Can you have abdominal pain with mono?

Author

Andrew Walker

Published Feb 16, 2026

Can you have abdominal pain with mono?

Splenic rupture in infectious mononucleosis invariably presents with abdominal pain and tenderness, with variable signs of peritoneal irritation. Abdominal pain is a rare feature of uncomplicated infectious mononucleosis, even in the presence of splenomegaly—occurring in only 1-2% of patients in one report.

Besides, can you have stomach pain with mono?

Mononucleosis, commonly called mono, is an infectious disease usually caused by the Epstein-Barr virus. Mono can also make the liver swell, which can cause pain in the right side of the abdomen, as well as jaundice (a yellowing of the skin), nausea, vomiting, and poor appetite.

Also Know, what does Mono feel like in the beginning? At the onset of mono, the severe tiredness is tied to key initial symptoms of the EBV infection. EBV causes a sore throat and swollen neck glands along with malaise, a general feeling of ill health.

Similarly, you may ask, can EBV cause abdominal pain?

Although abdominal pain is not a classic symptom of EBV infection, there are reports of EBV-associated acute abdomen [9], and EBV infection may also be associated with recurrent abdominal pain.

Can mono flare up?

Most people who have infectious mononucleosis (mono) will have it only once. Rarely, however, mononucleosis symptoms may recur months or even years later. Most cases of mononucleosis are caused by infection with the Epstein-Barr virus (EBV). Periodically, however, the virus may reactivate.

How long does abdominal pain last with mono?

You experience intense pain in the upper left side of your abdomen. Your symptoms seem to be getting worse after one to two weeks.

Does Mono cause digestive problems?

Infectious mononucleosis is Epstein-Barr virus (EBV) inducing a self-limiting clinical syndrome characterized by fever, sore throat, hepatosplenomegaly, and generalized lymphadenopathy. Gastrointestinal symptoms of EBV infection are nonspecific and occur rarely.

What is the last stage of mono?

For some people, their liver or spleen or both may remain enlarged even after their fatigue ends. Most people get better in two to four weeks; however, some people may feel fatigued for several more weeks. Occasionally, the symptoms of infectious mononucleosis can last for six months or longer.

What would happen if Mono is left untreated?

If mono goes untreated, severe complications may arise. Your liver may become inflamed by the development of hepatitis. And although rare, you may experience anemia, heart inflammation, nervous system malfunctions and a decrease in vital clotting blood cells called platelets.

Can Mono cause acid reflux?

There is no known link between mononucleosis infection and a hiatal hernia. The Epstein Barr Virus that causes mono infects lymphocytes (immune cells) does not have an effect on the stomach like that. A hiatal hernia is a condition where part of the stomach moves above the diaphragm where it is not supposed to be.

Is spleen pain normal with mono?

The spleen is a small organ normally about the size of your fist. Mononucleosis may cause enlargement of the spleen. In extreme cases, your spleen may rupture, causing sharp, sudden pain in the left side of your upper abdomen. If such pain occurs, seek medical attention immediately — you may need surgery.

When should you go to the hospital with mono?

Get medical care right away if you have severe belly pain or blurry vision, if you feel lightheaded or confused, or if you pass out. You could have a ruptured spleen. Talk to your doctor if: You have mono symptoms for longer than 10 days or you have a severe sore throat for more than a day or two.

What are the stages of mono?

Mono proceeds in three phases. First, a prodrome lasting 1-2 weeks with few if any symptoms. Second, an acute phase lasting 2 to 6 weeks during which the individual may be very sick with fevers, swollen glands, severe sore throat, and exhaustion.

What are the symptoms of Epstein Barr?

Epstein-Barr virus causes a number of diseases, including infectious mononucleosis. The virus is spread through kissing. Symptoms vary, but the most common are extreme fatigue, fever, sore throat, and swollen lymph nodes. A blood test is done to confirm the diagnosis.

What are the symptoms of chronic Epstein Barr?

If you do get symptoms, most likely you'll have:

Fatigue.
Fever.
Lack of appetite.
Rash.
Sore throat.
Swollen glands in the neck.
Weakness and sore muscles.

What does Epstein Barr feel like?

The bottom line. EBV infection is very common and is spread by coming into contact with infected bodily fluids. Often, people are infected during childhood and don't experience any symptoms. If a teenager or adult is infected, they may experience symptoms like fatigue, swollen lymph nodes, and fever.

Is Epstein Barr serious?

The Epstein-Barr virus (EBV), a member of the herpesvirus family, is found throughout the world. Even mild or non-life-threatening infection with EBV can, occasionally, be associated with the development of serious complications from the infection.

Does EBV cause body aches?

Good to know: While it is not known for sure whether the Epstein-Barr virus causes chronic fatigue syndrome, most people with infectious mononucleosis experience severe fatigue as a prominent symptom of the condition. Other symptoms include: ¹³⁶⁷⁸. Body aches.

Can you have Epstein Barr virus and not know it?

The bottom line. EBV infection is very common and is spread by coming into contact with infected bodily fluids. Often, people are infected during childhood and don't experience any symptoms. If a teenager or adult is infected, they may experience symptoms like fatigue, swollen lymph nodes, and fever.

Can Epstein Barr virus cause dizziness?

