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Doctor insights on: Mono Test Negative

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Man. Diff value: WBC 7.2, RBC 4.6, PLT 256, neutrophil 37, lymphocytes 47 with atypical lymphocytes at 10. Mono test negative. What could be going on?

Man. Diff value: WBC 7.2, RBC 4.6, PLT 256, neutrophil 37, lymphocytes 47 with atypical lymphocytes at 10. Mono test negative. What could be going on?

Context...: A CBC without context (meaning symptoms, why it was done) is not particularly useful and nearly NEVER diagnostic for anything. Without knowing anything about your health when you had this blood drawn, I would say that the atypical lymphocytes are indicative of a viral illness and would not be concerned unless you have symptoms that are not improving and that you find worrisome. ...Read more

Dr. Michael Ein
775 Doctors shared insights

Mono (Definition)

Infectious mononucleosis, also known as mono, is a contagious illness caused by the Epstein-Barr virus. Symptoms include fever, fatigue, sore throat, enlarged lymph nodes, and enlarged spleen. It is spread via saliva, hence its ...Read more


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Can infectious mononucleosis (mono test negative- but antibodies positive- I had it in the past) be the reason for increased TSH? Is T4 necessary?

Can infectious mononucleosis (mono test negative- but antibodies positive- I had it in the past) be the reason for increased TSH? Is T4 necessary?

Unrelated: And T4 / free T4 is necessary if you have abnormal TSH reading, however, clinical context is more important, the doctor who ordered the tests is the best to judge which way to go, good luck ...Read more

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Was tested for mono. Test negative. Still thinks it was mono I had. Could the test been wrong?

Was tested for mono. Test negative. Still thinks it was mono I had. Could the test been wrong?

EBV: Infectious mononucleosis is caused by the epstein-barr virus. Testing is complicated, and depending upon what method of testing was employed and the timing of the tests it is possible that the test was falsely negative, but that would be unusual. There are many infections that simulate infectious mono and you should clearly be tested for hiv. Good luck. ...Read more

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Had mono test came back negative. Scared it's HIV because soar throat. Also have bumps on back of tongue doc said it's my taste buds inflamed.

Had mono test came back negative. Scared it's HIV because soar throat. Also have bumps on back of tongue doc said it's my taste buds inflamed.

Sore throat: You can have a sore throat from many causes, including mono, strept throat and cold, and other viruses. But if you worry that you are at risk for HIV, perhaps you can ask your doctor to test for it so you can have peace of mind, and not be scared if you don't have it. ...Read more

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I have a sudden onset of a sore throat, swollen lymph nodes, sore neck and headache. I'm also fatigued. Had a strep and mono test come back negative?

I have a sudden onset of a sore throat, swollen lymph nodes, sore neck and headache. I'm also fatigued. Had a strep and mono test come back negative?

Need a flu test: Although symptoms did not include fever or body aches or fatigue. Common colds or viral pharyngitis can present the same way. Use over the counter medicines to alleviate the throat and headache, such as Cepacol and ibuprofen respectively. If things don't improve after 3 days, u would need to see a healthcare provider then. ...Read more

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14 year old son with elevated alkaline phosphate at 189. Complained of fatigue. Mono and thyroid test negative. Should I be concerned?

14 year old son with elevated alkaline phosphate at 189. Complained of fatigue. Mono and thyroid test negative. Should I be concerned?

Ok: Alkaline phosphate levels in children are often marked as HIGH as labs will use adult numbers as reference. This marker is present in liver, bones, muscles and intestines. As teens are in major growth of both bones and muscles they often have higher levels than adults. Without knowing the rest of the history or lab issues I don't think this lab value is a clue to the fatigue.
http://www. Mayomedicallaboratories. Com/test-catalog/Clinical+and+Interpretive/8340 ...Read more

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Mono and strep test negative. Second set of antibiotics. 2 weeks of lasting swollen tonsils and white blisters in throat. What could this be?

Tonsilitis: This may be Herpes simplex, Coxsackievirus or adenovirus infection (Herpangina), or several other possible causes. Mononucleosis-like syndromes occur with Toxoplasmosis, cytomegalovirus and other infections. You might want to be seen by an infectious diseases doctor. Hope you are better soon. ...Read more

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Doc said "faintly positive" mono test because he saw I carried the antibody. 4 months ago with same symptoms 2 negative mono tests. Lymphoma?

Doc said "faintly positive" mono test because he saw I carried the antibody. 4 months ago with same symptoms 2 negative mono tests. Lymphoma?

Monotest: A monotest may be negative in the early stage of infectious mononucleosis and turn positive after a week or two. If your liver enzymes and CBC with differential cell count show no abnormalities, the mono has cleared. Lymphoma isn't often diagnosed by simple blood tests and requires a physical exam, xrays, scan and biopsies for definitive diagnosis. ...Read more

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2months ago my Son got stomatitis sore Trough fever neck lymphNode enlargement&Parotitis. Lost appetite. Mono test neg. He recovered but lost weight now.

2months ago my Son got stomatitis sore Trough fever neck lymphNode enlargement&Parotitis. Lost appetite. Mono test neg. He recovered but lost weight now.

Herpangina?: This may be an infection with the coxsackie virus. It's miserable, affects the back of the throat with blisters / little ulcers, and is something one simply has to recover from. Vigorous physical exercise may be a big help right now. Best wishes. ...Read more

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Dull pain in upper left anterior under rib cage with stabbing pains, gradually getting worse for a week, headache, fatigue, neg. Mono test?

Dull pain in upper left anterior under rib cage with stabbing pains, gradually getting worse for a week, headache, fatigue, neg. Mono test?

Costochondritis: Costochondritis is inflammation of cartilage between the ribs and is associated with a viral illness, smoking, and other causes such as trauma to the area, physical activity straining the rib cage, arthritis and other causes. Try ice on area, ibruprofen/tylenol to relieve pain, avoid activity that makes it hurt. Check with doctor for to determine cause of pain. Physical therapy after doctor chkup. ...Read more

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2months ago I got stomatitis sore trough fever neck lymph node enlargement &parotitis. Lost appetite. Mono test neg. I'm recovered but I lost weight now.

2months ago I got stomatitis sore trough fever neck lymph node enlargement &parotitis. Lost appetite. Mono test neg. I'm recovered but I lost weight now.

Loss of weight: Symptoms such as; Lymph node enlargement, fever, and loss of weight are worrisome in a 71 year old person. You may be recovering from some inflammatory of infectious cause. However, I would highly recommend you, check your doctor for additional work up. ...Read more

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Have sore throart, swollen glands, no voice, for a month, did mono and strep test, both negative, dr not to sure what is cauing this, why?

Have sore throart, swollen glands, no voice, for a month, did mono and strep test, both negative, dr not to sure what is cauing this, why?

Hoarse - sore throat: Hello.
It sounds like there may be a viral, GERD or allergy component to your ailments. I would recommend an evaluation from your ENT physician who could perform an endoscopic examination of the throat to see the vocal cords and lining to determine what the source of the inflammation is. ...Read more

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Docs overlooking lymphoma? Months w/ab pain, rectal blood (cscope ok), lymph pain, non-healing acne, episodic fuo. Neg mono test. Latest labs = high ldh, high lipase, low globulin, pos for atyp wbcs

Docs overlooking lymphoma? Months w/ab pain, rectal blood (cscope ok), lymph pain, non-healing acne, episodic fuo. Neg mono test. Latest labs = high ldh, high lipase, low globulin, pos for atyp wbcs

.: I'm not exactly sure what you mean by lymph pain. But if you are having episodes of fevers and chills, unexplained abdominal pain for months, high ldh, this could warrant a ct scan with contrast (if kidneys okay) to look for a cause. Could be lymphoma but most probably not as lymphoma is not that common. Talk to your doctor. ...Read more

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Should I go to the er? The doctor thinks I have mono, I got a mono and strep test done, both coming back negative, but the doctor says a mono test will usually come back negative in the first week. I have sore lymph-nods on my right hip, armpits and neck.

Should I go to the er? The doctor thinks I have mono, I got a mono and strep test done, both coming back negative, but the doctor says a mono test will usually come back negative in the first week. I have sore lymph-nods on my right hip, armpits and neck.

If: If you are having trouble breathing or if you are having difficulty swallowing liquids (other than pain) you should go to the emergency room. You don't ever want to be in a position that you can not get oxygen. If you are having symptoms of possible mononucleosis (but you are not in acute distress) you should call your doctor back as he will likely need to re-examine you and get updated history for your new signs and symptoms. You sound like you feel really yucky. Hope you feel better soon. ...Read more

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Sore throat, headache, fatigue, & malaise x3 wks. Sore throat has lingered for 4-4.5 wks. No fevers. Neg throat culture & mono test. Causes?

Sore throat, headache, fatigue, & malaise x3 wks. Sore throat has lingered for 4-4.5 wks. No fevers. Neg throat culture & mono test. Causes?

