Related by context. Frequent words. (Click for all words.) 63 sildenafil citrate 63 vardenafil 63 tadalafil 62 sildenafil 61 Fluoxetine 61 Duloxetine 61 Olanzapine 60 Phentermine 60 Antihistamines 59 Melatonin 59 Rosiglitazone 59 levothyroxine 59 vasodilator 59 Imatinib 58 Gabapentin 58 ketoconazole 58 Metformin 58 PDE5 inhibitors 58 lovastatin 58 glucocorticoid 58 Kamagra 58 Clopidogrel 58 selective serotonin reuptake inhibitor 57 aripiprazole 57 Medications 57 Revatio 57 Generic Viagra 57 Niacin 57 Simvastatin 57 theophylline 57 fluoxetine 57 L arginine 57 naturally occurring hormone 57 Bevacizumab 57 phenytoin 57 Ezetimibe 57 Tramadol 56 bronchodilator 56 treating erectile dysfunction 56 amitriptyline 56 citalopram 56 tricyclic antidepressants 56 dopamine agonists 56 venlafaxine 56 5mg 56 Finasteride 56 esomeprazole 56 Naproxen 56 Fioricet 56 Sibutramine 56 tamsulosin 55 Acetaminophen 55 active ingredient 55 Corticosteroids 55 clozapine 55 paroxetine 55 Prednisone 55 Raloxifene 55 metoprolol 55 Opioids 55 Generic Cialis 55 atenolol 55 zanamivir 55 spironolactone 55 Gemcitabine 55 anticholinergic 54 Vitamin B6 54 cholinesterase inhibitors 54 Naltrexone 54 Modafinil 54 methylphenidate 54 carvedilol 54 hydrochloride 54 proton pump inhibitor 54 Beta blockers 54 Paracetamol 54 Nasal Spray 54 Antidepressants 54 carbamazepine 54 Orlistat 54 isotretinoin 54 Rivaroxaban 54 alpha blockers 54 anticonvulsants 54 ampicillin 54 trazodone 54 triptans 54 thyroxine 54 cough suppressant 54 glucocorticoids 54 naloxone 54 sertraline 53 pharmacologically 53 raltegravir 53 Reductil 53 Progesterone 53 atazanavir 53 progestins 53 Viagra 53 finasteride 53 Erectile Dysfunction