Vertigo caused by such an ear infection is usually due to a virus or bacteria, such as Epstein-Barr virus, rubella, mumps, measles, influenza, hepatitis, polio, and herpes virus. Symptoms of dizziness along with other symptoms last as long as the inner ear is inflamed.

How does Epstein Barr virus affect the body?

EBV infection can affect a person's blood and bone marrow. The virus can cause the body to produce an excessive number of white blood cells called lymphocytes (lymphocytosis). EBV can also weaken the immune system, making it more difficult for the body to fight infection.

Does Epstein Barr virus cause chronic fatigue syndrome?

Appreciate that EBV may trigger chronic fatigue, but it does not cause chronic fatigue. The fatigue of EBV infection usually resolves within 3 months and uncommonly lasts for longer than 6 months. In summary, acute, but not chronic, fatigue is a feature of EBV infectious mononucleosis.

How can I speed up the recovery of mono?

Things you can do to help yourself feel better while you have mono:

Get lots of rest.
Drink plenty of fluids.
Eat healthy foods.
Gargle with salt water (but don't swallow), drink tea with honey, try throat lozenges, or suck on an ice pop if you have a sore throat.

Can you get mono from giving oral?

Technically, yes, mono can be considered a sexually transmitted infection (STI). The virus can be transmitted through sexual contact, but it's most often transmitted through saliva. That's why many people have dubbed it the “kissing disease.” But it's more complex than it sounds.

How quickly do mono symptoms show up?

It takes a while for mono symptoms (like tiredness, fever, muscle aches, headache, or sore throat) to show up — about 1–2 months, in fact. This is called the incubation period. To make things even more confusing, some people can carry the virus without ever getting any mono symptoms.

What other illness has the same symptoms as mono?

Beware: There are other diseases that can mimic mononucleosis:

Cytomegalovirus (CMV) mononucleosis.
Toxoplasma gondii infection.
Acute retroviral syndrome due to HIV infection.
HHV-6 (human herpes virus 6)
Adenovirus infection.
Primary infection with herpes simplex virus type 1.
Strep pyogenes pharyngitis (“strep throat”)

How long is a person contagious with mono?

This is called the incubation period. Once your symptoms do appear, they may last for two to four weeks. You can pass the virus to other people through your saliva for up to three months after your symptoms subside. Some studies have reported that you may still be contagious for up to 18 months.

Can mono come back with stress?

Most people will only get mono once, but the infection can make a comeback in rare cases. It's incredibly rare for mono to return after the first infection. When the virus does reactivate, it usually doesn't cause symptoms. That said, symptoms are still possible.

Do you always test positive for mono after having it?

Once you have had mono, it is extremely unlikely that you will get it again unless you have a serious problem with your immune system. The basic blood test for mono can stay positive for a year or longer, even after you have fully recovered from mono.

Can you be hospitalized for mono?

Symptoms: Symptoms usually appear 20-50 days after infection. Symptoms may be so mild that one can have mono without knowing it. In other cases, symptoms may be severe enough to require hospitalization.

Can I go to work with Mono?

For some, significant tiredness lasts for weeks to months. Many people with mono develop an enlarged spleen, which can last for a few weeks or longer. Although you can return to school or work when you are feeling better, it's important to avoid activities that can cause injury to the spleen.

What are the symptoms of a mono relapse?

They can include:

severe fatigue.
fever.
sore throat.
headache.
body aches.
swollen lymph nodes in your neck.
swollen tonsils.

Can Mono cause joint pain?

Infectious mononucleosis (say: in-feck-shuss mon-oh-new-clee-oh-siss), or mono, often is caused by the Epstein-Barr virus. Mono usually is not serious, but some people with mono feel very tired and have pain in their joints that lasts for several weeks.

Does Mono permanently weaken immune system?

EBV infection can affect a person's blood and bone marrow. The virus can cause the body to produce an excessive number of white blood cells called lymphocytes (lymphocytosis). EBV can also weaken the immune system, making it more difficult for the body to fight infection.

What causes mono to reactivate?

Most cases of mono result from an infection with the Epstein-Barr virus (EBV). EBV spreads from person to person through saliva — which is why mono is often called the “kissing disease” — and other body fluids. The virus may be more likely to reactivate and cause symptoms in people who have a weakened immune system.

Can mono affect your heart?

Although IM is regarded as a benign disease, it is known to affect multiple organ systems with potential complications to the liver, spleen, pharynx, and heart. Pericarditis, with or without effusion, is the most common cardiac complication of IM.

Can you have a relapse of mono?

Most people who have infectious mononucleosis (mono) will have it only once. Rarely, however, mononucleosis symptoms may recur months or even years later. Most cases of mononucleosis are caused by infection with the Epstein-Barr virus (EBV). Periodically, however, the virus may reactivate.

What does fatigue from mono feel like?

The fatigue level peaks and eventually falls, but will persist in a less severe form. At the onset of mono, the severe tiredness is tied to key initial symptoms of the EBV infection. EBV causes a sore throat and swollen neck glands along with malaise, a general feeling of ill health.

Can Mono cause back pain?

Along with other symptoms, mono can cause the spleen to get bigger. Enlarged spleen symptoms include: left side abdomen pain. back pain.

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