| Abciximab | Abciximab may increase the anticoagulant activities of Ardeparin. | Approved |
| Aceclofenac | Aceclofenac may increase the anticoagulant activities of Ardeparin. | Approved |
| Acenocoumarol | Ardeparin may increase the anticoagulant activities of Acenocoumarol. | Approved |
| Acetylsalicylic acid | Acetylsalicylic acid may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Adapalene | Adapalene may increase the anticoagulant activities of Ardeparin. | Approved |
| Aliskiren | Ardeparin may increase the hyperkalemic activities of Aliskiren. | Approved, Investigational |
| Allylestrenol | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Allylestrenol. | Approved |
| Alprostadil | Alprostadil may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Alteplase | Alteplase may increase the anticoagulant activities of Ardeparin. | Approved |
| Amiloride | Ardeparin may increase the hyperkalemic activities of Amiloride. | Approved |
| Aminosalicylic Acid | Aminosalicylic Acid may increase the anticoagulant activities of Ardeparin. | Approved |
| Anagrelide | Anagrelide may increase the anticoagulant activities of Ardeparin. | Approved |
| Ancrod | Ardeparin may increase the anticoagulant activities of Ancrod. | Investigational |
| Anistreplase | Anistreplase may increase the anticoagulant activities of Ardeparin. | Approved |
| Antipyrine | Antipyrine may increase the anticoagulant activities of Ardeparin. | Approved |
| Antithrombin III human | Ardeparin may increase the anticoagulant activities of Antithrombin III human. | Approved |
| Apixaban | Apixaban may increase the anticoagulant activities of Ardeparin. | Approved |
| Apremilast | Apremilast may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Aprotinin | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Aprotinin. | Approved, Withdrawn |
| Argatroban | Argatroban may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Azapropazone | Azapropazone may increase the anticoagulant activities of Ardeparin. | Withdrawn |
| Azelastine | Azelastine may increase the anticoagulant activities of Ardeparin. | Approved |
| Azilsartan medoxomil | Ardeparin may increase the hyperkalemic activities of Azilsartan medoxomil. | Approved |
| Balsalazide | The risk or severity of adverse effects can be increased when Balsalazide is combined with Ardeparin. | Approved, Investigational |
| Bazedoxifene | Bazedoxifene may decrease the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Becaplermin | Becaplermin may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Bemiparin | Bemiparin may increase the anticoagulant activities of Ardeparin. | Approved |
| Benazepril | Ardeparin may increase the hyperkalemic activities of Benazepril. | Approved, Investigational |
| Benoxaprofen | Benoxaprofen may increase the anticoagulant activities of Ardeparin. | Withdrawn |
| Beraprost | Beraprost may increase the anticoagulant activities of Ardeparin. | Investigational |
| Bivalirudin | Bivalirudin may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Bromfenac | Bromfenac may increase the anticoagulant activities of Ardeparin. | Approved |
| Canagliflozin | Ardeparin may increase the hyperkalemic activities of Canagliflozin. | Approved |
| Candesartan | Ardeparin may increase the hyperkalemic activities of Candesartan. | Approved |
| Candoxatril | Ardeparin may increase the hyperkalemic activities of Candoxatril. | Experimental |
| Cangrelor | Cangrelor may increase the anticoagulant activities of Ardeparin. | Approved |
| Captopril | Ardeparin may increase the hyperkalemic activities of Captopril. | Approved |
| Carprofen | Carprofen may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved, Withdrawn |
| Castanospermine | Castanospermine may increase the anticoagulant activities of Ardeparin. | Experimental |
| Celecoxib | Celecoxib may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Certoparin | Ardeparin may increase the anticoagulant activities of Certoparin. | Approved |
| Chloroquine | Chloroquine may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Chlorotrianisene | Chlorotrianisene may decrease the anticoagulant activities of Ardeparin. | Withdrawn |
| Cilazapril | Ardeparin may increase the hyperkalemic activities of Cilazapril. | Approved |
| Cilostazol | Cilostazol may increase the anticoagulant activities of Ardeparin. | Approved |
| Citric Acid | Ardeparin may increase the anticoagulant activities of Citric Acid. | Nutraceutical, Vet Approved |
| Clonixin | Clonixin may increase the anticoagulant activities of Ardeparin. | Approved |
| Clopidogrel | Clopidogrel may increase the anticoagulant activities of Ardeparin. | Approved, Nutraceutical |
| Conjugated Equine Estrogens | Conjugated Equine Estrogens may decrease the anticoagulant activities of Ardeparin. | Approved |
| Dabigatran etexilate | Dabigatran etexilate may increase the anticoagulant activities of Ardeparin. | Approved |
| Dalteparin | Ardeparin may increase the anticoagulant activities of Dalteparin. | Approved |
| Dasatinib | Dasatinib may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Deferasirox | The risk or severity of adverse effects can be increased when Ardeparin is combined with Deferasirox. | Approved, Investigational |
| Defibrotide | Defibrotide may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Deoxycholic Acid | The risk or severity of adverse effects can be increased when Ardeparin is combined with Deoxycholic Acid. | Approved |
| Desirudin | Ardeparin may increase the anticoagulant activities of Desirudin. | Approved |
| Desmoteplase | Desmoteplase may increase the anticoagulant activities of Ardeparin. | Investigational |
| Desogestrel | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Desogestrel. | Approved |
| Dextran | Ardeparin may increase the anticoagulant activities of Dextran. | Approved, Vet Approved |
| Dextran 40 | Ardeparin may increase the anticoagulant activities of Dextran 40. | Approved |
| Diclofenac | Diclofenac may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Dicoumarol | Dicoumarol may increase the anticoagulant activities of Ardeparin. | Approved |
| Dienestrol | Dienestrol may decrease the anticoagulant activities of Ardeparin. | Approved |
| Dienogest | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Dienogest. | Approved |
| Diethylstilbestrol | Diethylstilbestrol may decrease the anticoagulant activities of Ardeparin. | Approved |
| Diflunisal | Diflunisal may increase the anticoagulant activities of Ardeparin. | Approved |
| Dipyridamole | Dipyridamole may increase the anticoagulant activities of Ardeparin. | Approved |
| Ditazole | Ditazole may increase the anticoagulant activities of Ardeparin. | Approved, Withdrawn |
| Drospirenone | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Drospirenone. | Approved |
| Drotrecogin alfa | Drotrecogin alfa may increase the anticoagulant activities of Ardeparin. | Approved, Investigational, