Your pill might be 4 mg
tizanidine made by Eon Labs.
Eon's 4 mg tizanidine is a round white tablet imprinted E over 44 on one side and quarter scored on the other side.
You will find a picture at eonlabs.com
More info:
http://tizanidine.drugs.com/
I'm not a pharmacist or a medical doctor. This message is not medical advice nor is it an offer to provide medical advice. All drug identifications should be validated by a licensed MD or pharmacist.