Posibilities: My first thought would focus on the nasal airway. If you have allergies/irritants/sinus swelling that narrows the nasal airway your mouth breathing during sleep will cause a sore throat. This can be aggravated in an environment like a heated house, because low humidity adds to the problem. A humidifier and generous use of nasal saline may give you some relief. ...Read more

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15 year old boy has had sore throat for 2 weeks one swollen lymph node on right side he has no fever no cold symptoms. Negative strep and mono test

15 year old boy has had sore throat for 2 weeks one swollen lymph node on right side he has no fever no cold symptoms. Negative strep and mono test

Probably virus: Your description is that of a typical viral pharyngitis. If the sore throat persists longer than two more weeks, then take him back to the doctor. Seems as though the doctor did all that is indicated in this case from your brief description. ...Read more

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Fast pulse. 99.4 fever off and on for couple mths. Thyroid ok. Cbc ok. Metabolic ok. Mono test showed past inf. But high nuclr. Missed period. Lupus panel neg. Serum protein ok. Ana + 1:640. Sed 30.

Fast pulse. 99.4 fever off and on for couple mths. Thyroid ok. Cbc ok. Metabolic ok. Mono test showed past inf. But high nuclr. Missed period. Lupus panel neg. Serum protein ok. Ana + 1:640. Sed 30.

What is your: Question? Many people, particularly if they're overweight have a faster than normal heart rate. Sounds like everything has checked out ok so far, but if you still have fevers, let your doctor investigate if indicated. ...Read more

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What happens if you have a positive mono test, can you be misdiagnosed?

Screening test: The so called "Mono test" is a screening test and is not specific for a particular infection. At least two different infections, EBV and CMV can give a positive result. There are false positives with this test and like any other screening test the results of this test need to be confirmed. ...Read more

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Can you tell me if you have a positive mono test, can you be misdiagnosed?

Yes, Mono test is: Not a specific test for a given disease. Infection with many viruses can cause a positive "mono test". The commonest viruses are epstein barr virus and cytomegalovirus and a few other infections, so, it can lead to mis-diagnosis. See this site for more info.
http://www. Nlm. Nih. Gov/medlineplus/ency/article/003454.htm. ...Read more

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My dad has mono (test conf) -no symp. He's with my 2yo abt 2hrs, 2x a week. No food/utensil sharing but close interaction. How likely is son to have it?

My dad has mono (test conf) -no symp. He's with my 2yo abt 2hrs, 2x a week. No food/utensil sharing but close interaction. How likely is son to have it?

Little risk: Infectious mono is rare beyond age 20-25. However, assuming your dad's diagnosis is correct, it's not so easily transmissible -- usually by sex or intimate kissing. He should use common sense hygiene and avoid directly exposing your son to his saliva. But normal child-grandfather interactions pose little if any risk. (Your child is at much higher risk of this virus from kids in day care etc.) ...Read more

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Waiting on mono test, classic symptoms, then sudden mid to lower bad abdominal pain goes to back. Could this be related to mono? Should I seek er help

Get yourself chk'd: The sudden bad abdominal pain radiating to the back does suggest that you should get yourself checked. Spleen rupture is a known complication of mono and should be excluded. Only an examination and close follow up will reveal if all is well. ...Read more

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12yr son extreme fatigue n bad calf pain. Waiting on mono test but ck level came back high. Related to mono or diff. Concern? Asked Asked urine. Y

12yr son extreme fatigue n bad calf pain. Waiting on mono test but ck level came back high. Related to mono or diff. Concern? Asked Asked urine. Y

Muscle inflamation: Fatigue and calf pain suggest the high CPK originates from the muscle, and would be expected with that symptom. Calf pain suggests influenza B to me, but other viruses can also trigger it. Followup with your doc. ...Read more

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1cm pos cervical node swollen and hard, mono test + for infection within 6 weeks or so. Energy back, node still up. How long to wait to check on this?

1cm pos cervical node swollen and hard, mono test + for infection within 6 weeks or so. Energy back, node still up. How long to wait to check on this?

Watch and wait: As long as the node does not get larger, it should not be a cause for concern. The node may be unrelated to mono. Check the size of the node about once a week and see your doctor, if it gets bigger. ...Read more

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Ultrasound to check gallbladder showed enlarged spleen? Nurse gave me the values 9.3 and 480 upper limit but didn't elaborate. Recommended mono test?

Ultrasound to check gallbladder showed enlarged spleen? Nurse gave me the values 9.3 and 480 upper limit but didn't elaborate. Recommended mono test?

Enlarged spleen: Needs a work-up and mono is one of the more common causes for the acute enlargement. If negative, then other potential causes need to be considered. ...Read more

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My splenic index was 903 on UltraSound. All my doctor ordered was a mono test, I have symptoms. Recent CBC was ok. Don't I need more tests?

My splenic index was 903 on UltraSound. All my doctor ordered was a mono test, I have symptoms. Recent CBC was ok. Don't I need more tests?

Talk to doctor: This is something you need to discuss with your doctor since we don't know enough about what have been done or what type of symptoms you are having. ...Read more