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What types of rashes are contagious

A 41-year-old member asked:
Dr. Morris Westfried
Dermatology 46 years experience
Viral,bacteria,fungi: Many skin rashes are caused by infections such as herpes, zoster, staph, and tinea. These rashes are all contagious and need to be treated.
Dr. Robert Jackson
Dermatology 43 years experience
Viral etc.: Viral bacteria and fungal rashes can be contagious.
Dr. John Chiu
Allergy and Immunology 57 years experience
Impetigo: Impetigo and scabies are two which came to mind. People with chickenpox are quite contagious although not necessarily through the skin alone.

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A 22-year-old female asked:
Dr. Robert Kwok
Pediatrics 33 years experience
Doctor can examine: Rashes are hard to describe in words. A doctor's exam, in-person or on video like on HealthTap, can help decide what rash bumps on the skin might be. ... Read More
A 28-year-old female asked:
Dr. Melissa Haglund
Internal Medicine 23 years experience
Most commonly fungal: Infections affect the feet. If there is redness, scaling and itching it is often a fungal infection (tinea pedis). But it could also be scabies if it ... Read More
A 29-year-old male asked:
Dr. Susan Rhoads
Family Medicine 38 years experience
Call doc or ER: You do not say how old your kid is, or if any other symptoms. I am concerned when you say brown vesicles all over. If an google image search of chic... Read More
A 28-year-old female asked:
Dr. John Berryman
Obstetrics and Gynecology 54 years experience
Patchy dermatitis ?': Patchy dermatitis with itching may be wither fungal or stress related. Psoriasis can take this form, and may be related to increased stress (job, emo... Read More
A 33-year-old member asked:
Dr. John Despain
Dermatology 37 years experience
Varies: This question is so open ended. Hours, days, weeks, months, years- depends upon the cause. Lets get a diagnosis!
A 45-year-old member asked:
Dr. Michael Dansie
Family Medicine 16 years experience
See your doctor: Rashes are notoriously difficult to diagnose online. You should see your family practice physician and have him look at it to determine the type of ra... Read More
A 32-year-old member asked:
Dr. Oscar Novick
Pediatrics 58 years experience
Viral rash: Yesmkst viral rashes are contagious.
A 41-year-old member asked:
Dr. Keith Ramsey
Adolescent Medicine 36 years experience
Yes: It is contagious to the touch. Use good hygiene, soap, water, etc.
A 29-year-old female asked:
Dr. Tanya Russo
Pediatrics 25 years experience
Roseola prevention: Roseola is a viral infection that is most contagious while the infected person is having the fever. It is generally not a dangerous illness, and peop... Read More

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