Related by context. Frequent words. (Click for all words.) 71 Antihistamines 70 anti histamines 69 chlorpheniramine 69 expectorants 68 nasal decongestants 68 Sleeping pills 68 steroid creams 68 H2 blockers 67 salicylates 67 narcotic analgesics 67 Antacids 66 Herbal remedies 66 antipyretic 66 Tegretol 65 Topiramate 65 Naprosyn 65 Tagamet 65 oxcarbazepine 65 indinavir 65 quinidine 65 Acyclovir 65 fluoxetine Prozac 65 desmopressin 64 Erythromycin 64 aspirin ibuprofen 64 Coadministration 64 nasal decongestant 64 dosing frequency 64 Dextromethorphan 64 tricyclic antidepressants 64 counter antihistamines 64 anti hypertensives 64 topical steroid 64 acid suppressing 64 acetylsalicylic acid 63 topical creams 63 Digoxin 63 decongestants 63 sodium phosphate 63 cough syrups 63 vasodilators 63 cough suppressant 63 cough suppressants 63 tricyclics 63 sulfa 63 acetaminophen Tylenol 63 Toviaz 63 Restoril 63 Anti depressants 63 spironolactone 62 anticonvulsants 62 proton pump inhibitors PPIs 62 loratadine 62 gingko biloba 62 Elavil 62 hydrocortisone cream 62 NUCYNTA ® 62 SUSTIVA 62 lipid lowering agents 62 Phenobarbital 62 beta agonists 62 Clozaril 62 chlorthalidone 62 paliperidone 62 phenytoin 62 cabergoline 62 glitazones 62 calcium citrate 61 ranitidine 61 Epivir 61 hypnotics 61 transdermal patches 61 triptans 61 Rocephin 61 Fenofibrate 61 Grapefruit juice 61 antihistamines 61 Generic versions 61 menstrual pain 61 hydrocortisone 61 Black cohosh 61 relieve constipation 61 opioid painkiller 61 receiving VELCADE 61 Amantadine 61 neuroleptics 61 selegiline 61 quinolones 61 Percodan 60 severe renal insufficiency 60 benzocaine 60 renal toxicity 60 Perforomist TM Inhalation Solution 60 mouthwashes 60 antihistamine 60 angiotensin receptor blockers 60 contains sildenafil 60 nonprescription medications 60 Lipitor Zocor 60 Sinemet 60 gets USFDA nod