Hydrochlorothiazide Olmesartan Brand Name– Benicar HCT
What is Hydrochlorothiazide Olmesartan
Hydrochlorothiazide Olmesartan are combined in a once daily oral preparation to manage hypertension.
HCTZ is a thiazide diuretic. Compared to other angiotensin II receptor antagonists, olmesartan medoxomil is a prodrug which is administered orally and converted to olmesartan during gastrointestinal absorption.
Olmesartan does not undergo further metabolism by the liver, lacks cytochrome P-450 interactions, and is eliminated via biliary and renal excretion. Because AT receptors are nearly saturated at the starting doses for most angiotensin II receptor antagonists, the antihypertensive dose-response curve for these drugs is nonlinear, with proportionally small decreases in blood pressure attained with increased dosage.
Greater antihypertensive efficacy is generally achieved by adding a small dose of HCTZ to the angiotensin II antagonist.
Like other angiotensin II antagonists, olmesartan tends to reverse the potassium loss associated with HCTZ.
Because olmesartan does not inhibit angiotensin converting enzyme (ACE), it does not result in bradykinin accumulation which is theorized to cause the cough and angioedema associated with ACE inhibitors.
However, angioedema has been rarely associated with angiotensin II antagonists.
Hydrochlorothiazide olmesartan (Benicar HCT®) was FDA-approved on June 5, 2003.
Indications
- hypertension
For the treatment of hypertension in patients who do not respond to monotherapy
Side Effects
- abdominal pain
- agranulocytosis
- alopecia
- anaphylactoid reactions
- angioedema
- aplastic anemia
- arthralgia
- asthenia
- azotemia
- back pain
- blurred vision
- chest pain (unspecified)
- cough
- diarrhea
- dizziness
- dyspepsia
- elevated hepatic enzymes
- erythema multiforme
- exfoliative dermatitis
- fever
- glycosuria
- gout
- headache
- hematuria
- hemolytic anemia
- hypercalcemia
- hypercholesterolemia
- hyperglycemia
- hyperkalemia
- hyperlipidemia
- hypertriglyceridemia
- hyperuricemia
- hypochloremia
- hypokalemia
- hypomagnesemia
- hyponatremia
- hypotension
- hypovolemia
- infection
- interstitial nephritis
- jaundice
- leukopenia
- myalgia
- myopia
- nausea
- nephrolithiasis
- ocular hypertension
- oliguria
- orthostatic hypotension
- pancreatitis
- peripheral edema
- photosensitivity
- pneumonitis
- pruritus
- pulmonary edema
- rash
- renal failure (unspecified)
- restlessness
- rhabdomyolysis
- sialadenitis
- sinus tachycardia
- Stevens-Johnson syndrome
- syncope
- teratogenesis
- thrombocytopenia
- toxic epidermal necrolysis
- urticaria
- vasculitis
- vertigo
- vomiting
- weakness
- weight loss
- xanthopsia
Monitoring Parameters
- blood glucose
- blood pressure
- LFTs
- serum bilirubin (total and direct)
- serum creatinine/BUN
- serum electrolytes
- serum uric acid
Contraindications
- ACE-inhibitor induced angioedema
- angioedema
- anuria
- asthma
- breast-feeding
- children
- closed-angle glaucoma
- diabetes mellitus
- electrolyte imbalance
- geriatric
- gout
- heart failure
- hepatic disease
- hypercalcemia
