Related by context. Frequent words. (Click for all words.) 72 asthma bronchitis 72 bronchitis pneumonia 70 pneumonia bronchitis 69 asthma chronic bronchitis 65 coughing wheezing 65 aggravate asthma 64 asthma allergies 64 circulatory diseases 63 pulmonary disorders 63 asthma eczema 62 respiratory diseases 62 cough runny nose 61 sore throat cough 61 diarrhea pneumonia 61 respiratory illnesses 61 asthma emphysema 60 allergies asthma 60 respiratory ailments 60 sinus congestion 60 Bacterial infections 60 constipation diarrhea 60 Genital herpes 60 Chronic obstructive pulmonary 60 chronic obstructive lung 59 asthma 59 giardiasis 59 chronic sinus 59 post nasal drip 59 diarrhea constipation 59 meningitis pneumonia 59 headache nausea vomiting 59 colds flu 59 diarrhea dysentery 59 coughs colds 59 obstructive lung 59 diarrhea abdominal pain 59 wheezing coughing 59 Urinary tract infections 59 runny nose sore throat 59 abdominal pain diarrhea 58 cardio vascular disease 58 sneezing runny nose 58 Pulmonary hypertension 58 bronchial asthma 58 chronic rhinosinusitis 58 respiratory infections 58 fatigue shortness 58 respiratory 58 Chronic inflammation 58 chronic lung 58 chronic respiratory 58 cough shortness 57 corneal ulcers 57 diarrhea nausea vomiting 57 Allergic rhinitis 57 Hip fractures 57 Genital warts 57 nausea diarrhea 57 Bronchitis 57 skin ulcers 57 gallbladder disease 57 lung ailments 57 dizziness fatigue 56 pneumococcal pneumonia 56 lung diseases 56 edema swelling 56 pulmonary diseases 56 Obstructive sleep apnea 56 gastric reflux 56 postoperative nausea 56 rhinosinusitis 56 Passive smoking 56 respiratory irritant 56 scratchy throats 56 arthritis gout 56 Irritable Bowel Syndrome IBS 56 hepatic failure 56 skin rashes 56 malaria diarrhea 55 peptic ulcer 55 Allergic reactions 55 bronchiolitis 55 Prolonged exposure 55 chronic bronchitis 55 chronic cough 55 Strep throat 55 corticosteroid therapy 55 Raynaud phenomenon 55 dehydration abdominal pain 55 acute respiratory infections 55 embolisms 55 intestinal disorders 55 Diesel exhaust 55 uncontrolled bleeding 55 unknown etiology 55 animal dander 55 nasal polyps 55 vomiting nausea 55 Particle pollution 54 Hospitalizations 54 pneumonia diarrhea