My son has a bloodshot eye and hes had it since yesterday. i've jus noticed its bloodshot in the other eye aswell now so i don't no what this is?

See the doc: Without knowing more about the situation, i would recommend having a doctor check it. It may be a common garden variety conjunctivitis, but it may be something else. Other important signs are the presence or absence of pain and changes in vision.

Possible infection: Conjunctivitis or "pink eye" very commonly starts in one eye and then goes to the other. Sometimes "bloodshot eyes" can be a subconjunctival hemorrhage or "popped blood vessel" but this is rare to be in both eyes at once. If he starts to develop a discharge or other symptoms, he should be seen by an ophthalmologist to see if antibiotic drops are required.