- hyperglycemia
- hyperkalemia
- hyperuricemia
- hypokalemia
- hypomagnesemia
- hyponatremia
- hypotension
- hypovolemia
- myopia
- orthostatic hypotension
- pancreatitis
- penicillin hypersensitivity
- pregnancy
- renal artery stenosis
- renal disease
- renal failure
- renal impairment
- sulfonamide hypersensitivity
- sunlight (UV) exposure
- surgery
- sympathectomy
- syncope
- systemic lupus erythematosus (SLE)
- thiazide diuretic hypersensitivity
Interactions
- Acarbose
- Acetaminophen; Butalbital; Caffeine; Codeine
- Acetaminophen; Caffeine; Dihydrocodeine
- Acetaminophen; Chlorpheniramine; Dextromethorphan; Phenylephrine
- Acetaminophen; Chlorpheniramine; Dextromethorphan; Pseudoephedrine
- Acetaminophen; Chlorpheniramine; Phenylephrine; Phenyltoloxamine
- Acetaminophen; Codeine
- Acetaminophen; Dextromethorphan; Guaifenesin; Phenylephrine
- Acetaminophen; Dextromethorphan; Phenylephrine
- Acetaminophen; Dextromethorphan; Pseudoephedrine
- Acetaminophen; Dichloralphenazone; Isometheptene
- Acetaminophen; Guaifenesin; Phenylephrine
- Acetaminophen; Hydrocodone
- Acetaminophen; Oxycodone
- Acetaminophen; Pentazocine
- Acetaminophen; Pseudoephedrine
- Acetaminophen; Tramadol
- Acetazolamide
- Acetohexamide
- Aclidinium; Formoterol
- Acrivastine; Pseudoephedrine
- Albiglutide
- Albuterol
- Albuterol; Ipratropium
- Aldesleukin, IL-2
- Alemtuzumab
- Alendronate; Cholecalciferol
- Alfentanil
- Aliskiren
- Aliskiren; Amlodipine
- Aliskiren; Amlodipine; Hydrochlorothiazide, HCTZ
- Aliskiren; Hydrochlorothiazide, HCTZ
- Aliskiren; Valsartan
- Allopurinol
- Alogliptin
- Alogliptin; Metformin
- Alogliptin; Pioglitazone
- Alpha-glucosidase Inhibitors
- Alprostadil
- Amifostine
- Amiloride
- Amiloride; Hydrochlorothiazide, HCTZ
- Aminolevulinic Acid
- Amiodarone
- Amlodipine; Benazepril
- Amlodipine; Celecoxib
- Amobarbital
- Amoxicillin; Clarithromycin; Lansoprazole
- Amoxicillin; Clarithromycin; Omeprazole
- Amphetamine; Dextroamphetamine Salts
- Amphotericin B
- Amphotericin B cholesteryl sulfate complex (ABCD)
- Amphotericin B lipid complex (ABLC)
- Amphotericin B liposomal (LAmB)
- Amyl Nitrite
- Angiotensin II
- Angiotensin-converting enzyme inhibitors
- Anticholinergics
- Apomorphine
- Apraclonidine
- Arformoterol
- Aripiprazole
- Arsenic Trioxide
- Articaine; Epinephrine
- Asenapine
- Aspirin, ASA; Butalbital; Caffeine; Codeine
- Aspirin, ASA; Caffeine; Dihydrocodeine
- Aspirin, ASA; Carisoprodol; Codeine
- Aspirin, ASA; Omeprazole
- Aspirin, ASA; Oxycodone
- Atracurium
- Atropine
- Atropine; Benzoic Acid; Hyoscyamine; Methenamine; Methylene Blue; Phenyl Salicylate
- Atropine; Difenoxin
- Atropine; Diphenoxylate
- Atropine; Edrophonium
- Atropine; Hyoscyamine; Phenobarbital; Scopolamine
- Baclofen
- Barbiturates
- Belladonna Alkaloids; Ergotamine; Phenobarbital
- Belladonna; Opium
- Benazepril
- Benazepril; Hydrochlorothiazide, HCTZ
- Benzhydrocodone; Acetaminophen
- Benzoic Acid; Hyoscyamine; Methenamine; Methylene Blue; Phenyl Salicylate
- Benzphetamine
- Benztropine
- Beta-agonists
- Bortezomib
- Bosentan
- Brexpiprazole
- Brompheniramine; Carbetapentane; Phenylephrine
