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What is Tamsulosin
Tamsulosin is an oral alpha-blocker that can be administered once-daily for the treatment of benign prostatic hyperplasia (BPH).
Tamsulosin appears to cause less hypotension than other alpha-blockers due to enhanced specificity for the alpha-receptors on the prostate.
As a result, tamsulosin therapy can be initiated at the optimum dose whereas other alpha-blockers require gradual upward titration to reduce the risk of an exaggerated response to the ‘first-dose’ effects.
Brand Name
Flomax
Indications
- benign prostatic hyperplasia (BPH)
- nephrolithiasis
For the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH)
Side Effects
- angioedema
- arrhythmia exacerbation
- asthenia
- atrial fibrillation
- back pain
- blurred vision
- chest pain (unspecified)
- constipation
- cough
- diarrhea
- dizziness
- drowsiness
- dyspnea
- ejaculation dysfunction
- epistaxis
- erythema multiforme
- exfoliative dermatitis
- floppy iris syndrome
- headache
- hypotension
- infection
- insomnia
- libido decrease
- nausea
- orthostatic hypotension
- palpitations
- pharyngitis
- priapism
- pruritus
- rash
- rhinitis
- sinus tachycardia
- sinusitis
- Stevens-Johnson syndrome
- syncope
- urticaria
- vertigo
- visual impairment
- vomiting
- xerostomia
Monitoring Parameters
- laboratory monitoring not necessary
Contraindications
- breast-feeding
- children
- geriatric
- hepatic disease
- infants
- ocular surgery
- orthostatic hypotension
- pregnancy
- priapism
- prostate cancer
- renal failure
- renal impairment
- sulfonamide hypersensitivity
- syncope
Interactions
- Abiraterone
- Acebutolol
- Acetaminophen; Chlorpheniramine; Dextromethorphan; Phenylephrine
- Acetaminophen; Chlorpheniramine; Dextromethorphan; Pseudoephedrine
- Acetaminophen; Chlorpheniramine; Phenylephrine; Phenyltoloxamine
- Acetaminophen; Diphenhydramine
- Acetaminophen; Propoxyphene
- Aliskiren; Amlodipine
- Aliskiren; Amlodipine; Hydrochlorothiazide, HCTZ
- Alpha-blockers
- Ambrisentan
- Amiodarone
- Amlodipine
- Amlodipine; Atorvastatin
- Amlodipine; Benazepril
- Amlodipine; Celecoxib
- Amlodipine; Hydrochlorothiazide, HCTZ; Olmesartan
- Amlodipine; Hydrochlorothiazide, HCTZ; Valsartan
- Amlodipine; Olmesartan
- Amlodipine; Telmisartan
- Amlodipine; Valsartan
- Amobarbital
- Amoxicillin; Clarithromycin; Lansoprazole
- Amoxicillin; Clarithromycin; Omeprazole
- Amprenavir
- Aprepitant, Fosaprepitant
- Artemether; Lumefantrine
- Atazanavir
- Atazanavir; Cobicistat
- Atenolol
- Atenolol; Chlorthalidone
- Avanafil
- Bendroflumethiazide; Nadolol
- Beta-blockers
- Betaxolol
- Bisoprolol
- Bisoprolol; Hydrochlorothiazide, HCTZ
- Boceprevir
- Brimonidine; Timolol
- Bupropion
- Bupropion; Naltrexone
- Calcium-channel blockers
- Carbetapentane; Chlorpheniramine
- Carbetapentane; Chlorpheniramine; Phenylephrine
- Carbetapentane; Diphenhydramine; Phenylephrine
- Carteolol
- Carvedilol
- Ceritinib
- Chloramphenicol
- Chlorpheniramine
- Chlorpheniramine; Codeine
- Chlorpheniramine; Dextromethorphan
- 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
- Chlorpromazine
- Cimetidine
