Related by context. All words. (Click for frequent words.) 69 Vivelle Dot 69 PhytoMatrix 69 Estroven 68 prenatal vitamin 67 Estrace 67 Amnesteem 66 Claravis 66 Sotret 66 Citracal R 66 norethindrone acetate 66 Uroxatral 66 Ionamin 66 brands RESTYLANE R 65 Drixoral 65 Mestinon 65 topical emulsion 65 Promensil 65 tamsulosin hydrochloride 65 Efudex 65 diclofenac potassium 65 Zemplar 65 acid reducer 65 ClindaReach 65 TOPAMAX ® 65 pharmacologically active isomer 65 FiberChoice 64 Prenate Elite 64 decongestants antihistamines 64 Mg Uk 64 #mg #mg #mg [002] 64 #mg capsules [001] 64 phosphodiesterase inhibitor 64 Gonal f R 64 5mg tablets 64 vitamins minerals herbal 64 ACIPHEX 64 Venofer ® 64 CitraNatal 64 Sporanox 64 Ditropan XL 64 Procardia XL 64 tinidazole 64 Tofranil 64 Lanoxin 64 Catapres 64 Sytrinol 64 Procardia 63 Clindamycin 63 fexofenadine HCl 63 Prilosec omeprazole 63 BenzaClin 63 ORTHO EVRA R 63 Soriatane 63 synthetic progestin 63 Nasal Comfort 63 footcare section 63 REPRONEX R menotropins 63 Crinone 63 Topical Solution 63 partner ECR Pharmaceuticals 63 decongestants expectorants antihistamines 63 VISICOL R 63 transdermal gel 63 Oral Rinse 63 sertraline Zoloft 63 Nitrolingual 63 Floxin 63 acitretin 63 softgel capsule 63 pravastatin Pravachol 63 NSAID diclofenac 63 Suppositories 63 Aciphex R 63 Gonal f ® 63 acid ethyl esters 63 prenatal multivitamin 63 Animi 3 63 orally disintegrating 63 tazarotene 63 nonsedating antihistamine 62 valerate 62 Desmopressin 62 ibuprofen Motrin 62 Femring 62 SOLODYN R 62 Nascobal 62 letrozole Femara 62 Trinovin 62 granulated mesalamine 62 RepHresh Vaginal Gel 62 hydrocodone acetaminophen 62 Citracal 62 MetroGel 62 Isordil 62 gelcap 62 Miacalcin 62 Soft Chews 62 Proventil 62 CLARINEX 62 mequinol 62 Axid 62 terfenadine 62 H2 blocker 62 Precose 62 alendronate Fosamax 62 lamotrigine Lamictal 62 Atelvia 62 Tindamax 62 ZIANA TM 62 Gianvi 62 prescription laxative 62 Levothyroxine 62 Fosamax alendronate 62 Vagifem ® 62 Tenormin 62 PENTASA 62 chewable tablets 62 MiraLAX 62 containing life'sDHA 62 ethinyl estradiol tablets 62 Skin Protectant 62 chewable tablet 62 vardenafil Levitra 62 Taclonex 62 acid reducers 62 Parnate 62 Benzoyl peroxide 62 quetiapine Seroquel 62 Extended Release tablets 62 ranitidine Zantac 62 tramadol HCl 62 Mometasone 62 cyanocobalamin 62 Oral Solution 62 Loratadine 62 MoviPrep 62 dihydroergotamine 62 Viagra Soft Cialis Soft 62 ActiPatch TM 62 Mircette R oral contraceptive 62 Alavert 62 norethindrone 61 Boniva ibandronate 61 Chondroitin Sulfate 61 Cefuroxime 61 norgestimate 61 Nitrofurantoin 61 milligram capsules 61 Tretinoin 61 PreserVision 61 Imitrex sumatriptan 61 Immune Boost 61 cefdinir 61 soft gelatin capsule 61 elemental calcium 61 Aquoral TM 61 Gynazole 1 61 Migranal 61 Enjuvia 61 Valproate 61 Hydralazine 61 Estrostep 61 ENJUVIA 61 life'sARA TM 61 gelcaps 61 norelgestromin 61 acyclovir Zovirax 61 Crixivan 61 Tazorac 61 prostaglandin analogue 61 Warner Chilcott