
General Weakness
Weakness is a reduction in the strength of one or more muscles. More »
Palpitations
Palpitations are heartbeat sensations that feel like your heart is pounding or racing. You may simply have an unpleasant awareness of your own heartbeat, or may feel skipped or stopped beats. The heart's rhythm may be normal or abnormal. Palpitati... More »
Shortness of Breath
Breathing difficulty involves a sensation of difficult or uncomfortable breathing or a feeling of not getting enough air. See also: Difficulty breathing - first aid More »