Pharyngitis: Causes, Symptoms, and Treatment

The pharynx, a muscle situated in the posterior part of the throat, is vital for both respiration and deglutition (swallowing). Pharyngitis signifies the inflammation of this muscle; most often, it arises as a symptom of another ailment, such as a viral infection. When the pharynx becomes inflamed, most individuals report a scratchy or burning feeling in their throat, along with discomfort when swallowing. Pharyngitis typically results from viral invaders like the common cold or flu, or bacterial infections including strep throat. Fungal pharyngitis can also occur, particularly in individuals using immunosuppressant drugs, steroids, or antibiotics.

Pharyngitis is categorized into two primary forms: acute and chronic. Your healthcare provider will determine the specific type of pharyngitis you are experiencing based on the duration and intensity of your symptoms:

• Acute pharyngitis: Those with acute pharyngitis will experience symptoms lasting between three and ten days, which can range from mild to severe. 
• Chronic Pharyngitis: If you are affected by chronic pharyngitis, your symptoms will persist for several weeks or longer, or they may frequently recur.

The symptoms of pharyngitis will fluctuate depending on the root cause. Most occurrences of this condition are accompanied by:

• A dry throat sensation 

• Pain upon swallowing

• Discomfort when speaking

• Ear or neck pain (often referred pain from the throat) 

Additional, potentially more bothersome symptoms, may surface if the underlying cause of your pharyngitis is serious. If your sore throat is a consequence of a cold or flu, you might also experience a runny nose, headache, cough, or general fatigue. A more severe throat infection or a viral chest infection could lead to other indicators, including:

• Fevers

• Enlarged lymph nodes

• Swelling in the throat or tonsils 

• Red or white spots at the back of the throat or on the tonsils

Should you have contracted strep throat, another condition capable of causing pharyngitis, you might encounter fever, loss of appetite, nausea, white or grey patches within the throat, and unusual tastes. Mononucleosis, another ailment, presents similar symptoms; therefore, consult a doctor if you experience any of these. You may wonder if pharyngitis is contagious; the answer again depends on the underlying condition. Viral chest infections are typically contagious for several days, including before symptoms appear and sometimes after fever resolves.

The majority of pharyngitis cases are triggered by common viral infections, such as the common cold and influenza. Experiencing pharyngitis may also signal one of the following conditions: 

• Allergies: Allergic reactions can lead to postnasal drip (excess mucus flowing down the back of the throat), which can irritate the pharynx and instigate inflammation.

• Tonsillitis: The inflammation of the tonsils during tonsillitis can result in a sore and dry throat. 

• Bacterial Infections: Infections, including strep throat and bacterial sinus infections, are known causes of pharyngitis.

• Acid Reflux: Gastroesophageal reflux disease (GERD) can cause a burning and sore sensation in the throat due to stomach acid entering the esophagus. 

• Mouth Breathing: Often stemming from nasal congestion, breathing through the mouth can dehydrate the throat and induce pharyngitis.

• Tumors: In rare instances, pharyngitis can be an indicator of throat cancer.

• Smoking: Tobacco smoke can dry out and irritate the throat, contributing to pharyngitis.

In extremely rare situations, sexually transmitted infections (STIs), including gonorrhea or chlamydia, can be the cause of pharyngitis.

It might become necessary to contact a healthcare professional if you are suffering from pharyngitis. If any of the subsequent symptoms apply, you should seek medical assistance promptly:

• Your fever exceeds 38 degrees Celsius 

• A rash develops

• Your lymph nodes become swollen

• Your sore throat persists for a week or more

• Your symptoms do not improve or return after completing an antibiotic course 

• You experience joint swelling

• There is blood present in your saliva or phlegm 

• You encounter difficulty breathing

Generally speaking, if your symptoms surpass typical flu-like manifestations or if you find yourself in significant discomfort, it is advisable to seek medical help. Pharyngitis can indicate a more serious underlying condition, so consulting a doctor can clarify any uncertainties.

Should you visit a medical professional, they can conduct several evaluations to ascertain the cause and severity of your pharyngitis, along with the appropriate treatment steps. A doctor may opt to perform one of the following tests if you present with a sore throat:

• Physical Examination: A doctor will inspect your throat for discoloration, typically white or grey patches indicative of conditions like strep throat. They will also examine your ears, nose, and palpate your neck for signs of lymph node swelling.

