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Strep Throat and Other Common Throat Infections: A Comparison

June 02, 2023 | Dr. Tayyab Saeed Akhter

Have you ever had a sore throat and wondered if it was more than just a cold? Throat infections are common, and while some are typically mild, others may require prompt medical attention. In this blog post, we'll compare one of the most prevalent types of throat infections - strep throat - with a couple of others and explore their differences. We'll also cover some of the symptoms, diagnostic tests, and treatment options available for these infections.

Strep Throat: Causes, Symptoms, and Contagiousness

Strep throat is a bacterial infection caused by a group of bacteria called Streptococcus pyogenes. This bacterium is notorious for causing several conditions, including strep throat, scarlet fever, and impetigo. Strep throat typically presents with symptoms such as severe sore throat, difficulty swallowing, fever, and swollen lymph nodes. Left untreated, it can lead to serious conditions such as rheumatic fever, kidney damage, and sepsis.

Strep throat is highly contagious and spreads through contact with an infected person's respiratory droplets, such as coughing or sneezing. It can also spread through direct contact with surfaces contaminated with the bacteria. It's important to note that a person with strep throat can be contagious even before showing symptoms.

Diagnosis and Treatment of Strep Throat

 The diagnosis of strep throat is usually made through a combination of clinical evaluation and laboratory tests. The most common diagnostic methods include the rapid strep test and throat culture. Both tests involve swabbing the back of the throat to collect a sample that doctors then examine for the presence of Streptococcus pyogenes. The rapid strep test provides quick results, while the throat culture is more accurate but takes longer.

Prompt antibiotic treatment is key in managing strep throat since the condition can worsen and become more severe if left untreated. Antibiotics such as penicillin or amoxicillin are commonly prescribed to treat strep throat. It's essential to complete the entire course of antibiotics as the healthcare provider prescribes, even if symptoms improve before the medication is finished.

Other Common Throat Infections

Two of the most common throat infections besides strep throat are viral pharyngitis and tonsillitis. Viral pharyngitis typically accompanies a cold and presents with symptoms such as sore throat, congestion, and coughing. Tonsillitis is an infection of the tonsils that also presents with a sore throat, fever, and swollen tonsils. Unlike strep throat, which is a bacterial infection, these two types of throat infections are caused by viruses.

Comparison of Strep Throat with Other Throat Infections

 The primary difference between strep throat and other common throat infections is that strep throat is bacterial, while viral pharyngitis and tonsillitis are viral. Clinical presentation can also differ, with strep throat more commonly presenting with a severe sore throat and fever. Strep throat is more contagious than viral infections, and people infected with the bacteria can unknowingly transmit it to others. It's important to differentiate between bacterial and viral throat infections as the treatment approaches differ. Bacterial infections may require antibiotics, while viral infections are typically managed by addressing the symptoms and allowing the immune system to fight the virus.

Potential Complications and Long-Term Effects

 Leaving strep throat untreated can lead to severe complications, such as rheumatic fever and post-streptococcal glomerulonephritis. Rheumatic fever is a condition that affects the heart, joints, and skin, and post-streptococcal glomerulonephritis can lead to kidney damage. It's, therefore, crucial to receive a proper diagnosis and prompt treatment to prevent these long-term effects.

Prevention and Hygiene Practices

 Prevention of throat infections begins with practicing good hygiene. This includes washing hands regularly with soap and water for at least 20 seconds, covering the mouth and nose with a tissue or the elbow when coughing or sneezing and avoiding close contact with individuals who are ill. Maintaining a strong immune system through a healthy lifestyle, including a balanced diet, regular exercise, adequate rest, and staying hydrated, is also important.


Proper hygiene and care can go a long way in preventing throat infections. While strep throat is a bacterial infection that requires prompt medical treatment, viral infections can often be managed by addressing the symptoms and allowing the immune system to fight off the virus. If you suspect you may have a throat infection, it's always best to seek medical attention immediately. Stay healthy and consult with a healthcare professional for personalized guidance. Cura4U is an excellent one-stop healthcare platform where you can easily schedule appointments for labs and radiology and see licensed healthcare providers at an affordable price. Book your appointment now on the Cura4U platform.


Our clinical experts continually monitor the health and medical content posted on CURA4U, and we update our blogs and articles when new information becomes available. Last reviewed by Dr. Saad Zia on June 2nd, 2023.



Strep Throat: All You Need to Know | CDC- https://www.cdc.gov/groupastrep/diseases-public/strep-throat.html

Diagnosis and Management of Group a Streptococcal Pharyngitis in the United States, 2011–2015 | BMC Infectious Diseases | Full Text (biomedcentral.com)- https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-019-3835-4

Diagnosis and Treatment of Streptococcal Pharyngitis | AAFP- https://www.aafp.org/pubs/afp/issues/2009/0301/p383.html

Diagnosis and Treatment of Streptococcal Pharyngitis | AAFP (cochranelibrary.com)- https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000023.pub4/full

Incidence and clinical variables associated with streptococcal throat infections: a prospective diagnostic cohort study | British Journal of General Practice (bjgp.org)- https://bjgp.org/content/62/604/e787.short

Does This Patient Have Strep Throat? | Infectious Diseases | JAMA | JAMA Network- https://jamanetwork.com/journals/jama/article-abstract/193357


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