https://clincalcpro.com/ Free clinical calculators, drug doses, decision pathways and AI clinical decision support for working clinicians. en Tue, 18 Aug 2026 08:03:56 GMT 1440 https://clincalcpro.com/drugs/vascular/clopidogrel/ https://clincalcpro.com/drugs/vascular/clopidogrel/ 75 mg once daily (maintenance) Once daily (with or without food) Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/ticagrelor/ https://clincalcpro.com/drugs/vascular/ticagrelor/ Acute coronary syndromes: single 180 mg loading dose (two 90 mg tablets), then 90 mg Loading dose once, then 90 mg twice daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/nifedipine_vascular/ https://clincalcpro.com/drugs/vascular/nifedipine_vascular/ Nifedipine (Modified-release) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/cilostazol/ https://clincalcpro.com/drugs/vascular/cilostazol/ 100 mg twice a day Twice daily, taken 30 minutes before breakfast and the evening meal Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/iloprost/ https://clincalcpro.com/drugs/vascular/iloprost/ Iloprost (IV/Nebulised) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/pentoxifylline/ https://clincalcpro.com/drugs/vascular/pentoxifylline/ 400 mg (one modified-release tablet) Three times daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/heparin_flush/ https://clincalcpro.com/drugs/vascular/heparin_flush/ Unfractionated Heparin (Peripheral/Central Line Flush) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/terlipressin_vascular/ https://clincalcpro.com/drugs/vascular/terlipressin_vascular/ 2 mg Every 4 hours Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/aspirin_vascular/ https://clincalcpro.com/drugs/vascular/aspirin_vascular/ 75-160 mg Once daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/warfarin_vascular/ https://clincalcpro.com/drugs/vascular/warfarin_vascular/ Induction 10 mg once daily for 2 days; maintenance usually 3–9 mg once daily Once daily, at the same time each day Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/ramipril_vascular/ https://clincalcpro.com/drugs/vascular/ramipril_vascular/ 2.5 mg once daily initially (hypertension and cardiovascular prevention), titrated to a maintenance/target dose of up to 10 mg once daily Once daily (heart failure and post-myocardial-infarction regimens are given twice daily - see notes) Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/atorvastatin_vascular/ https://clincalcpro.com/drugs/vascular/atorvastatin_vascular/ 10 mg once daily (usual starting dose); range 10 mg to 80 mg once daily Once daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/alprostadil_vascular/ https://clincalcpro.com/drugs/vascular/alprostadil_vascular/ Alprostadil (PGE1) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/nifedipine_vascular2/ https://clincalcpro.com/drugs/vascular/nifedipine_vascular2/ Nifedipine (Raynaud's) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/isosorbide_mononitrate/ https://clincalcpro.com/drugs/vascular/isosorbide_mononitrate/ 60 mg (one prolonged-release tablet) once daily in the morning; may be increased to 120 mg (two tablets) daily, both taken once daily in the morning Once daily in the morning Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/enoxaparin_vascular/ https://clincalcpro.com/drugs/vascular/enoxaparin_vascular/ VTE prophylaxis — high thromboembolic risk surgical patients and medical patients: 4,000 IU (40 mg) once daily by subcutaneous injection; moderate risk surgical patients: 2,000 IU (20 mg) once daily SC. Treatment of DVT and PE: 150 IU/kg (1.5 mg/kg) SC once daily, OR 100 IU/kg (1 mg/kg) SC twice daily Once daily for prophylaxis and for the 150 IU/kg (1.5 mg/kg) treatment regimen; every 12 hours for the 100 IU/kg (1 mg/kg) treatment regimen Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/pentoxifylline_vascular/ https://clincalcpro.com/drugs/vascular/pentoxifylline_vascular/ 400 mg (one modified-release tablet) three times daily as the recommended initial dose; two tablets daily (800 mg) may prove sufficient in some patients, particularly for maintenance therapy Three times daily (initial); twice daily may suffice for maintenance in some patients Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/heparin_iv/ https://clincalcpro.com/drugs/vascular/heparin_iv/ 5,000-10,000 IU every 4 hours, or 500 IU/kg bodyweight daily as a continuous infusion in sodium chloride injection or dextrose injection every 4 hours for intermittent intravenous administration; continuous over 24 hours for the infusion regimen Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/glyceryl_trinitrate_iv/ https://clincalcpro.com/drugs/vascular/glyceryl_trinitrate_iv/ Recommended dosage range 10-200 micrograms/min by continuous intravenous infusion, adjusted to meet the individual needs of the patient; up to 400 micrograms/min may be necessary during some surgical procedures Continuous infusion, titrated to the desired clinical response with close haemodynamic monitoring Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/iloprost_vascular/ https://clincalcpro.com/drugs/vascular/iloprost_vascular/ Iloprost (IV/Inhaled) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/cilostazol_vascular/ https://clincalcpro.com/drugs/vascular/cilostazol_vascular/ Cilostazol prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/terlipressin_vascular2/ https://clincalcpro.com/drugs/vascular/terlipressin_vascular2/ Terlipressin (Vascular) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/fondaparinux_vascular/ https://clincalcpro.com/drugs/vascular/fondaparinux_vascular/ Fondaparinux prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/rivaroxaban_vascular/ https://clincalcpro.com/drugs/vascular/rivaroxaban_vascular/ CAD or PAD (prevention of atherothrombotic events): 2.5 mg twice daily, in combination with aspirin 75–100 mg once daily Twice daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/apixaban_vascular/ https://clincalcpro.com/drugs/vascular/apixaban_vascular/ Prevention of stroke and systemic embolism in non-valvular atrial fibrillation (NVAF): 5 mg twice daily — reduced to 2.5 mg twice daily in patients with at least two of the following: age 80 years or over, body weight 60 kg or less, or serum creatinine 1.5 mg/dL (133 micromol/L) or above. Treatment of DVT and treatment of PE: 10 mg twice daily for the first 7 days, followed by 5 mg twice daily Twice daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/dabigatran_vascular/ https://clincalcpro.com/drugs/vascular/dabigatran_vascular/ 300 mg dabigatran etexilate daily, taken as one 150 mg capsule twice daily — for prevention of stroke and systemic embolism in non-valvular AF (SPAF), and for treatment of DVT/PE and prevention of recurrent DVT/PE (the latter following at least 5 days of a parenteral anticoagulant) Twice daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/bivalirudin/ https://clincalcpro.com/drugs/vascular/bivalirudin/ Bivalirudin prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/argatroban/ https://clincalcpro.com/drugs/vascular/argatroban/ Argatroban prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/dalteparin/ https://clincalcpro.com/drugs/vascular/dalteparin/ Treatment of VTE (DVT, PE or both): a single weight-banded dose — under 46 kg: 7,500 IU; 46-56 kg: 10,000 IU; 57-68 kg: 12,500 IU; 69-82 kg: 15,000 IU; 83 kg and over: 18,000 IU Once daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/tinzaparin/ https://clincalcpro.com/drugs/vascular/tinzaparin/ Tinzaparin prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/alteplase_vascular/ https://clincalcpro.com/drugs/vascular/alteplase_vascular/ Alteplase (Peripheral Arterial / DVT Use) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/sildenafil_vascular/ https://clincalcpro.com/drugs/vascular/sildenafil_vascular/ Sildenafil prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/bosentan_vascular/ https://clincalcpro.com/drugs/vascular/bosentan_vascular/ Bosentan prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/macitentan/ https://clincalcpro.com/drugs/vascular/macitentan/ Macitentan prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/epoprostenol/ https://clincalcpro.com/drugs/vascular/epoprostenol/ Epoprostenol prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/treprostinil/ https://clincalcpro.com/drugs/vascular/treprostinil/ Treprostinil prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/ambrisentan/ https://clincalcpro.com/drugs/vascular/ambrisentan/ Ambrisentan prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/riociguat_vascular/ https://clincalcpro.com/drugs/vascular/riociguat_vascular/ Riociguat prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/selexipag/ https://clincalcpro.com/drugs/vascular/selexipag/ Selexipag prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/amlodipine_vascular/ https://clincalcpro.com/drugs/vascular/amlodipine_vascular/ 5 mg once daily — the usual initial dose for both hypertension and angina, which may be increased to a maximum dose of 10 mg depending on the individual patient's response Once daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/doxazosin_vascular/ https://clincalcpro.com/drugs/vascular/doxazosin_vascular/ Doxazosin prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/prazosin/ https://clincalcpro.com/drugs/vascular/prazosin/ Prazosin prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/losartan_vascular/ https://clincalcpro.com/drugs/vascular/losartan_vascular/ 50 mg Once daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/hydralazine_vascular/ https://clincalcpro.com/drugs/vascular/hydralazine_vascular/ Start 10 mg four times daily for the first 2 to 4 days; increase to 25 mg four times daily for the balance of the first week; then 50 mg four times daily for the second and subsequent weeks Four times daily Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/sodium_nitroprusside/ https://clincalcpro.com/drugs/vascular/sodium_nitroprusside/ Start at 0.2 micrograms sodium nitroprusside dihydrate/kg/min and double the dose every 3 to 5 minutes until the desired blood pressure level is achieved; the infusion rate varies between 0.2 and 10 micrograms sodium nitroprusside dihydrate/kg/min Continuous infusion, titrated to effect Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/phentolamine_vascular/ https://clincalcpro.com/drugs/vascular/phentolamine_vascular/ Phentolamine prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/phenoxybenzamine/ https://clincalcpro.com/drugs/vascular/phenoxybenzamine/ Phenoxybenzamine prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/tranexamic_acid_vascular/ https://clincalcpro.com/drugs/vascular/tranexamic_acid_vascular/ Tranexamic Acid prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/protamine_vascular/ https://clincalcpro.com/drugs/vascular/protamine_vascular/ Protamine Sulphate prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT https://clincalcpro.com/drugs/vascular/desmopressin_vascular/ https://clincalcpro.com/drugs/vascular/desmopressin_vascular/ Desmopressin (DDAVP) prescribing reference. Drug Fri, 12 Jun 2026 16:02:28 GMT