I
Impetigo - Contagious skin disease charcterized by pustules

Inanition - Physical condition resulting from lack of food

Infantile Paralysis - Polio

Intestinal Colic - Abdominal pain due to improper diet


J
Jail Fever - Typhus

Jaundice - Condition caused by blockage of intestines


K
King's Evil - Tuberculosis of neck and lymph glands

Kruchhusten - Whooping cough


L
Lagrippe - Influenza

Lockjaw - Tetanus or infectious disease affecting the muscules of the neck and jaw. Untreated, it is fatal in 8 days.

Long Sickness - Tuberculosis

Lues Disease - Syphilis

Lues Venera - Venereal disease

Lumbago - Back pain

Lung Fever - Pneumonia

Lung Sickness - Tuberculosis

Lying In - Time of delivery of infant