- Cinacalcet
- Citalopram
- Clarithromycin
- Clevidipine
- Cobicistat
- Codeine; Phenylephrine; Promethazine
- Codeine; Promethazine
- Conivaptan
- Crizotinib
- Cyclosporine
- Dacomitinib
- Danazol
- Darifenacin
- Darunavir
- Darunavir; Cobicistat
- Darunavir; Cobicistat; Emtricitabine; Tenofovir alafenamide
- Dasabuvir; Ombitasvir; Paritaprevir; Ritonavir
- Delavirdine
- Dextromethorphan; Diphenhydramine; Phenylephrine
- Dextromethorphan; Promethazine
- Dextromethorphan; Quinidine
- Diltiazem
- Diphenhydramine
- Diphenhydramine; Hydrocodone; Phenylephrine
- Diphenhydramine; Ibuprofen
- Diphenhydramine; Naproxen
- Diphenhydramine; Phenylephrine
- Dorzolamide; Timolol
- Doxazosin
- Dronedarone
- Drospirenone; Ethinyl Estradiol
- Drospirenone; Ethinyl Estradiol; Levomefolate
- Duloxetine
- Elbasvir; Grazoprevir
- Eliglustat
- Elvitegravir; Cobicistat; Emtricitabine; Tenofovir Alafenamide
- Elvitegravir; Cobicistat; Emtricitabine; Tenofovir Disoproxil Fumarate
- Enalapril; Felodipine
- Erythromycin
- Erythromycin; Sulfisoxazole
- Escitalopram
- Esmolol
- Ethanol
- Ethinyl Estradiol
- Ethinyl Estradiol; Desogestrel
- Ethinyl Estradiol; Ethynodiol Diacetate
- Ethinyl Estradiol; Etonogestrel
- Ethinyl Estradiol; Levonorgestrel
- Ethinyl Estradiol; Levonorgestrel; Ferrous bisglycinate
- Ethinyl Estradiol; Levonorgestrel; Folic Acid; Levomefolate
- Ethinyl Estradiol; Norelgestromin
- Ethinyl Estradiol; Norethindrone
- Ethinyl Estradiol; Norethindrone Acetate
- Ethinyl Estradiol; Norethindrone Acetate; Ferrous fumarate
- Ethinyl Estradiol; Norethindrone; Ferrous fumarate
- Ethinyl Estradiol; Norgestimate
- Ethinyl Estradiol; Norgestrel
- Everolimus
- Fedratinib
- Felodipine
- Fluconazole
- Fluoxetine
- Fluoxetine; Olanzapine
- Fluvoxamine
- Fosamprenavir
- grapefruit juice
- Halofantrine
- Haloperidol
- Hydrochlorothiazide, HCTZ; Metoprolol
- Hydrochlorothiazide, HCTZ; Propranolol
- Idelalisib
- Iloprost
- Imatinib
- Indinavir
- Isavuconazonium
- Isradipine
- Itraconazole
- Ketoconazole
- Labetalol
- Lefamulin
- Letermovir
- Levobetaxolol
- Levobunolol
- Lopinavir; Ritonavir
- Meperidine; Promethazine
- Metoprolol
- Mifepristone
- Mirabegron
- Mitotane
- Nadolol
- Nebivolol
- Nebivolol; Valsartan
- Nefazodone
- Nelfinavir
- Nicardipine
- Nifedipine
- Nimodipine
- Nisoldipine
- Ombitasvir; Paritaprevir; Ritonavir
- Oritavancin
- Paroxetine
- Pazopanib
- Peginterferon Alfa-2b
- Penbutolol
- Perindopril; Amlodipine
- Perphenazine
- Perphenazine; Amitriptyline
- Phenoxybenzamine
- Phentolamine
- Phenylephrine; Promethazine
- Pindolol
- Posaconazole
- Prazosin
- Promethazine
- Propafenone
- Propoxyphene
- Propranolol
- Protease inhibitors
- Quinidine
- Quinine
- Ranolazine
- Ribociclib
- Ribociclib; Letrozole
- Ritonavir
- Rolapitant
- Saquinavir
- Segesterone Acetate; Ethinyl Estradiol
- Sertraline
- Sildenafil
- Silodosin
- Simeprevir
- Sotalol
- Tadalafil
- Telaprevir
- Telithromycin
- Telotristat Ethyl
- Terazosin
- Terbinafine
- Thioridazine
- Timolol
- Tipranavir
- Trandolapril; Verapamil
- Tucatinib
- Vardenafil
- Vemurafenib
- Verapamil
- Voriconazole
- Warfarin
- Zafirlukast
- Zileuton