Flu During Pregnancy: Symptoms, Risks & Prevention

The flu, or influenza, is a viral respiratory illness caused by influenza viruses. Though anyone can contract the flu, flu during pregnancy requires extra care. Pregnancy alters the immune response, increases cardiac workload, and reduces lung capacity, hence increasing the susceptibility to viral infections. A mild flu also takes a toll, resulting in dehydration, fever, and exhaustion that can affect mother and baby alike. Knowledge of the symptoms, risks during each trimester, safe treatments, and prevention methods can go a long way in ensuring a safe and healthy pregnancy process.

What Is the Flu (Influenza)?

The flu is a respiratory infection caused by influenza viruses. It is spread primarily through droplets from an infected person's cough, sneeze, and when they are talking. The virus also spreads by coming into contact with dirty surfaces and then touching your mouth, nose, or eyes.

In contrast to the common cold, flu symptoms come on suddenly and gravitate towards being more intense; a high fever, severe body aches, and fatigue are typical indicators. The flu will usually result in more systemic symptoms than a cold, which typically remains confined to nasal stuffiness or a sore throat.

Why Pregnant Women Are More at Risk

Pregnancy naturally activates certain components of the immune system to protect and support the fetus, which is in developmental stages. It also renders pregnant women more vulnerable to infections such as the flu. Pregnancy also puts extra pressure on the heart and lungs, thereby complicating respiratory illnesses.

Flu among pregnant women can result in more serious complications like dehydration, pneumonia, or preterm contractions. A high fever at any stage of pregnancy can also impact the baby's growth if not addressed promptly. For this reason, early recognition and expert intervention are crucial.

Also Read: Fever and chills during Pregnancy

Symptoms of Flu During Pregnancy

The symptoms of flu among pregnant women usually arise suddenly and become more severe within a day or two. They are as follows:

  • Sudden fever and chills
  • Headache and tiredness
  • Sore throat, cough, or runny nose
  • Shortness of breath
  • Loss of appetite or nausea
  • Sleep disturbances or dizziness

Early consultation with a doctor will prevent more complications and keep both the mother and child safe.

Also Read: Cytomegalovirus (CMV) Infection: Causes & Symptoms

Flu During Pregnancy by Trimester

First Trimester

Getting flu during first trimester of pregnancy is problematic because it is the time when the organs and neural tube of the baby are developing. Having a high fever in early pregnancy could raise the risk for neural tube defects unless treated early. Pregnant women must pay attention to drinking plenty of fluids, getting enough rest, and seeing a doctor early if they experience a fever. 

Safe antipyretic drugs and fluids may be administered to help keep the body temperature stable and avoid complications.

Also Read: Dengue Fever During Pregnancy

Second Trimester

Most women fear, "Can flu cause miscarriage in second trimester?"

The flu itself is not a direct cause of miscarriage; however, untreated high fever, excessive dehydration, or respiratory failure may increase the risk indirectly. Timely treatment, adequate rest, and hydration are essential. Fever after medication should be treated with immediate medical attention to safeguard both mother and fetus.

Third Trimester

If a woman gets the flu in the third trimester of pregnancy, the risk of serious complications is greater because of added pressure on the lungs and immune system. Pregnant women can also have more intense flu symptoms, such as shortness of breath and weakness. 

In a few instances, infections of the flu can cause pneumonia, preterm labour, or low birth weight. Do not self-medicate at this point; use only those treatments prescribed by your physician. Having the flu vaccine early or during the third trimester also protects the newborn and mother since maternal antibodies are transmitted to the infant.

Flu Risks During Pregnancy

If not treated or managed, the flu during pregnancy may result in health complications for both the baby and mother. Some of the risks include:

  • Severe fever and dehydration
  • Decreased fetal movement if oxygen levels are low
  • High risk of hospitalisation for serious cases

These risks are what make early treatment, hydration, and medical advice important.

Also Read: Is Tea Safe During Pregnancy? Risks, Teas to Avoid

Safe Remedies and Treatments

Although the flu can be uncomfortable during pregnancy, the majority of cases can be handled with the proper treatment and precautions.

Safe remedies are:

  • Get advice from your gynaecologist first: Always seek medical advice before taking any drug.
  • Hydration: Have warm soups, clear fluids, or herbal teas (recommended by your doctor) to avoid dehydration.
  • Rest: Proper rest helps the immune system and allows for quick recovery.
  • Temperature regulation: Use a cool compress or a lukewarm sponge bath to safely control fever.
  • Steam inhalation or using a humidifier: These methods may help loosen nasal congestion and ease breathing.
  • Physician-approved antiviral drugs: In certain situations, early prescription of antivirals may help in recovering faster and reduce complications.

Avoid:

  • Over-the-counter cold medications without a physician's advice.
  • Aspirin or specific painkillers are not indicated in pregnancy.
  • Herbal or home remedies that have no clinical safety certification.

Prevention: How to Guard Yourself against Flu during Pregnancy

Prevention is still the best option against the flu, particularly in pregnancy.

The following preventive measures are effective:

  • Get vaccinated: The flu vaccine during the season is safe and should be taken in all trimesters. It lowers the chances of getting infected and also shields your baby after delivery.
  • Practice hygiene: Wash hands regularly, do not touch your face, and utilise tissues to avoid spreading germs.
  • Avoid crowded and poorly ventilated areas: Flu spreads rapidly in such conditions.
  • Improve immunity through diet: Consume foods that are rich in vitamins C and zinc, and antioxidant-rich, such as fruits, vegetables, and whole grains.
  • Stay well-hydrated: Good hydration keeps mucus membranes lubricated and aids in eliminating toxins.
  • Avoid close contact with sick individuals: Especially during flu season, minimise exposure to infected people.

Also Read: The Importance of Vaccination in Pregnancy

What sets Cloudnine apart?

Cloudnine is unique in its specialised focus on women's and children's health, providing round-the-clock care for expectant mothers, including those suffering from viral infections such as the flu. Equipped with seasoned obstetricians, paediatricians, and specialists, Cloudnine guarantees mother and baby receive full-care monitoring and evidence-based treatment. 

Personalised care plans, secure medication protocols, and nurturing prenatal environments make Cloudnine a go-to haven for effectively managing flu in pregnancy with confidence and care.

Book an online appointment with Dr. Anubhuti V Ruparelia for Pregnancy & Gynecology related issues.

Conclusion

While the flu can be problematic in pregnancy, awareness and prompt action can be all it takes. By catching symptoms early, adhering to safe treatment protocols, and keeping prevention at the forefront, pregnant women can protect their health and their baby's health, too. With the expert hand of trusted caregivers such as Cloudnine, every pregnancy can continue to be safe, healthy, and flu-free.

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Frequently Asked Questions

1. How to treat cold and flu during pregnancy?

Seek advice from your doctor before taking any medication. Drink plenty of fluids, get plenty of rest, and take doctor-approved over-the-counter medications like saline sprays or inhaling steam to alleviate symptoms.

2. Does the flu hurt your baby while pregnant?

If treated early, the flu seldom damages the baby. Untreated fever and dehydration may cause complications, but otherwise, the flu is not harmful.

3. Do colds last longer when pregnant?

Yes, the immune system decelerates during pregnancy, and hence recovery from flu or cold may be a little longer than normal.

4. Can the flu cause miscarriage?

The flu does not cause miscarriage. But untreated severe cases, particularly with high fever or respiratory difficulty, can pose risks, necessitating medical supervision.

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