Infectious mononucleosis, often called mono, is a contagious viral infection frequently caused by the Epstein-Barr virus. It is commonly transmitted through saliva, leading to symptoms such as sore throat, fever, and swollen glands. Most cases are self-limiting, but rest and fluids help in recovery.

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Infectious Mononucleosis FAQ


What are the common symptoms of mononucleosis?

Common symptoms include sore throat, fever, swollen glands, and fatigue.

Is mononucleosis contagious?

Yes, mononucleosis is contagious, mainly through saliva.

How long does it take to recover from mononucleosis?

Recovery time varies but can take several weeks to a few months.

Can mononucleosis lead to any complications?

In some cases, mononucleosis can lead to complications such as an enlarged spleen or liver.

Are there specific medications to treat mononucleosis?

While no specific antiviral medications are prescribed, certain medicines can help manage symptoms.

Treatment primarily involves rest, staying hydrated, and managing symptoms with over-the-counter pain relievers.

Can mononucleosis recur?

Once a person has been infected with the Epstein-Barr virus, it remains dormant in the body and can reactivate, but recurrence of typical mononucleosis is rare.

Is there a vaccine for mononucleosis?

Currently, there is no vaccine available specifically for mononucleosis.

What precautions should be taken to prevent the spread of mononucleosis?

Avoiding close contact, sharing utensils, or kissing when infected can help prevent the spread of the virus.

Can mononucleosis be diagnosed through blood tests?

Yes, blood tests can help diagnose mononucleosis by detecting antibodies to the Epstein-Barr virus.

Does mononucleosis only affect young people?

Although it's most common in adolescents and young adults, mononucleosis can affect individuals of any age.

Is it safe to exercise when recovering from mononucleosis?

It's best to avoid strenuous physical activity until a healthcare provider confirms it's safe to resume.

Can mononucleosis cause long-term effects on health?

Most individuals recover fully, but in rare cases, complications can lead to long-term effects. Seeking medical advice is recommended.

What can be done to alleviate the discomfort of a sore throat caused by mononucleosis?

Gargling with warm salt water and using over-the-counter throat lozenges can help soothe a sore throat.

Can mononucleosis be spread through the air?

Though the virus can be present in respiratory secretions, mononucleosis is primarily spread through close contact.

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Information provided by Maryam Abdullahi-Mahdi. Reviewed by Mr. Matthew Liew