Actonel 61 Oxybutynin 61 #mg Tablets [002] 61 Hydrochlorothiazide 61 sublingual tablets 61 injection USP 61 R bisoprolol Euthyrox 61 Prelox 61 MetroGel R 61 metoprolol succinate 61 Pill Glide 61 l carnitine 61 medroxyprogesterone 61 Replens 61 Maxalt 61 Lidoderm ® 61 Zorbtive TM 61 diclofenac Voltaren 61 1mg 2mg 61 ZYRTEC R 61 Cetirizine 61 cobalamin 61 UTI Stat 61 INFeD ® 61 Ester C 61 ibuprofen Motrin Advil 61 Dermal fillers 61 SoluCLENZ Rx Gel 61 ZOCOR 61 oral rinse 61 Topamax topiramate 61 Aspirin ibuprofen 61 pessaries 61 cromolyn sodium 61 5 HT3 antagonist 61 channel blocker amlodipine 61 Cenestin 61 tricyclic antidepressant 61 ALVESCO ® 61 Carbamazepine 61 calcium citrate 61 Nolvadex 61 Ralivia 61 Altoprev 61 topicals 61 metformin XR 61 Saizen R 61 Galantamine 61 Eraxis 61 Amnesteem Claravis 60 Capoten 60 Pravachol pravastatin 60 valacyclovir Valtrex 60 diclofenac sodium 60 aB vitamin 60 nasally administered 60 cetirizine 60 Levonorgestrel 60 Anthelios SX 60 Motrin ibuprofen 60 Solaraze 60 Taclonex R 60 tetracycline antibiotic 60 Bicillin 60 Plendil 60 Vasotec 60 prescription dermatological 60 sulfamethoxazole trimethoprim 60 Losartan Potassium 60 multivitamin supplement 60 lovastatin Mevacor 60 topiramate Topamax 60 retin 60 CLARITIN R 60 CRIXIVAN 60 Diastat 60 Generic Accutane 60 betamethasone dipropionate 60 Megace ES 60 Montelukast 60 propafenone 60 sodium phosphate 60 oxybutynin chloride 60 Livial 60 risedronate sodium tablets 60 ibuprofen Advil 60 Oscillococcinum 60 Divigel R 60 vitamins amino acids 60 #mg capsules [002] 60 loratadine 60 AMEVIVE 60 hyoscyamine 60 CalleX Ointment 60 Digestive Advantage 60 mouthrinse 60 Tegretol carbamazepine 60 Commit lozenge 60 Orally Disintegrating Tablets 60 YAZ ® 60 Sustiva efavirenz 60 Vardenafil 60 capsules USP 60 AndroGel ® 60 Little Colds 60 rocuronium bromide 60 erectile dysfunction impotence 60 Konsyl 60 PRILOSEC OTC 60 ketoconazole USP Gel 60 acidophilus 60 nitrofurantoin 60 Cataflam 60 Levoxyl 60 Appexium 60 Replens Long 60 CARBATROL 60 cholestyramine 60 estradiol valerate 60 drospirenone containing 60 Xanax alprazolam 60 Natrol ® 60 bupropion Wellbutrin 60 venlafaxine Effexor 60 fluoxetine HCl 60 amino acid L arginine 60 cytomegalovirus immune globulin 60 Zelapar 60 IV Busulfex 60 naproxen Aleve 60 FLEXERIL 60 BeneFIX 60 Estratest 60 tamoxifen citrate 60 Zestra TM 60 Inhalation Aerosol 60 conjugated estrogens medroxyprogesterone acetate 60 Aloe# TM 60 AstraZeneca Toprol XL 60 SUSTIVA 60 Prandin 60 Multivitamin 60 Glucophage metformin 60 Clindesse 60 Lomotil 60 Lotrimin 60 highly bioavailable 60 Dulcolax 60 Lotensin 60 #mg tablet [002] 60 Heliocare 60 Vivelle Dot TM 60 metaxalone 60 Pfizer Camptosar 60 BUPHENYL R sodium phenylbutyrate 60 topical retinoids 60 ZYRTEC ® 60 chewables 60 soft gelatin capsules 60 Fda approved 60 cyproterone acetate 60 miconazole nitrate 60 hPTH #-# 60 naltrexone hydrochloride 60 Tambocor 60 Ketorolac 60 Mg Usa 60 Zidovudine 60 Pre