
Streptococcal Infections | Strep Throat | MedlinePlus
Jun 29, 2025 · Streptococcal is a type of bacteria that can cause strep throat (group A) or blood infections (group B). Learn how they can be prevented and treated.
Streptococcal Infections - Infections - Merck Manual Consumer Version
Streptococcal infections are caused by any one of several species of Streptococcus. These gram-positive, sphere-shaped (coccal) bacteria (see figure How Bacteria Shape Up) cause many …
Streptococcus - Wikipedia
However, many streptococcal species are not pathogenic, and form part of the commensal human microbiota of the mouth, skin, intestine, and upper respiratory tract.
Streptococcal Infections - Infectious Diseases - MSD Manual ...
Dec 24, 2021 · Streptococcal Infections - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the MSD Manuals - Medical Professional Version.
Group A Streptococcal Infections: Types & Symptoms
May 2, 2022 · There are several types of group A streptococcal (GAS) infections that can range from mild infection, like a sore throat, to severe or life-threatening conditions.
Clinical Guidance for Group A Streptococcal Pharyngitis
Nov 18, 2025 · Cause Group A streptococcal pharyngitis is an infection of the oropharynx caused by Streptococcus pyogenes (group A strep bacteria). The incubation period of group A strep …
Strep throat - Symptoms & causes - Mayo Clinic
Nov 30, 2022 · Strep throat is caused by infection with a bacterium known as Streptococcus pyogenes, also called group A streptococcus. Streptococcal bacteria are contagious. They can …
The Different Types of Streptococci (Strep Bacteria)
Oct 23, 2025 · Here’s what to know about how the different types of streptococcal infections are spread, treated, and prevented.
Streptococcal infections (strep A and B) - Healthily
Streptococcal infections can affect the throat, skin, ear or nose. They are caused by a single group of bacteria, but vary in severity - from mild throat infections to pneumonia. Find out …
Streptococcus | Diagnosis & Disease Information
Jan 25, 2024 · Examine the pathology, including evaluation, diagnosis, and treatment, of streptococcus and streptococcal infections.