Which of the following statements is NOT true regarding streptococcal pharyngitis?

• A. It is most commonly caused by Streptococcus pyogenes.
• B. Complications can include rheumatic fever if left untreated.
• C. Antibiotic treatment is generally ineffective against this infection.
• D. It typically presents with a sore throat, fever, and swollen lymph nodes.

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the nature of streptococcal pharyngitis, which is an infection of the throat caused primarily by the bacterium Streptococcus pyogenes (Group A Streptococcus).
2. Step 2: Review the common clinical features of streptococcal pharyngitis, such as sore throat, fever, and swollen lymph nodes, which are typical symptoms of this infection.
3. Step 3: Recognize the potential complications if the infection is left untreated, including rheumatic fever, which is an inflammatory disease that can affect the heart, joints, and other tissues.
4. Step 4: Evaluate the effectiveness of antibiotic treatment for streptococcal pharyngitis. Antibiotics, especially penicillin or amoxicillin, are generally effective in treating this infection, reducing symptoms, and preventing complications.
5. Step 5: Identify the statement that is NOT true by comparing it against the established facts: since antibiotic treatment is effective, the statement claiming it is generally ineffective is incorrect.