Pregnant in Flu Season: Vaccine, Symptoms, Warning Signs

October in Houston brings two things at once: the cooler mornings everyone has been waiting for and the first flu outbreaks in classrooms, offices and buses. If you're expecting, this season deserves a plan of its own. The point isn't to live in fear. It's to know three things ahead of time: which vaccine makes sense, how to respond if a fever shows up, and which symptoms can't wait until tomorrow.

The medical team at the clinic put this guide together for the moms-to-be in Alief, Sharpstown and the 77072 area who ask us these same questions every fall.

Why flu hits harder during pregnancy

According to the CDC, people who are pregnant or recently gave birth are more likely to develop complications from flu, such as pneumonia, and to end up in the hospital. The reason is pregnancy itself: your immune system shifts to protect the baby, your heart works harder, and as the uterus grows your lungs have less room to expand.

That doesn't mean every case of flu in pregnancy goes badly. Most people recover at home. It means prevention pays off, it's worth getting checked sooner, and symptoms you'd shrug off at another time of year deserve attention now.

The flu shot: one dose, two people protected

The CDC recommends a flu vaccine for anyone who is pregnant during flu season, in any trimester. Two details matter:

• It should be the shot (inactivated vaccine). The nasal spray version contains a weakened live virus and isn't used during pregnancy.
• It also protects your newborn. The antibodies you make cross to the baby and help guard them during the first months of life, when they're still too young for a flu shot of their own.

After the shot, a sore or red arm is common, and sometimes you'll feel tired or run a slight temperature for a day. The inactivated vaccine cannot give you the flu.

Our vaccines page explains that we give the flu shot and that we ask you to let us know beforehand if you're pregnant. Bring it up as well with whoever handles your prenatal care: they can look at your whole history and tell you which other vaccines are due at this stage, such as the third-trimester Tdap that protects the baby against whooping cough.

What expecting moms ask us

• "Is it too late in November or December?" No. September or October is ideal, but the shot still helps as long as the virus is going around.
• "I got one last year. Does that count?" No. The virus changes and protection wears off over the months, which is why the recommendation is every year.
• "What if I have a bit of a cold?" A mild cold without fever usually isn't a reason to skip it. If you do have a fever, tell us and we'll decide together on the right timing.

If symptoms start: move within the first two days

Flu usually comes on suddenly: fever, chills, body aches, a dry cough, heavy fatigue and a headache. Pregnancy adds one more reason not to wait. Antiviral treatment works best when it's started in the first two days of symptoms, and pregnant women are among the people who benefit most from starting early.

A practical order of steps if you feel sick:

• Take your temperature and write down the time. That number is very useful at the visit.
• Call or message whoever handles your prenatal care and tell them your symptoms and when they started.
• Get evaluated without delay. At our clinic we run rapid flu and COVID tests with a nasal swab; the result is ready in minutes and guides the medical team's treatment decision.
• Don't self-medicate. Several over-the-counter cold syrups and pills combine ingredients that aren't recommended in pregnancy. Ask first.
• Rest and keep drinking even when you're not thirsty: water, broth, oral rehydration drinks.

A fever in pregnancy isn't something to tough out

Plenty of people would rather "let a fever run its course." In pregnancy that idea doesn't hold: a high fever should be treated and checked, because letting it linger can affect the baby, especially early on. Ask the medical team or your prenatal care provider which medicine you can take to bring it down and how much, and don't let it go on for several days without being seen.

If the fever won't come down with the medicine you were told to use, it's no longer something to handle at home (see the table below).

What to do based on what you feel

The ER rows match the signs the CDC lists as emergencies for a pregnant person with flu. If you have any of them, don't drive yourself: have someone take you, or call 911.

Protecting yourself starts at home

Flu often reaches an expecting mom through her kids or partner. A few simple habits help:

• Have the rest of the family get their flu shots too, so the virus is less likely to come home.
• If someone in the house is sick, give them their own cup and towel and, if you can, a separate room.
• Wash your hands when you get home and before eating; keep hand sanitizer in your purse.
• When cases are peaking, keep your distance from people who are coughing whenever possible.
• If you've already delivered, remember that the first weeks after birth still carry extra risk: the same precautions apply.

Your visit at Clínica Hispana Cruz 4

You'll find us at 10100 Beechnut St Ste 240, a short drive from Alief, Mission Bend and Westchase. You can walk in any day of the week between 9:00 AM and 9:00 PM and be seen in Spanish, which helps when a fever starts on a Saturday.

If you're not sure whether you're pregnant, we also do pregnancy testing during the visit. And if a cough or fever catches you off guard this season, come to our respiratory illness care visit: we'll run the rapid test and walk you through the result calmly so you can share it with your prenatal care provider.