Related by context. Frequent words. (Click for all words.) 64 breathing difficulties 62 breathlessness 62 difficulty breathing 61 abdominal pain 60 dizziness 59 rapid heartbeat 58 chest pains 57 nausea vomiting 57 muscle cramps 56 lightheadedness 56 respiratory distress 55 numbness 54 symptoms 54 body aches 54 muscle aches 53 fluid retention 52 dyspnea 52 irregular heartbeat 52 hypotension 51 vomiting 51 respiratory symptoms 51 angina 50 fever headache 50 nausea 50 sore throat 50 palpitations 49 stomach cramps 49 bloody diarrhea 49 respiratory 48 blurred vision 48 diarrhea fever 48 heart palpitations 48 hypoglycemia 47 tingling 47 constipation 47 heat exhaustion 47 neuropathy 46 blood clot 46 pulmonary hypertension 46 muscle spasms 46 asthma 46 migraine headaches 46 Symptoms 46 obstructive sleep apnea 46 drowsiness 46 sleep apnea 45 sleeplessness 45 pulmonary embolism 45 cramps 45 abdominal cramps 45 emphysema 45 migraines 44 stomach ache 44 irritability 44 wheezing 44 aches 44 fainting 44 dehydration 44 kidney failure 44 sinusitis 44 skin rash 44 stomach pains 44 chronic obstructive pulmonary 44 edema 44 tiredness 43 lung function 43 chronic lung 43 gallstones 43 migraine 43 arrhythmia 43 pneumonia 43 urinary tract infection 43 breathing 43 congestive heart failure 43 deep vein thrombosis 43 nasal congestion 43 insomnia 43 respiratory infection 43 feeling dizzy 43 lightheaded 43 indigestion 43 rashes 42 pancreatitis 42 sudden onset 42 ulcers 42 respiratory ailments 42 intestinal bleeding 42 backache 42 cramping 42 bronchitis 42 blood clots 42 hypertension 42 coughing 42 altitude sickness 42 fevers 42 apnea 42 burning sensation 42 asthmatics 42 sore throats 42 lung 42 lung diseases