- Brompheniramine; Dextromethorphan; Phenylephrine
- Brompheniramine; Guaifenesin; Hydrocodone
- Brompheniramine; Hydrocodone; Pseudoephedrine
- Brompheniramine; Pseudoephedrine
- Budesonide; Formoterol
- Buprenorphine
- Buprenorphine; Naloxone
- Cabergoline
- Calcium
- Calcium Phosphate, Supersaturated
- Calcium; Vitamin D
- Canagliflozin
- Canagliflozin; Metformin
- Captopril
- Captopril; Hydrochlorothiazide, HCTZ
- Carbamazepine
- Carbetapentane; Chlorpheniramine; Phenylephrine
- Carbetapentane; Diphenhydramine; Phenylephrine
- Carbetapentane; Guaifenesin; Phenylephrine
- Carbetapentane; Phenylephrine
- Carbetapentane; Phenylephrine; Pyrilamine
- Carbetapentane; Pseudoephedrine
- Carbidopa; Levodopa
- Carbidopa; Levodopa; Entacapone
- Carbinoxamine; Dextromethorphan; Pseudoephedrine
- Carbinoxamine; Hydrocodone; Phenylephrine
- Carbinoxamine; Hydrocodone; Pseudoephedrine
- Carbinoxamine; Phenylephrine
- Carbinoxamine; Pseudoephedrine
- Cardiac glycosides
- Cariprazine
- Celecoxib
- Cetirizine; Pseudoephedrine
- Chlophedianol; Dexchlorpheniramine; Pseudoephedrine
- Chlophedianol; Guaifenesin; Phenylephrine
- Chlordiazepoxide; Clidinium
- Chloroprocaine
- Chlorpheniramine; Codeine
- Chlorpheniramine; Dextromethorphan; Phenylephrine
- Chlorpheniramine; Dihydrocodeine; Phenylephrine
- Chlorpheniramine; Dihydrocodeine; Pseudoephedrine
- Chlorpheniramine; Guaifenesin; Hydrocodone; Pseudoephedrine
- Chlorpheniramine; Hydrocodone
- Chlorpheniramine; Hydrocodone; Phenylephrine
- Chlorpheniramine; Hydrocodone; Pseudoephedrine
- Chlorpheniramine; Phenylephrine
- Chlorpheniramine; Pseudoephedrine
- Chlorpropamide
- Cholestyramine
- Cidofovir
- Cisapride
- Cisatracurium
- Citalopram
- Clindamycin; Tretinoin
- Clozapine
- Co-Enzyme Q10, Ubiquinone
- Cocaine
- Codeine
- Codeine; Guaifenesin
- Codeine; Phenylephrine; Promethazine
- Codeine; Promethazine
- Colchicine; Probenecid
- Colesevelam
- Colestipol
- Conivaptan
- Corticosteroids
- Cosyntropin
- Cyclophosphamide
- Cyclosporine
- Dapagliflozin
- Dapagliflozin; Metformin
- Dapagliflozin; Saxagliptin
- Desloratadine; Pseudoephedrine
- Desvenlafaxine
- Dexchlorpheniramine; Dextromethorphan; Pseudoephedrine
- Dexlansoprazole
- Dexmethylphenidate
- Dextromethorphan; Diphenhydramine; Phenylephrine
- Dextromethorphan; Guaifenesin; Phenylephrine
- Dextromethorphan; Guaifenesin; Pseudoephedrine
- Dextromethorphan; Quinidine
- Diazoxide
- Dichlorphenamide
- Diclofenac
- Diclofenac; Misoprostol
- Dicyclomine
- Diethylpropion
- Diflunisal
- Digitoxin
- Digoxin
- Dihydrocodeine; Guaifenesin; Pseudoephedrine
- Diphenhydramine; Hydrocodone; Phenylephrine
- Diphenhydramine; Ibuprofen
- Diphenhydramine; Naproxen
- Diphenhydramine; Phenylephrine
- Dobutamine
- Dofetilide
- Dolasetron
- Donepezil; Memantine
- Dopamine
- Doxacurium
- Droperidol
- Drospirenone
- Drospirenone; Estradiol
- Drospirenone; Ethinyl Estradiol
- Drospirenone; Ethinyl Estradiol; Levomefolate
- Dulaglutide
- Duloxetine
- Eltrombopag
- Empagliflozin
- Empagliflozin; Linagliptin
- Empagliflozin; Linagliptin; Metformin
