weak or shallow breathing;
a light-headed feeling, like you might pass out;
pale or yellowed skin, dark colored urine, fever, confusion or weakness; or
upper stomach pain, loss of appetite, jaundice (yellowing of the skin or eyes).
Common Skelaxin side effects may include:
dizziness, drowsiness;
nausea, vomiting, upset stomach;
headache; or
feeling nervous or irritable;