Related by context. Frequent words. (Click for all words.) 72 dizziness 62 rapid heartbeat 59 numbness 59 nausea 57 feeling dizzy 57 dizzy spells 56 blurred vision 56 muscle cramps 56 shortness 56 heart palpitations 56 vertigo 55 abdominal pain 55 stomach cramps 53 difficulty breathing 53 lightheaded 53 chest pains 53 tingling 52 migraine headache 52 drowsiness 52 vomiting 52 muscle spasms 51 irregular heartbeat 51 cramps 51 nausea vomiting 50 stiff neck 50 blurry vision 50 symptoms 50 leg cramps 50 breathing difficulties 49 fainting 49 soreness 49 dehydration 49 breathlessness 48 hypoglycemia 47 muscle aches 47 nauseous 47 spasms 47 migraine headaches 47 migraines 47 sleeplessness 47 fatigue 47 stomach ache 46 irritability 46 stiffness 46 cramping 46 body aches 46 burning sensation 46 sore throat 45 heat exhaustion 45 stomach pains 45 fluid retention 45 discomfort 45 palpitations 45 fevers 45 tiredness 44 dizzy 44 abdominal cramps 44 disorientation 44 fever headache 44 flulike symptoms 44 altitude sickness 43 respiratory distress 43 achy 43 sinus infection 43 motion sickness 43 concussion 42 migraine 42 rashes 42 slurred speech 42 aches 42 headaches 42 blisters 42 exhaustion 42 hallucinations 42 concussion symptoms 41 mild concussion 41 severe dehydration 41 diarrhea fever 41 redness 41 sleepiness 41 pancreatitis 41 elbow soreness 41 giddiness 41 skin rash 41 feeling unwell 41 bronchitis 41 indigestion 41 skin rashes 41 frostbite 41 bursitis 41 acid reflux 41 constipation 41 lower extremities 40 shin splints 40 tightness 40 gastrointestinal illness 40 respiratory symptoms 40 edema 40 sore muscles 40 difficulty swallowing 40 muscle strain