Related by context. Frequent words. (Click for all words.) 64 theophylline 64 baclofen 62 vasodilator 62 PDE5 61 Bupropion 59 vardenafil 59 indomethacin 59 verapamil 59 Azithromycin 59 minoxidil 59 Topiramate 59 reuptake 58 Propranolol 58 Citalopram 58 Fluoxetine 58 anti emetic 57 Erythropoietin 57 antiemetic 57 topical steroid 56 alpha blockers 56 ranitidine 56 apomorphine 56 levothyroxine 56 ketoconazole 56 Olanzapine 56 Ondansetron 56 nifedipine 56 oxybutynin 56 spironolactone 56 metoprolol 56 Hydrochloride 55 itraconazole 55 Stimulant 55 hydrochlorothiazide 55 PDE5 inhibitors 55 L dopa 55 L arginine 55 hydrochloride 55 Isotretinoin 55 saquinavir 55 tricyclic antidepressants 55 prostacyclin 55 hypnotics 55 sildenafil citrate 54 amitriptyline 54 Sildenafil 54 Antihistamines 54 PDE5 inhibitor 54 hydrocortisone 54 topical cream 54 mirtazapine 54 nelfinavir 54 Adenosine 54 intravenously administered 53 anticholinergics 53 selective serotonin 53 beta agonists 53 angiotensin converting enzyme ACE 53 Prednisone 53 partial agonist 53 triptan 53 benzocaine 53 Antabuse 53 receptor antagonists 53 dapoxetine 53 scopolamine 53 erectile 53 Diazepam 53 Gabapentin 53 glucocorticoid 53 valtrex 53 Revatio 53 Melanotan 53 gonadotropin 53 antithrombin 52 venlafaxine 52 Transdermal 52 carbamazepine 52 viagra uk 52 tadalafil 52 Lisinopril 52 Estradiol 52 anticonvulsants 52 quinolones 52 diazepam 52 Risperidone 52 calcitonin 52 Epinephrine 52 lovastatin 52 ketoprofen 52 pergolide 52 antihypertensives 52 phosphodiesterase 52 Casodex 52 Cladribine 52 seborrheic dermatitis 52 Axiron 52 Botulinum toxin 52 5mg 52 diltiazem 51 celexa