- Empagliflozin; Metformin
- Enalapril, Enalaprilat
- Enalapril; Felodipine
- Enalapril; Hydrochlorothiazide, HCTZ
- Enflurane
- Ephedrine
- Epinephrine
- Eplerenone
- Epoprostenol
- Ergocalciferol, Vitamin D2
- Ertugliflozin; Metformin
- Ertugliflozin; Sitagliptin
- Escitalopram
- Esomeprazole
- Esomeprazole; Naproxen
- Estradiol
- Estradiol Cypionate; Medroxyprogesterone
- Ethanol
- Etodolac
- Etomidate
- Exenatide
- Famotidine; Ibuprofen
- Fenoprofen
- Fentanyl
- Fexofenadine; Pseudoephedrine
- Fish Oil, Omega-3 Fatty Acids (Dietary Supplements)
- Flavoxate
- Fluconazole
- Fluocinolone; Hydroquinone; Tretinoin
- Fluoxetine
- Fluoxetine; Olanzapine
- Flurbiprofen
- Fluticasone; Salmeterol
- Fluticasone; Umeclidinium; Vilanterol
- Fluticasone; Vilanterol
- Fluvoxamine
- Formoterol
- Formoterol; Mometasone
- Fosinopril
- Fosinopril; Hydrochlorothiazide, HCTZ
- Fospropofol
- Gallium Ga 68 Dotatate
- Gemfibrozil
- General anesthetics
- Glimepiride
- Glimepiride; Pioglitazone
- Glimepiride; Rosiglitazone
- Glipizide
- Glipizide; Metformin
- Glyburide
- Glyburide; Metformin
- Glycopyrrolate
- Glycopyrrolate; Formoterol
- Granisetron
- Guaifenesin; Hydrocodone
- Guaifenesin; Hydrocodone; Pseudoephedrine
- Guaifenesin; Phenylephrine
- Guaifenesin; Pseudoephedrine
- Halobetasol; Tazarotene
- Halofantrine
- Haloperidol
- Halothane
- Homatropine; Hydrocodone
- Hydralazine; Isosorbide Dinitrate, ISDN
- Hydrochlorothiazide, HCTZ; Lisinopril
- Hydrochlorothiazide, HCTZ; Moexipril
- Hydrochlorothiazide, HCTZ; Quinapril
- Hydrochlorothiazide, HCTZ; Spironolactone
- Hydrochlorothiazide, HCTZ; Triamterene
- Hydrocodone
- Hydrocodone; Ibuprofen
- Hydrocodone; Phenylephrine
- Hydrocodone; Potassium Guaiacolsulfonate
- Hydrocodone; Potassium Guaiacolsulfonate; Pseudoephedrine
- Hydrocodone; Pseudoephedrine
- Hydromorphone
- Hyoscyamine
- Hyoscyamine; Methenamine; Methylene Blue; Phenyl Salicylate; Sodium Biphosphate
- Ibritumomab Tiuxetan
- Ibuprofen
- Ibuprofen lysine
- Ibuprofen; Oxycodone
- Ibuprofen; Pseudoephedrine
- Icosapent ethyl
- Iloperidone
- Iloprost
- Inamrinone
- Incretin Mimetics
- Indacaterol
- Indacaterol; Glycopyrrolate
- Indapamide
- Indomethacin
- Inotersen
- Insulin Degludec; Liraglutide
- Insulin Glargine; Lixisenatide
- Insulins
- Intravenous Lipid Emulsions
- Isocarboxazid
- Isoflurane
- Isoproterenol
- Isosorbide Dinitrate, ISDN
- Isosorbide Mononitrate
- Ketamine
- Ketoprofen
- Ketorolac
- Lansoprazole
- Lansoprazole; Naproxen
- Lesinurad; Allopurinol
- Levalbuterol
- Levodopa
- Levomethadyl
- Levomilnacipran
- Levorphanol
- Linagliptin
- Linagliptin; Metformin
- Liraglutide
- Lisdexamfetamine
- Lisinopril
- Lithium
- Lixisenatide
- Loop diuretics
- Loratadine; Pseudoephedrine
- Lovastatin; Niacin
- Lurasidone
- Magnesium Salts
- Magnesium Sulfate; Potassium Sulfate; Sodium Sulfate
- Mannitol
- Meclofenamate Sodium
- Mefenamic Acid
- Meglitinides
- Meloxicam
- Memantine
- Mepenzolate
- Meperidine
- Meperidine; Promethazine
- Mequinol; Tretinoin
- Mestranol; Norethindrone
- Metaproterenol
- Metformin
- Metformin; Pioglitazone
- Metformin; Repaglinide
