Doctor insights on:
How Contagious Is Tonsillitis
Pass it by the mouth: Normally tonsillitis is not contagious unless the infected mucous lands on another person's mucosal membranes. Therefore, it is recommended to avoid kissing, drinking or eating from the same kitchenware of a person with tonsillitis. Cough with your hand covering your mouth, wash your hands and avoid sneezing on people. Those are the general precautions to be least contagious. ...Read moreSee 1 more doctor answer
Somewhat: Transmission during acute disease is unusual since most of these patients are i'll and not in the mood to be with others. However, in convalescence and years afterwards, ebv will be silently excreted in saliva. Called the kissing disease, infection can occur during this time by exposure to saliva. ...Read more
Contagious: You will be contagious until you have been on antibiotics for at least 24 hours and for up to 3 weeks if you are not treated with antibiotics. ...Read more
Extremely: Measles is transmitted via the respiratory route and an infected person can infect others up to 7 days prior to showing symptoms and up to 3-4 days after the onset of symptoms. It is important to protect yourself against this infection with the the MMR (mumps, measles and rubella) vaccination. ...Read moreSee 1 more doctor answer
Not long: Bacterial conjunctivits (not viral conjunctivitis) in adults requires some breakdown of the surface of someone exposed. Bacteria cannot penetrate the normal defenses unless the eye has had surgery, is traumatized or has some surface disturbance. Anti-bacterial topical medications provide an excellent treatment and so the bacterial count will drops rapidly in 2 days or so. ...Read moreSee 1 more doctor answer
Depends: Most pathogens that cause pneumonia are not contagious. Some organisms like MRSA can spread to healthy contacts and cause colonization. Some organisms like the virus, influenza can cause pneumonia and are contagious during the illness. Drug sensitive tuberculosis is contagious until several weeks into effective multi-drug therapy. ...Read more
Very, sort of.: When a person has chicken pox they never completely get rid of the virus. It hides in nerve cells. As immunity falls over time the virus can reactivate, travel to the skin and causes shingles. If you have never had, or been vaccinated for, chicken pox you could catch chicken pox from someone with shingles. Shingles exposure is also dangerous for pregnant women and the immune suppressed. ...Read moreSee 1 more doctor answer
Quite: Though not as bad as viral respiratory diseases, MRSA is contagious since it is spread by direct contact (skin-to-skin) with a person colonized or infected with the bacteria, or by contact with an inanimate object (a "fomite") that has MRSA on it such as soiled clothing that has come in direct contact with a person with mrsa. ...Read moreSee 1 more doctor answer
Depends: Strep can be carried in a contagious state indefinitely.Once treated, the spread is minimal after 24 hrs. Some people can pick up and carry the germ without infection, ever, while most would become symptomatic within 24-48 hrs. ...Read more
Ask the French: Probably more important to get that darned thing drained so you don't develop serious complications. And as far as being "contageous,"you've probably got residual inflammation for a few days after it is drained, so as long as you don't cough in someone's face or do any French kissing you won't pass it on. It may recur if no antibiotics are taken (or even with) so keep an "eye" on it for a while ...Read more
Strep throat: Strep is contagious for 24-36 hours.Get a more detailed answer ›
1 to 2 weeks: A viral pharyngitis lasts an average of one to two weeks, i believe the virus may be viable during that time and therefore, you should not cough or get close to children or adults who are healthy. A pediatrician or an infectious disease specialist are the 2 specialties in medicine that would be most knowledgeable to answer this type of question. ...Read more
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