O
Oasis a brand-name preparation for cystitis containing sodium citrate and sucrose
Occlusal a brand name for salicylic acid (a wart remover)
Octasa a brand name for mesalazine (a drug for ulcerative colitis)
Octim a brand name for desmopressin (a pituitary hormone used for diabetes insipidus)
octocog alfa synthetic form of factor VIII (a blood extract to promote blood clotting)
octreotide a synthetic pituitary hormone used to relieve symptoms of cancer of the pancreas
Ocufen a brand name for flurbiprofen (a non-steroidal anti-inflammatory)
Oestrogel a brand name for estradiol (an oestrogen)
oestrogen a female sex hormone
ofloxacin an antibacterial
Oftaquix a brand-name topical preparation of levofloxacin (an antibacterial)
Oilatum Emollient a brand-name bath additive containing liquid paraffin for dry skin
Oilatum Gel a brand name for a shower gel containing liquid paraffin for dry skin
olanzapine, an antipsychotic
Olbetam a brand name for acipimox (a lipid-lowering drug)
olmesartan an angiotensin II blocker (a vasodilator and antihypertensive)
Olmetec a brand name for olmesartan (an angiotensin II blocker vasodilator and antihypertensive)
olodaterol a bronchodilator
olopatadine an antihistamine
olsalazine a drug for ulcerative colitis
Olysio a brand name for simeprevir (a drug for HIV/AIDS)
Omacor a brand name for omega-3-acid ethyl esters (a lipid-lowering drug)
omalizumab a drug for asthma
omega-3-acid ethyl esters lipid-lowering drugs
omega-3-marine triglycerides lipid-lowering drugs
omeprazole, an anti-ulcer drug
Oncovin a brand name for vincristine (an anticancer drug)
ondansetron, an anti-emetic
Ondemet a brand name for ondansetron (an anti-emetic)
One-Alpha a brand name for alfacalcidol (a vitamin)
Onsenel a brand name for celecoxib (a non-steroidal anti-inflammatory)
Opatanol a brand name for olopatadine (an antihistamine)
Opilon a brand name for moxisylyte (a vasodilator)
Opticrom a brand name for sodium cromoglicate (an anti-allergy drug)
Optil a brand name for diltiazem (a calcium channel blocker)
Optrex Allergy a brand name for sodium cromoglicate (an anti-allergy drug)
Optrex Infected Eyes a brand-name preparation containing chloramphenicol (an antibiotic)
Optrex Red Eyes a brand-name preparation containing naphazoline (a topical sympathomimetic)
Optrex Sore Eyes a brand-name preparation containing witch hazel (an astringent)
Orabase a brand-name ointment containing carmellose to protect the skin or mouth from damage
oral contraceptives
Oraldene a brand-name antiseptic mouthwash containing hexetidine
Oramorph a brand name for morphine (an opioid analgesic)
Orap a brand name for pimozide (an antipsychotic)
Orbifen a brand name for ibuprofen (a non-steroidal anti-inflammatory)
orciprenaline a sympathomimetic used as a bronchodilator
Orencia a brand name for abatacept (a cytokine modulator antirheumatic drug used to treat moderate to severe rheumatoid arthritis)
Orgaran a brand name for danaparoid (an anticoagulant)
Orlept a brand name for sodium valproate (an anticonvulsant)
orlistat, an anti-obesity drug
Orovite a brand-name multivitamin
orphenadrine, an anticholinergic muscle relaxant and drug for parkinsonism
Ortho-Creme a brand name for nonoxinol-9 (a spermicidal agent)
Orthoforms a brand name for nonoxinol-9 (a spermicidal agent)
Ortho-Gynest a brand name for estriol (an oestrogen)
Oruvail a brand name for ketoprofen (a non-steroidal anti-inflammatory)
oseltamivir, an antiviral for influenza
OsmoPrep a brand-name preparation containing phosphates for emptying the bowel before surgery
osmotic diuretics types of diuretic drugs
osteomalacia and rickets see drugs for bone disorders
osteoporosis see drugs for bone disorders
Otex a brand-name preparation for removal of ear wax containing urea (an emollient) and hydrogen peroxide (an antiseptic)
Otomize a brand name for dexamethasone (a corticosteroid) and neomycin (an aminoglycoside antibiotic)
Otosporin a brand name for hydrocortisone (a corticosteroid) with neomycin and polymyxin B (both antibiotics)
Otrivine a brand name for xylometazoline (a decongestant)
Otrivine-Antistin a brand name for antazoline (an antihistamine) with xylometazoline (a decongestant)
Ovestin a brand name for estriol (an oestrogen)
Ovex a brand name for mebendazole (an anthelmintic)
Ovranette a brand-name oral contraceptive containing ethinylestradiol and levonorgestrel
Ovysmen a brand-name oral contraceptive containing ethinylestradiol and norethisterone
Oxactin a brand name for fluoxetine (an antidepressant)
oxaliplatin an anticancer drug
oxazepam a benzodiazepine anti-anxiety drug
oxcarbazepine an anticonvulsant
oxerutins a drug used to treat peripheral vascular disease
Oxis a brand name for formoterol (a bronchodilator)
oxpentifylline the former name for pentoxifylline (a vasodilator used to treat peripheral vascular disease)
oxprenolol a beta blocker
Oxy 10 a brand-name topical preparation of benzoyl peroxide (a drug for acne)
oxybenzone a sunscreen
oxybuprocaine a local anaesthetic
oxybutynin, an anticholinergic and antispasmodic for urinary disorders
oxycodone an opioid analgesic
OxyContin a brand name for oxycodone (an opioid analgesic)
oxymetazoline a topical decongestant also used for ear disorders
Oxymycin a brand name for oxytetracycline (a tetracycline antibiotic)
OxyNorm a brand name for oxycodone (an opioid analgesic)
Oxy On-The-Spot a brand-name topical preparation of benzoyl peroxide (a drug for acne)
oxytetracycline a tetracycline antibiotic
oxytocin a uterine stimulant
Ozurdex a brand name for dexamethasone (a corticosteroid)