Brush Rinse 60 5mg #mg #mg 60 anti epileptics 60 rosiglitazone maleate 60 Detrol Detrol LA 60 Minitran 59 bioidentical 59 TRELSTAR R 59 Viapro 59 OSMOPREP 59 ergot derivatives 59 Zegerid OTC 59 Lescol 59 Sustenex 59 Clindesse R 59 ChloraPrep 59 cetirizine HCl 59 ciclopirox 59 hyaluronic acid dermal filler 59 #mg/#mg 59 Patanol 59 lansoprazole Prevacid 59 Didanosine 59 Chewable 59 GelStat Migraine 59 FOSAMAX PLUS D 59 systemic corticosteroid 59 finasteride Proscar 59 Zaleplon 59 salicylic 59 Mexoryl SX 59 Miralax 59 Levaquin levofloxacin 59 nitroprusside 59 Venlafaxine 59 Salagen 59 Monopril 59 Dapoxetine 59 clotrimazole 59 folinic acid 59 oral jelly 59 hyaluronic acids 59 metformin HCl 59 Tylenol acetaminophen 59 zinc pyrithione 59 B3 niacin 59 Azathioprine 59 risedronate Actonel 59 pravastatin sodium 59 SOLODYN 59 Caverta 59 Valium Xanax 59 Zetia ezetimibe 59 Xenical orlistat 59 CoroWise 59 Rocephin 59 Lopid 59 benzonatate 59 Terbinafine 59 4mg 59 Zerit 59 Saizen ® 59 First Aid Antiseptic 59 abobotulinumtoxinA 59 Toviaz 59 Zyban bupropion 59 IXEMPRA 59 Tredaptive 59 Roche Boniva 59 selenium sulfide 59 Depakene 59 Retinoids 59 fluvastatin Lescol 59 RISPERDAL 59 LYSTEDA 59 Hylaform 59 Doryx ® 59 Pexeva 59 RESTYLANE 59 facial moisturizers 59 Methylin 59 AMMONUL R sodium phenylacetate 59 Zantac Pepcid 59 dorzolamide 59 cefixime 59 Fortical R 59 metformin hydrochloride 59 orally disintegrating tablets 59 Nifedipine 59 tablets USP 59 generic Propecia 59 L Glutamine 59 paroxetine sertraline 59 Yohimbine 59 L carnitine 59 topical acne 59 Antacids 59 Dronabinol 59 chlordiazepoxide 59 topical corticosteroid 59 5 lipoxygenase inhibitor 59 Naprosyn 59 Co enzyme Q# 59 acetaminophen tablets 59 Benazepril 59 Valacyclovir 59 ergotamine 59 hydrochloride tablets 59 anti histamines 59 Combivent 59 Ursodiol 59 orally disintegrating tablet 59 Canderm Pharma 59 COZAAR 59 Felodipine 59 Desonate 59 Tocomin 59 SOLODYN ® 59 Amikacin 59 SPRIX ® 59 Ipratropium Bromide 59 antibiotics antihistamines 59 imiquimod cream 59 Luxiq 59 topical retinoid 59 doxercalciferol 59 Viagra Cialis Accutane 59 dermaceutical 59 R ferumoxytol Injection 59 dermatologically tested 59 capsule formulation 59 mouth rinses 59 flushable feminine hygiene 59 long acting bronchodilator 59 Selenium SeLECT 59 Dexatrim 59 Plaquenil 59 Detrol LA 59 ibuprofen aspirin 59 DEFLUX 59 STRIANT 59 Triaminic 59 Xclair 59 PMS Escape 59 REPRONEX ® menotropins 59 Posaconazole 59 Plavix clopidogrel bisulfate 59 brand ciclesonide HFA 59 SinoFresh TM 59 Cefazolin 59 Ranitidine 59 minoxidil 59 milk thistle extract 59 nasal calcitonin product 59 tamoxifen Nolvadex ® 59 Meridia sibutramine 59 Carbatrol 59 Fluticasone Propionate 59 Nizoral 59 beta sitosterol 59 Bicalutamide 59 non sedating antihistamines 59 levothyroxine 59 Drospirenone 59 folic acid potassium 59 antibiotic amoxicillin 59 paroxetine hydrochloride 59 conjugated estrogen 59 creams ointments 59 synthetic progesterone 59 propranolol