Cluster headache: Introduction. A cluster headache is a type of headache that is severe and recurring and generally occurs on one side of the head. Cluster headaches occur in clusters of episodes that recur over days or weeks. Cluster headaches can be severe enough to disrupt everyday life, such as work, school, relationships, and social activities. Additional symptoms of cluster headaches can affect the eye and nose as well.
Shortness of breath can be associated with symptoms of chest pain, pain with inspiration (pleurisy), anxiousness, dizziness, fainting, cough, wheezing, bloody sputum, neck pain, and chest injury. Medically Reviewed by a Doctor on 5/13/2016.
As your hemoglobin level gets lower you may have one or more of these symptoms: 1  Fast heart beat. 2  Shortness of breath. 3  Trouble breathing when doing things like walking, climbing stairs, or even talking. 4  Dizziness. 5  Chest pain. 6  Swelling in the hands and/or feet. 7  Pale skin, nail beds, mouth, and gums. 8  Extreme tiredness (fatigue)