Hi, I developed a bruise on my chest this morning (centered basically where a necklace would hang), and Ive been coughing a fair bit today.  I figured the cough was from allergies, but now Im starting to feel a bit dizzy.  Are these symptoms related?  Should I go and see a doctor, or am I being a hypochrondriac?
Hello dear, Thank you for your question. Bruises usually come from local trauma whereas hives (urticaria) are the main manifestation of allergy. And usually allergic skin manifestations are numerous in different parts of the body. So your bruise doesn't seem connected with the other symptoms. Cough can come from different causes including