Inderal 59 Novartis Reclast 59 Benzoyl Peroxide 59 Kaletra tablets 59 OVIDE 59 Zocor simvastatin 59 counter brand ESOTERICA 59 dextromethorphan hydrobromide 59 Kristalose R 59 hyaluronic 59 carbamazepine Tegretol 59 efavirenz Sustiva 59 Evamist TM 59 Differin ® 58 acarbose 58 acetaminophen ibuprofen 58 #f#d#a Buy 58 Zithromax Azithromycin 58 Neptune Krill Oil 58 Zolpimist 58 Glucotrol XL 58 transdermal patches 58 Replens ® 58 sulfonylurea metformin 58 Rythmol 58 Fluticasone 58 TriMix gel TM 58 DDAVP 58 estrogen ethinyl estradiol 58 ecamsule 58 nail polish removers 58 secondary amenorrhea 58 Fem V 58 RepHresh ® 58 ibuprofen Advil Motrin 58 #mg #mg [001] 58 Sinemet 58 Fosamax Actonel 58 include Duac 58 levetiracetam Keppra 58 Diachrome R 58 Known generically 58 PERLANE 58 suppress ovulation 58 Lipitor atorvastatin calcium 58 TOP SITES 58 flecainide 58 multivitamin tablets 58 antihormonal 58 omeprazole Prilosec 58 cholesterol reducers 58 Niacinamide 58 Adoxa 58 enteric coated 58 Osteo Bi Flex 58 oxcarbazepine 58 Oxygen Concentrate 58 haloperidol Haldol 58 water soluble vitamin 58 Estrasorb 58 PrandiMet 58 Butalbital 58 Sildenafil Viagra 58 OxyContin oxycodone 58 TYLENOL ® 58 Azactam 58 Adipex P 58 lyophilized powder 58 diphenhydramine Benadryl 58 Reyataz atazanavir 58 tenofovir Viread 58 riboflavin vitamin B2 58 Peridex 58 Atarax 58 Glucophage 58 Lidoderm R 58 Lysteda 58 metformin sulfonylureas 58 N Acetyl 58 cefuroxime 58 Anaprox 58 Vagifem 58 Ultracet 58 trandolapril 58 Nexium esomeprazole 58 Urea Cycle Disorder 58 Dextromethorphan 58 multivitamin supplements 58 HP Acthar r 58 antifungal medication 58 Super CitriMax 58 Seroquel quetiapine 58 anti emetics 58 overthe counter 58 Fexofenadine 58 ethambutol 58 maleate 58 Viagra Sildenafil 58 soy isoflavone 58 Tagamet 58 Levitra #mg 58 THROMBIN JMI ® 58 Rivastigmine 58 BioCell Collagen II 58 Antihistamine 58 UCB Keppra 58 Tussionex 58 Nascobal R 58 salicylates 58 Clomiphene 58 Bactrim 58 XanGo Juice 58 Differin 58 chemotherapeutic agent doxorubicin 58 Bristol Myers Squibb Pravachol 58 transdermal gels 58 Aldactone 58 ipratropium bromide 58 vitamins supplements 58 risedronate sodium 58 EPA eicosapentaenoic acid 58 Vitamin B6 58 Renagel ® 58 NEXTERONE 58 Martek DHA TM 58 fenofibrate tablets 58 Natazia 58 diflucan levitra 58 Resurgex Plus 58 Bacitracin 58 Injection USP 58 Premarin estrogen 58 Soriatane R 58 B2 riboflavin 58 escitalopram Lexapro 58 plant sterol esters 58 Caltrate 58 brompheniramine 58 Levoxyl R 58 piroxicam 58 anti hypertensives 58 montelukast sodium 58 aspirin acetaminophen 58 PediaCare ® 58 Doryx 58 MENOPUR R 58 oral ribavirin 58 ESTRASORB 58 Proquin XR 58 Stopain 58 SunPill R 58 esomeprazole Nexium 58 Rocaltrol 58 Glipizide 58 Hibiclens 58 Twinject ® 58 containing abacavir 58 zolpidem tartrate 58 Veregen TM 58 Remifemin R 58 Zoloft Paxil 58 Truvada emtricitabine 58 MENOPUR 58 Oxandrin R 58 rivastigmine Exelon 58 progestin drospirenone 58 Optium OptiumEZ 