Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Maculopapular rash
Introduction
Overview
Overview
A maculopapular rash (little spots or bumpy bumps) is a flat red rash which includes macules and papules by definition. The rash may include pimples or spots similar to those caused by measles.
A macule is a flat discoloured area. A papule is a small raised lump. A maculopapular rash is a flat, red area on the skin that is covered with small confluent bumps.
This type of rash is common in patients experiencing Scarlet fever.
This type of rash can be as a result of large doses of niacin or no flush niacin,(2000 – 2500 mg.) sometimes used for the management of low HDL cholesterol.
Causes
Causes
Causes by Organ System
| Cardiovascular | No underlying causes |
| Chemical/Poisoning | No underlying causes |
| Dental | No underlying causes |
| Dermatologic | No underlying causes |
| Drug Side Effect | Cytarabine, Fluorouracil, Niacin, Tiagabine |
| Ear Nose Throat | No underlying causes |
| Endocrine | No underlying causes |
| Environmental | No underlying causes |
| Gastroenterologic | No underlying causes |
| Genetic | No underlying causes |
| Hematologic | No underlying causes |
| Iatrogenic | No underlying causes |
| Infectious Disease | No underlying causes |
| Musculoskeletal/Orthopedic | No underlying causes |
| Neurologic | No underlying causes |
| Nutritional/Metabolic | No underlying causes |
| Obstetric/Gynecologic | No underlying causes |
| Oncologic | No underlying causes |
| Ophthalmologic | No underlying causes |
| Overdose/Toxicity | No underlying causes |
| Psychiatric | No underlying causes |
| Pulmonary | No underlying causes |
| Renal/Electrolyte | No underlying causes |
| Rheumatology/Immunology/Allergy | No underlying causes |
| Sexual | No underlying causes |
| Trauma | No underlying causes |
| Urologic | No underlying causes |
| Miscellaneous | No underlying causes |
Causes in Alphabetical Order
- List the causes of the disease in alphabetical order. You may need to list across the page, as seen here
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]