Infectious Mononucleosis

ExitCare ImageInfectious mononucleosis (mono) is a common viral infection. You can get mono from close contact with someone who is infected. If you have mono, you may have a sore throat, headache, feel tired, or have a fever.


  • Drink enough fluids to keep your pee (urine) clear or pale yellow.

  • Eat soft foods. Eat cold foods (frozen ice pops, ice cream) to make your throat feel better.

  • Only take medicines as told by your doctor. Do not give aspirin to children.

  • Rest as needed. Have someone with you to make sure you do not get worse.

  • Do not play contact sports. Avoid activities where you could get hurt for 3 to 4 weeks. The organ that cleans your blood (spleen) might be puffy (swollen), and it could get hurt.

  • Wash your hands or use hand sanitizer often. Avoid kissing or sharing your drinking glass until your doctor says you are better.

  • Keep all follow-up visits as told by your doctor.


  • You have strong pain in your stomach or shoulder.

  • You have trouble breathing or swallowing.

  • You are confused.

  • You get a strong headache or stiff neck.

  • You are shaking (convulsing).

  • You keep throwing up (vomiting).

  • You are weak, with pale skin, dry mouth, and fast heartbeat.

  • Your fever does not go away after 7 days.

  • You cannot return to normal activities after 2 weeks.

  • You have yellow color in the eyes and skin (jaundice).


  • Understand these instructions.

  • Will watch your condition.

  • Will get help right away if you are not doing well or get worse.