58 Extra Strength 58 LIDODERM 58 terazosin 58 bacitracin 58 aspirin clopidogrel 58 oral contraceptive pills 58 PhosLo ® 58 severe recalcitrant nodular 58 Yummi Bears 58 escitalopram oxalate 58 Leuprolide 58 Nutropin 58 Visicol 58 phenytoin Dilantin 58 Xatral R 58 TYLENOL R 58 paroxetine Paxil 58 venlafaxine hydrochloride 58 Lodrane 58 benazepril 58 duloxetine hydrochloride 58 GlaxoSmithKline Zofran 58 XYZAL R 58 Simvastatin tablets 58 Monohydrate 58 #mg tablets [002] 58 Cardiolite 58 Nascobal Nasal Spray 58 Levocetirizine tablets 58 RISPERDAL ® 58 GlaxoSmithKline Coreg 58 carmustine 58 diazepam Valium 58 titanium dioxide zinc oxide 58 Angiotensin Converting Enzyme 58 Climara 58 lorazepam Ativan 58 abacavir sulfate 58 Viagra Soft 58 Retrovir 58 Glyburide 58 calcium acetate 57 Actonel risedronate 57 Dovonex 57 Aceon 57 Cordarone 57 Black Cohosh 57 Denavir 57 Nicotine Replacement Therapy NRT 57 SyncroDose TM 57 FiberChoice R 57 magnesium citrate 57 Aleve Cold 57 Cardene 57 Teveten HCT 57 Acular 57 metformin Glucophage 57 sibutramine Meridia 57 appetite suppressant phentermine 57 injection purified MENOPUR 57 Advil ibuprofen 57 metformin sulfonylurea 57 Hectorol ® 57 MedImmune FluMist 57 RESTYLANE R 57 dilantin 57 MI Paste 57 L lysine 57 leukotriene receptor antagonist 57 MEVACOR 57 AZT zidovudine 57 Isotretinoin 57 Humalog ® 57 Acetaminophen Tylenol 57 amoxycillin 57 Thyroxine 57 Loceryl ® 57 tricyclic 57 OatVantage 57 Cinnergen TM 57 Propess 57 ORTHO EVRA 57 quinapril 57 Hydrochloride 57 antibiotics amoxicillin 57 Carvedilol 57 syndrome overactive bladder 57 VALSTAR 57 Testim R 57 PreHistin R 57 sildenafil citrate Viagra 57 levocetirizine 57 Vaprisol 57 vaginal yeast infections 57 tooth whiteners 57 Generic Equivalent 57 Dyspepsia Tachycardia Myalgia etc. 57 Oravig 57 epoprostenol sodium 57 Cardura 57 pregabalin Lyrica 57 Penlac 57 Advicor R 57 steroid nasal sprays 57 ACE inhibitor benazepril 57 testosterone gels 57 OPANA ER 57 Penegra 57 ALTACE 57 antioxidants amino acids 57 Biotin 57 Loprox 57 BUPHENYL R 57 Allegra fexofenadine 57 hydrochloride capsules 57 isosorbide mononitrate 57 Rifampicin 57 Wyeth Advil 57 BioSil 57 SSRI selective serotonin 57 thyroxin 57 Cold Remedy 57 esomeprazole magnesium 57 HP Acthar R 57 Naprelan R 57 multivitamin multimineral 57 Glucophage XR 57 Herbal supplements 57 Xyzal ® 57 Latuda 57 Clindesse TM 57 VANOS TM 57 Delayed Release Tablets 57 BYETTA exenatide injection 57 Kaopectate 57 BRAVELLE R urofollitropin 57 blood thinner Warfarin 57 multivitamin mineral 57 Pfizer Norvasc 57 Nonprescription 57 AmLactin R 57 famotidine 57 Exelon rivastigmine 57 Minocycline 57 paracetamol acetaminophen 57 acetominophen 57 Foradil Aerolizer 57 silagra 57 PROTONIX 57 beta carotene supplementation 57 Genistein 57 enteric coated aspirin 57 Asacol HD 57 iron dextran 57 Progestin 57 besylate 57 Vaginal Gel 57 MenaQ7 57 torsemide 57 Nuprin 57 Tindamax R 57 acetylsalicylic acid 57 clinically tested 57 