pindolol pindolol pindolol, sold under the brand name visken among others, is a nonselective beta blocker which is used in the treatment of hypertension. it is also an antagonist of the serotonin 5-ht1a receptor, preferentially blocking inhibitory 5-ht1a autoreceptors, and has been researched as an add-on therapy to selective serotonin reuptake inhibitors (ssris) in the treatment of depression. pindololclinical datatrade namesvisken, othersahfs/drugs.commonographmedlineplusa684032pregnancycategory au: c routes ofadministrationby mouth, intravenousatc codec07aa03 (who) legal statuslegal status in general: ℞ (prescription only) pharmacokinetic databioavailability50% to 95%metabolismhepaticelimination half-life3–4 hoursexcretionrenalidentifiers iupac name (rs)-1-(1h-indol-4-yloxy)-3-(isopropylamino)propan-2-ol cas number13523-86-9 ypubchem cid4828iuphar/bps91drugbankdb00960 nchemspider4662 nuniibj4hf6iu1dkeggd00513 ychebichebi:8214 nchemblchembl500 ncomptox dashboard (epa)dtxsid8023476 echa infocard100.033.501 chemical and physical dataformulac14h20n2o2molar mass248.326 g·mol−13d model (jsmol)interactive imagechiralityracemic mixture smiles cc(c)ncc(o)coc2cccc1ccc12 inchi inchi=1s/c14h20n2o2/c1-10(2)16-8-11(17)9-18-14-5-3-4-13-12(14)6-7-15-13/h3-7,10-11,15-17h,8-9h2,1-2h3 nkey:jzqkkslkjuagic-uhfffaoysa-n n ny (what is this?) (verify) medical uses pindolol is used for hypertension in the united states, canada, and europe, and also for angina pectoris outside the united states. when used alone for hypertension, pindolol can significantly lower blood pressure and heart rate, but the evidence base for its use is weak as the number of subjects in published studies is small. in some countries, pindolol is also used for arrhythmias and prophylaxis of acute stress reactions. contraindications