Terazosin is a Medicine belongs to Alpha1 Selective Adrenoceptor Blockers group whose information about Brand can be referenced from   Book : Martindale    Page : 1548   Edition : 37,

  ►   Brandname : Olyster,Zytrin,Hytrin

  ►  Strength : Capsule with 1  mg, Capsule with 2  mg, Capsule with 5  mg, Capsule with 10  mg, Tablet with 1  mg, Tablet with 2  mg, Tablet with 5  mg, Tablet with 10  mg,

Reference of this Medicine for its Strength can be taken from   Book : Basic & Clinical pharmacology    Page : 189   Edition : 12,
A Route of administration in pharmacology and toxicology is the path by which a drug, fluid, poison, or other substance is taken into the body. Routes of administration are generally classified by the location at which the substance is applied. Common examples include oral and intravenous administration.

  ►  Route of administration : Oral,
Reference :-   Book : Martindale    Page : 1548   Edition : 37,

Dosing of Medicine differ in Adult & Pediatrics ↓


Adult Dose

S.No Ailment   Route   Dose Min   Dose Max   Unit   Dosage Form   Frequency   Additional Info
1 hypertension Oral 2 10 mg o.d.
2 Benign prostatic hyperplasia Oral 5 10 mg o.d.

Ref :-  Book : Martindale    Page : 1548   Edition : 37,




Pediatric Dose

S.No Ailment   Age Min   Age Max   Weight ( Kg ) Route   Dose Min   Dose Max   Unit   Dosage Form   Frequency  Additional Info  
1 hypertension Oral 1 mg/day o.d.
2 hypertension Oral 1 mg/day o.d.

Ref :- Book : Nelson's textbook of Pediatrics    Page : 1645   Edition : 19,
►  Side Effect : syncope, headache, Dizziness, asthenia, impaired ejaculation, postural hypotension,
Ref :-   Book : Goodman    Page : 308   Edition : 12,

►  Drug Interaction : Drug interaction of Terazosin is with Indomethacin , Tenecteplase , Zonisamide , Suxamethonium/Succinylcholinechloride (Suxamethonium chloride) , Verapamil ,
Ref :-   Book : Martindale    Page : 1510   Edition : 37,


  ►    Mechanism of Drug Drug Interaction :  The hypotensive effects of Terazosin may be enhanced by use with diuretics and other antihypertensives, and by alcohol and other drugs that cause hypotension. The risk of first-dose hypotension may be particularly increased in patients receiving beta blockers or calcium channel blockers,
Ref :-   Book : Martindale    Page : 1510   Edition : 37,


►  Contraindication : heart failure, hepatic impairment, renal impairment,
Ref :-   Book : Martindale    Page : 1510   Edition : 37,
  ►  Mechanism of Action :   Block endogenous catecholamines from binding to α1- and α2- adrenoceptors, causing vasodilation, decreased blood pressure, and decreased peripheral resistance. ,
Ref :-   Book : Principle of Pharmacology (The Pathophysiologic Basis of Drug Therapy)    Page : 145   Edition : 3,

Pathway of Dietry Product


​   ► Act.Comp / Nutrient / Food / Herb as follows :- Celery with Another pathway,

  ►  Pathway with its reference as follows :-
  • High water content act as vasoliater --- (Kokate, c. & Purohit, A. (2016). pharmacognosy. nirali prakashan. )

  •   ►  URL -- https://www.sapnaonline.com/books/pharmacognosy-ck-kokate-8196396155-9788196396152,


    Dietry Substance Interactions


    ​   ► This Medicine interact with :- NA



    ContraIndication Dietry Substance


    ​   ► This Medicine contraindicate with :- NA

    ►   Route of Elimination :   Biliary, Fecal, Hepatic (Metabolism), Renal,
    Ref :-   Book : Martindale    Page : 1548   Edition : 37,


    ►    Plasma Half-life :
      Min value :-   12 hours,    Max value :-   NA
    Ref :-   Book : Martindale    Page : 1548   Edition : 37,

    ►    Peak Plasma Concentration :   Min value :-   1 hour,    Max value :-   NA
    Ref :-   Book : Martindale    Page : 1548   Edition : 37,