Mono does not cause pink eye. Pink eye, or conjunctivitis, is usually caused by viral infection, bacterial infections, allergies, irritants and dryness. Adenoviruses and herpes simplex viruses are the common causes of viral conjunctivitis. Acute bacterial conjunctivitis is commonly caused by Staphylococcus aureus, Streptococcus pneumoniae and Haemophilus influenzae while Staphylococcus aureus, Moraxella lacunata and gram negative enteric flora are the causes of chronic bacterial conjunctivitis. So mono (Mononucleosis) is not included in the causes of pink eye. The common symptoms of mono is as followings: Sore throat, nodes in the neck, yellow skin and eyes, abdominal pain, stomachache, headache, chest pain, skin rashes, fever and chills, nausea, coughing, malaise, lack in appetite and energy as well as aching muscle.