Are Your Sore Throat and Sniffles a Cold or Something Serious?

Welcome to winter virus season, when a cough, a fever or a sore throat can have you trying to figure out what you have and how best to treat it. Is it just a common cold that you can treat yourself with rest and over-the-counter remedies? Or could it be something more serious that requires medical evaluation?

Influenza (the flu), COVID-19, RSV and strep throat all present with overlapping symptoms so determining the cause of your illness can be a challenge. Understanding the subtle differences is key to seeking the right care at the right time, physicians with Baptist Health say, because some illnesses require specific treatments.

Distinguishing Between Viral and Bacterial Infections

The sniffles and body aches that accompany seasonal sickness can be caused by either viruses or bacteria. This is a critical distinction, as the treatments are very different.

“It’s important for patients to understand that antibiotics are only effective against bacterial infections, such as strep throat,” explains Brenda Gonzalez, M.D., a pulmonologist and president of the medical staff at Baptist Health Doctors Hospital. “Viruses, which cause the common cold, flu, COVID-19 and RSV, do not respond to antibiotics. Using them unnecessarily can contribute to antibiotic resistance.”

The Common Cold

Colds are typically mild and develop gradually over one or two days. They are viral and do not require prescription medication.

• Symptoms: You may experience a runny nose, sneezing, a mild cough, a sore throat and sometimes a low-grade fever. Symptoms are generally less severe than those of the flu or COVID-19.

• Diagnosis: A diagnosis is made based on clinical symptoms. Specific testing is not usually required.

• Treatment: The best approach is supportive care. This includes getting plenty of rest, staying hydrated and using a humidifier to ease congestion. Over-the-counter medications can help manage symptoms.

Influenza (The Flu)

Influenza is a viral illness that can be much more severe than a common cold. Its arrival is often sudden and intense.

“With influenza, patients often report feeling as if they've been hit by a truck,” Dr. Gonzalez says. “The abrupt onset and severity of body aches are key indicators that it may be more than a simple cold.”

• Symptoms: A hallmark of the flu is the abrupt onset of symptoms, including a high fever, significant body aches, headache and profound fatigue. A dry cough and sore throat are also common.

• Diagnosis: Healthcare providers can use rapid molecular assays or RT-PCR tests to confirm an influenza diagnosis. Multiplex panels are also available, which can test for the flu, RSV and COVID-19 from a single swab.

• Treatment: Antiviral medications like oseltamivir can be prescribed. “For antiviral treatment to be most effective, it should be started within 48 hours of when symptoms first appear,” advises Dr. Gonzalez. Supportive care, including rest and fluids, remains essential.

COVID-19

The symptoms of COVID-19 can vary widely from person to person and depend on the variant. “Some individuals may have no symptoms while others experience severe illness,” Dr. Gonzalez notes. While many symptoms of COVID-19 overlap with the flu, some unique signs can help differentiate it.

• Symptoms: Common signs include fever, fatigue and a cough. A distinctive symptom that some individuals experience is a new loss of taste or smell. Symptoms can range from very mild to severe.

• Diagnosis: The most reliable test is the RT-PCR test, often called the gold standard. Rapid antigen tests are also available but are less sensitive.

• Treatment: For most mild cases, supportive care at home is sufficient. For high-risk patients, antiviral treatments such as Paxlovid, remdesivir or molnupiravir may be recommended to reduce the risk of severe illness.

Respiratory Syncytial Virus (RSV)

RSV is a common respiratory virus that usually causes mild, cold-like symptoms, says Juan Dangond, D.O., a medical provider for Baptist Health Urgent Care. It can affect anyone but it is most concerning for infants, young children and older adults, as it can lead to more serious respiratory issues like bronchiolitis or pneumonia.

• Symptoms: In adults and older children, RSV often presents as a mild cold. In infants, it can cause more severe symptoms, including significant congestion, wheezing and respiratory distress, such as rapid breathing or nostril flaring.

• Diagnosis: For infants and young children with bronchiolitis, a diagnosis is often made based on a clinical examination. RT-PCR or multiplex testing may be used if the results will impact the management of the illness.

• Treatment: Treatment for RSV is entirely supportive. It focuses on ensuring the patient gets enough oxygen and hydration. Bronchodilators and steroids are generally not recommended.

Strep Throat

Unlike the other conditions, which are viral, strep throat is a bacterial infection (Group A Streptococcus) that specifically affects the throat and tonsils. It requires antibiotic treatment to prevent complications, which can include rheumatic fever, a condition that can cause damage to the heart, and other potentially dangerous conditions.

A primary differentiator for strep throat is the absence of significant cold-like symptoms such as a cough or runny nose, Dr. Dangond says. “If those cold-like symptoms are present, the cause is less likely to be strep,” he explains. “If a severe sore throat is the main complaint, strep should be considered and a rapid strep test can provide a quick diagnosis.”

• Symptoms: The most prominent symptom is a sudden, severe sore throat. Other signs include fever, pain when swallowing, swollen lymph nodes in the neck and white patches or exudate on the tonsils.

• Diagnosis: A provider can perform a rapid antigen detection test (RADT). In children, a negative rapid test is often followed by a throat culture for confirmation.

• Treatment: A 10-day course of antibiotics, such as penicillin or amoxicillin, is required to treat the infection.

When to Seek Professional Medical Care

Knowing when to manage symptoms at home and when to see a professional is crucial. “Urgent care is the right choice for mild to moderate symptoms that require an evaluation,” says Dr. Dangond. “If you need testing to confirm what you have or if you suspect influenza, COVID-19, RSV or strep throat, we can provide a definitive diagnosis and treatment plan.”

However, adds Dr. Dangond, some symptoms indicate a medical emergency and require immediate attention at a hospital emergency room.

Seek Emergency Care For:

• Difficulty breathing or chest pain

• Bluish lips or face

• Severe dehydration, indicated by an inability to keep fluids down

• Confusion or a rapid worsening of symptoms

• An oxygen saturation level below 90%

• Any significant symptoms in high-risk patients (such as the very young, the elderly or those with chronic health conditions)

Prevention: Your First Line of Defense

As any physician will tell you, preventing illness is always the best strategy. Following established public health guidelines can significantly reduce your risk of contracting and spreading respiratory infections.

• Handwashing: Wash your hands frequently with soap and water for at least 20 seconds, especially after coughing, sneezing or being in public places.

• Vaccination: Annual flu shots and updated COVID-19 vaccines are highly effective at preventing severe illness, hospitalization and death. A vaccine for RSV is also available for certain populations, including older adults.

• Masking: Wearing a well-fitting mask in crowded indoor settings can provide an effective barrier against airborne respiratory viruses.

• Avoid Touching Your Face: Keep your hands away from your eyes, nose and mouth to prevent germs from entering your body.

• Stay Home When Sick: If you feel unwell, stay home to rest and avoid transmitting the illness to others.

By understanding the symptoms, recognizing warning signs and practicing diligent prevention, you can make informed decisions for yourself and your family this winter virus season and ensure you get the appropriate care to recover quickly and safely.

Click here for more information about Baptist Health Urgent Care services, locations and hours.

Juan Dangond, D.O., medical provider for Baptist Health Urgent Care

Brenda Gonzalez, M.D., a pulmonologist and president of the medical staff at Baptist Health Doctors Hospital