Related by context. Frequent words. (Click for all words.) 66 heart palpitations 57 indigestion 56 dizziness 55 breathlessness 54 rapid heartbeat 53 angina 52 nausea 52 muscle cramps 52 heartburn 51 hallucinations 51 constipation 51 abdominal pain 51 vomiting 50 headaches 50 arrhythmia 50 stomach ache 50 fluid retention 50 convulsions 50 shortness 49 arrhythmias 49 migraines 49 symptoms 49 insomnia 49 irregular heartbeat 49 tingling 49 nausea vomiting 49 headache 49 burning sensation 49 hypotension 49 numbness 49 chest pains 48 discomfort 48 backache 48 breathing difficulties 48 drowsiness 47 sleeplessness 47 hypoglycemia 47 tiredness 47 fainting 46 sleepiness 46 stomach cramps 45 electrocardiogram 45 reflux 45 migraine 45 difficulty breathing 45 tremors 45 heartbeats 45 allergic reactions 45 sore throat 45 vertigo 45 mood swings 44 acid reflux 44 heartbeat 44 twitching 44 flutter 44 cramps 44 excruciating pain 44 hot flashes 43 apnea 43 sensations 43 pain 43 sudden cardiac death 43 spasm 43 irritability 43 atrial fibrillation 43 wheezing 43 tingle 43 adverse reactions 43 anxiety 43 muscle aches 42 sleep apnea 42 abnormal 42 convulsion 42 respiratory distress 42 cramp 42 body aches 42 disorientation 42 nasal congestion 42 restlessness 42 ache 42 stomach pains 42 bloody diarrhea 42 colic 42 abnormality 42 edema 42 migraine headache 42 aches 41 diarrhea 41 skin rash 41 nightmares 41 hypertension 41 abnormalities 41 gout 41 allergic reaction 41 delirium 41 runny nose 41 blurred vision 41 swelling 41 sleepless nights 41 migraine headaches 41 snoring