- Metformin; Rosiglitazone
- Metformin; Saxagliptin
- Metformin; Sitagliptin
- Methadone
- Methamphetamine
- Methazolamide
- Methenamine
- Methenamine; Sodium Acid Phosphate
- Methenamine; Sodium Acid Phosphate; Methylene Blue; Hyoscyamine
- Methohexital
- Methotrexate
- Methoxsalen
- Methscopolamine
- Methylphenidate
- Metoclopramide
- Midodrine
- Miglitol
- Milnacipran
- Milrinone
- Mirtazapine
- Mivacurium
- Moexipril
- Morphine
- Morphine; Naltrexone
- Nabumetone
- Naproxen
- Naproxen; Pseudoephedrine
- Naproxen; Sumatriptan
- Nateglinide
- Nefazodone
- Nesiritide, BNP
- Neuromuscular blockers
- Niacin, Niacinamide
- Niacin; Simvastatin
- Nitrates
- Nitroglycerin
- Nitroprusside
- Nonsteroidal antiinflammatory drugs
- Norepinephrine
- Octreotide
- Olanzapine
- Olodaterol
- Omeprazole
- Omeprazole; Amoxicillin; Rifabutin
- Omeprazole; Sodium Bicarbonate
- Ondansetron
- Oprelvekin, rh-IL-11
- Oxaprozin
- Oxybutynin
- Oxycodone
- Oxymetazoline
- Oxymorphone
- Paliperidone
- Pancuronium
- Pantoprazole
- Paroxetine
- Pasireotide
- Pentamidine
- Pentazocine
- Pentazocine; Naloxone
- Pentoxifylline
- Perindopril
- Perindopril; Amlodipine
- Phendimetrazine
- Phenelzine
- Phenothiazines
- Phentermine
- Phentermine; Topiramate
- Phenylephrine
- Phenylephrine; Promethazine
- Photosensitizing agents (topical)
- Pimozide
- Pioglitazone
- Pirbuterol
- Piroxicam
- Polycarbophil
- Polyethylene Glycol; Electrolytes
- Polyethylene Glycol; Electrolytes; Ascorbic Acid
- Porfimer
- Potassium
- Potassium Phosphate
- Potassium Phosphate; Sodium Phosphate
- Pramlintide
- Prazosin
- Prilocaine; Epinephrine
- Probenecid
- Procainamide
- Procaine
- Propantheline
- Propofol
- Pseudoephedrine
- Quetiapine
- Quinapril
- Quinidine
- Rabeprazole
- Ramipril
- Rapacuronium
- Rasagiline
- Remifentanil
- Repaglinide
- Risperidone
- Rocuronium
- Rofecoxib
- Rosiglitazone
- Salicylates
- Salmeterol
- Saxagliptin
- Scopolamine
- Selegiline
- Semaglutide
- Serotonin norepinephrine reuptake inhibitors
- Sertraline
- Sevoflurane
- SGLT2 Inhibitors
- Silodosin
- Simvastatin; Sitagliptin
- Sitagliptin
- Sodium Phosphate Monobasic Monohydrate; Sodium Phosphate Dibasic Anhydrous
- Sodium picosulfate; Magnesium oxide; Anhydrous citric acid
- Solifenacin
- Spironolactone
- Streptozocin
- Succinylcholine
- Sufentanil
- Sulfacetamide
- Sulfacetamide; Sulfur
- Sulfamethoxazole; Trimethoprim, SMX-TMP, Cotrimoxazole
- Sulfinpyrazone
- Sulfonylureas
- Sulindac
- Tapentadol
- Tazarotene
- Tegaserod
- Terbutaline
- Tetrabenazine
- Tetracaine
- Thiazolidinediones
- Thiopental
- Thiothixene
- Tiotropium; Olodaterol
- Tizanidine
- Tolazamide
- Tolbutamide
- Tolmetin
- Tolterodine
- Tolvaptan
- Topiramate
- Toremifene
- Tramadol
- Trandolapril
- Trandolapril; Verapamil
- Tranylcypromine
- Trazodone
- Treprostinil
- Tretinoin, ATRA
- Triamterene
- Trihexyphenidyl
- Trimethoprim
- Trospium
- Tubocurarine
- Umeclidinium; Vilanterol
- Valdecoxib
- Vecuronium
- Venlafaxine
- Verteporfin
- Vilazodone
- Vitamin D
- Vitamin D analogs
- Vorinostat
- Vortioxetine
- Yohimbine
- Ziconotide
- Ziprasidone