Related by context. Frequent words. (Click for all words.) 66 irregular heartbeat 65 dizziness 65 heart palpitations 62 chest pains 59 abdominal pain 59 shortness 54 palpitations 53 vomiting 53 breathing difficulties 52 muscle spasms 52 stomach pains 52 difficulty breathing 52 stomach cramps 51 respiratory distress 51 nausea vomiting 51 sore throat 51 numbness 50 blurred vision 50 soreness 49 dehydration 49 nausea 49 breathlessness 49 stomach ache 49 stiff neck 48 appendicitis 48 cramps 48 pulmonary embolism 48 flulike symptoms 48 symptoms 48 kidney stone 48 spasms 47 fainting 47 sinus infection 47 tingling 47 blood clot 46 lightheaded 46 drowsiness 46 arrhythmia 46 urinary tract infection 46 migraine headaches 45 pinched nerve 45 hypoglycemia 45 electrocardiogram 45 respiratory infection 45 arrhythmias 45 bronchitis 45 sleeplessness 45 lung infection 45 heat exhaustion 45 kidney stones 44 vertigo 44 migraines 44 pneumonia 44 fatigue 44 mild concussion 44 viral infection 44 allergic reaction 44 blood clots 44 internal bleeding 44 cramping 44 septic shock 43 atrial fibrillation 43 skin rash 43 strep throat 43 cardiac arrest 43 feeling unwell 43 muscle aches 42 sleep apnea 42 gallstones 42 jaundice 42 angina 42 excruciating pain 42 achy 42 sinusitis 42 tendonitis 42 herniated disk 42 tendinitis 42 fevers 41 leg cramps 41 ear infection 41 migraine 41 pancreatitis 41 blood thinners 41 kidney failure 41 hallucinations 41 acid reflux 41 respiratory symptoms 41 shin splints 41 fever 41 bone bruise 41 herniated disc 41 CT scan 40 preeclampsia 40 slurred speech 40 indigestion 40 stiffness 40 body aches 40 nauseous 40 contusion 40 sinus 40 bursitis