guidance could make things harder to manage. A quick visit can give you the peace of mind and clear direction you need.

You Deserve to Feel Better

Managing allergies during pregnancy takes a little more thought and care, but it is absolutely possible to find relief safely. The key is staying informed, avoiding guesswork with medications, and keeping your healthcare provider in the loop. You are doing something incredible by growing a new life, and you deserve to feel as comfortable as possible while doing it.

Whether you are dealing with spring pollen, pet dander, or dust mites, help is available. Reach out to a provider — including through a telehealth option like SendClinic — and get the guidance you need to breathe a little easier.

References

• Munn, Marilyn B. and Groome, Lynn. “Allergic Rhinitis in Pregnancy.” UpToDate / American Family Physician. 2022.
• Namazy, Jennifer A. and Schatz, Michael. “The Safety of Intranasal Steroids During Pregnancy.” Journal of Allergy and Clinical Immunology. 2010.
• Centers for Disease Control and Prevention. “Treating for Two: Medicine and Pregnancy.” CDC.gov. 2023.
• National Institute of Allergy and Infectious Diseases. “Allergic Diseases.” NIAID, National Institutes of Health. 2023.
• Briggs, Gerald G., Freeman, Roger K., and Towers, Craig V. “Drugs in Pregnancy and Lactation.” Wolters Kluwer Health. 2021.