Ketoprofen 57 SIMCOR 57 ONTAK 57 Didronel 57 vaginal moisturizer 57 buprenorphine naloxone 57 Prevacid #HR 57 oxycodone acetaminophen 57 etidronate 57 Catapres TTS 57 containing drospirenone 57 buccal tablet 57 Sandimmune 57 bowel cleansers 57 Thiamin 57 Resurgex R 57 antidiarrheal 57 non sedating antihistamine 57 Vitamin Supplement 57 cephalosporin antibiotic 57 treat male hypogonadism 57 creams gels 57 Nutritional supplements 57 sulfonylurea glimepiride 57 alfuzosin 57 Generic versions 57 Aloe Vera Juice 57 Vitamins minerals 57 Gabapentin Tablets 57 ACTIQ 57 OnlySweet ™ 57 Sambucol 57 Famotidine 57 mg Tablets 57 pharmacy xanax 57 Cialis tadalafil 57 Doxycycline 57 Ortho Dermatologics 57 Solaraze R 57 Remergent 57 painkiller ibuprofen 57 #mg/mL 57 Nexrutine 57 Fosamax Actonel Boniva 57 #mg tablet [001] 57 Voltaren Gel 57 Knorr soups Hellmann mayonnaise 57 LaRoche Posay 57 Tablets #mg [002] 57 #mg dosage strength 57 Qlaira 57 psyllium fiber 57 CLENZIderm MD 57 DORYX 57 Tiazac 57 Delsym 57 Zovirax acyclovir 57 Evening primrose oil 57 Suprax R 57 #mg tablets [001] 57 Bupropion HCl ER 57 RYZOLT 57 rabeprazole 57 Fluconazole 57 Anthelios 57 #mg dosage strengths 57 thyroxine T4 57 Sublingual 57 Qvar 57 Vivelle Dot ® 57 azelaic acid 57 Injectable Solution 57 Epirubicin 57 ranitidine 57 citalopram Celexa 57 PROLASTIN 57 Chromium picolinate 57 Sanofi Pasteur Fluzone 57 Epiduo 57 treat facial wrinkles 57 pseudoephedrine hydrochloride 57 FullTerm 57 Dexilant 57 #.#mg [002] 57 softgel capsules 57 topical analgesic 57 Euflexxa 57 calcium fortified foods 57 Ceftin 57 fluticasone nasal spray 57 Asacol R 57 Sinus Relief 57 insulin glulisine 57 tizanidine 57 beta lactam antibiotics 57 Order Cheap Viagra 57 pioglitazone hydrochloride 57 Prilosec Nexium 57 L proline 57 Starlix 57 antibiotic Avelox 57 pioglitazone HCl 57 soothing aloe vera 57 AVAPRO 57 Colloidal silver 57 inhaled corticosteroids ICS 57 nevirapine Viramune 57 Multaq dronedarone 57 dextropropoxyphene 57 Wellmune WGP 57 Topical creams 57 formoterol fumarate 57 omega fatty acid 57 transdermal estrogen 57 kamagra uk 57 Buy clomid 57 AMITIZA ® 57 Viagra Levitra Cialis 57 acetyl L carnitine 57 Paraplatin ® 57 pioglitazone Actos 57 Kamagra Oral Jelly 57 Lovastatin 57 Coricidin HBP 57 MYOBLOC 57 Anacin pain relievers 57 clopidogrel bisulfate 56 ReliOn Ultima 56 Nuvaring 56 lamivudine 3TC 56 Cold EEZE R 56 SEASONALE TM 56 Hydrochloride Injection 56 Valium diazepam 56 alpha hydroxy acid 56 anticoagulant warfarin 56 ZIAGEN 56 Acyclovir 56 Allopurinol 56 Swanson Vitamins 56 Strattera atomoxetine 56 statins Diabetology Asthma 56 amoxil cialis cipro clomid 56 Wellbutrin bupropion 56 Guaifenesin 56 Calcium intake 56 timolol maleate 56 Provas ® 56 valsartan Diovan 56 bio actives 56 Rimantadine 56 XOPENEX Inhalation Solution 56 Cymbalta duloxetine 56 Fenoglide 56 Capsules USP 56 kojic acid 56 Fortamet 56 Nexium Prilosec 56 Topical treatments 56 topical gel formulation 56 Zanaflex tablets