Microbial Diseases

Macular rashes

Flat, discolored spots on the skin that are usually red or pink, commonly caused by viral infections.

Measles (rubeola)

Highly contagious viral disease caused by Morbillivirus, characterized by high fever, cough, and a spreading rash.

Koplik spots

Small white spots that may appear inside the mouth before the rash develops in measles.

Rubella (German measles)

A milder viral infection caused by Rubivirus, dangerous during pregnancy due to the risk of congenital rubella syndrome.

Fifth disease (erythema infectiosum)

A viral infection caused by Parvovirus B19, associated with a facial rash resembling slapped cheeks.

Roseola

A viral infection caused by Roseolovirus (HHV-6, HHV-7), characterized by a sudden high fever followed by a rash.

Impetigo

Highly contagious bacterial skin infection usually caused by Staphylococcus aureus, resulting in red sores that form honey-colored crusts.

Smallpox

Severe contagious disease caused by the variola virus, characterized by fever and a widespread pustular rash.

Mpox (monkeypox)

Viral disease caused by the monkeypox virus, characterized by fever, swollen lymph nodes, and a rash.

Chickenpox (varicella)

An itchy vesicular rash caused by the Varicella-zoster virus, spreads easily through respiratory droplets.

Herpes simplex

Infection caused by herpes simplex virus (HSV) that produces painful vesicles on the skin or mucous membranes.

Folliculitis

Inflammation of hair follicles, commonly caused by Staphylococcus aureus, appearing as red bumps or pus-filled pimples.

Toxic shock syndrome (TSS)

A life-threatening condition caused by bacterial toxins, characterized by sudden high fever and rash resembling sunburn.

Necrotizing fasciitis

Rapidly spreading bacterial infection that destroys skin and connective tissues, often caused by Streptococcus pyogenes.

Dental caries

Tooth decay caused by the destruction of tooth enamel by bacteria like Streptococcus mutans.

Periodontal disease

Infections affecting the gums and supporting structures of the teeth, often caused by various bacteria.

Acute necrotizing ulcerative gingivitis

Severe bacterial gum infection associated with poor oral hygiene and characterized by painful, ulcerated gums.

Hepatitis A

Contagious liver infection caused by the hepatitis A virus (HAV), spreading through contaminated food and water.

Hepatitis B

Liver infection caused by hepatitis B virus (HBV), transmitted through blood and body fluids.

Influenza

Viral infection caused by influenza viruses, characterized by sudden fever, chills, and respiratory symptoms.

Pneumonia

Lung infection that can be caused by bacteria, viruses, or fungi, resulting in symptoms like cough, fever, and difficulty breathing.