Related by context. Frequent words. (Click for all words.) 66 palpitations 64 dizziness 59 chest pains 57 stomach pains 57 irregular heartbeat 56 stomach ache 56 fainting 55 abdominal pain 53 hallucinations 52 breathing difficulties 51 vomiting 50 stomach cramps 50 migraines 50 nausea 50 indigestion 49 vertigo 49 headaches 49 difficulty breathing 49 nauseous 48 blurred vision 48 sore throat 48 shortness 48 acid reflux 48 dehydration 47 dizzy 47 symptoms 47 lightheaded 47 nausea vomiting 47 convulsions 47 numbness 46 sleeplessness 46 migraine headaches 46 mood swings 46 tingling 46 hypoglycemia 45 cramps 45 discomfort 45 migraine 45 muscle spasms 44 drowsiness 44 stiff neck 44 respiratory distress 44 blood sugar 44 insomnia 44 feeling unwell 43 heartburn 43 tremors 43 breathlessness 43 fatigue 43 soreness 43 nauseated 43 spasms 43 electrocardiogram 42 epileptic seizures 42 fainted 42 body aches 42 burning sensation 42 allergic reaction 42 pancreatitis 42 headache 42 internal bleeding 42 sleep apnea 42 appendicitis 42 fevers 42 irritability 42 sleepiness 42 flulike symptoms 41 constipation 41 nosebleeds 41 depression anxiety 41 tiredness 41 heat exhaustion 41 kidney stone 41 kidney stones 41 anxiety 41 skin rashes 41 bronchitis 41 cramp 41 excruciating pain 40 colic 40 hypertension 40 gallstones 40 urinary tract infection 40 heartbeat 40 allergic reactions 40 altitude sickness 40 thyroid 40 caffeine 40 jaundice 40 arrhythmia 39 suicidal thoughts 39 aches 39 pain 39 concussion symptoms 39 sinus infection 39 delirium 39 gout 39 congestive heart failure 39 concussion 39 muscle aches 39 cardiac arrest