• Throat Culture Tests: If your doctor suspects strep throat or another bacterial infection as the source of your pharyngitis, they can use a cotton swab to collect and test a sample of throat secretions. Some tests yield same-day results, while others may require about 24 hours for completion.

• Blood Tests: If a cause other than bacteria or common viruses is responsible for your sore throat, a doctor might request a blood test. Blood tests can identify various underlying causes and infections that could be contributing to your pharyngitis.

Since pharyngitis is a manifestation of an underlying condition, its treatment will vary based on the responsible ailment. In most instances, sore throats will resolve within a week, but during this period, several at-home interventions can alleviate pain and other secondary effects. At-Home Treatment Numerous remedies for sore throats are effective in easing the discomfort caused by the condition. Among the most frequently utilized sore throat remedies are:

• Saline rinses to soothe the throat and help reduce bacteria. 

• Humidifiers, to prevent dry air from irritating your sore throat. 

• Staying adequately hydrated to keep the throat moist and prevent irritation.

• Consuming honey (drinking/eating), a natural anti-inflammatory that can ease discomfort (not recommended for children under 1 year old).

• Sucking ice, to alleviate burning pain in the throat.

• Avoiding irritants like spicy, sharp, or hot foods to facilitate throat healing. For a particularly painful sore throat, it may be beneficial to take ibuprofen (if medically advised) or use throat lozenges to relieve pain. Certain herbs, including honeysuckle, licorice, marshmallow root, and sage, have been reported to mitigate pharyngitis symptoms, though definitive evidence is still being gathered. In some cases, home-based pharyngitis care will not be sufficient, and when this occurs, seeking medical attention is recommended.

If at-home care proves inadequate, your doctor can prescribe pharyngitis and common cold treatments specifically designed to address the root cause of your sore throat. These may include:

• Antibiotics: If a bacterial infection such as strep throat is the source of your pharyngitis, antibiotics will be necessary for its cure.

• OTC Antacids: Should your pharyngitis be caused by acid reflux (GERD), over-the-counter antacids may offer relief. For persistent GERD, a doctor might suggest stronger medications such as H2 blockers or proton pump inhibitors (PPIs).

• OTC Antihistamines: If severe allergic reactions are causing your sore throat, OTC antihistamines can help reduce these effects and prevent mucus buildup, which often leads to pharyngitis.

• Prescription Mouthwash: If your sore throat is linked to mouth sores or oral cancer, you might be given antibacterial or numbing mouthwash to alleviate pain. Furthermore, alcohol-free mouthwash helps prevent further irritation.

You can avert a sore throat in several ways, many of which overlap with common cold and flu prevention strategies. If you are concerned about pharyngitis, consider implementing one of the following lifestyle modifications:

• Do not share drinking or eating utensils with someone who has the condition.

• Avoid smoking.

• Wash your hands after sneezing or coughing. 

• Stay current with seasonal vaccines.

• Avoid close contact with others if you have a sore throat.

Common oral health issues include cavities and tooth decay, gum disease, staining, and sensitivity. The main culprit behind these is often plaque buildup a sticky bacterial film that forms on teeth. By consistently following a complete oral care routine, you can preemptively tackle these issues, leading to a stronger, healthier smile:

• Start your routine with Crest Clean Breath Toothpaste. This stannous fluoride formula works around the clock, actively fighting the bacteria that cause cavities and bad breath, so you enjoy a long-lasting, fresh, and clean feeling.

• Rinse with Crest Pro-Health Mouthwash: Swish with an antibacterial mouthwash like Crest Pro-Health Mouthwash to eradicate plaque bacteria, help deter new plaque formation, support gum health, and leave your mouth feeling thoroughly clean and refreshed.

• Brush 2X/day with an Oral-B iO Electric Toothbrush: An electric toothbrush, such as an Oral-B iO, helps eliminate up to 100% more plaque than a conventional manual toothbrush. Its dentist-inspired round brush head effectively surrounds each tooth, adapting to the contours of teeth and gums to ensure a cleaner, healthier smile even in hard-to-reach areas.

• Use Floss: Daily flossing assists in dislodging plaque and debris from between teeth. Incorporating flossing into your routine can help remove any lingering food particles and plaque buildup, offering an additional layer of protection.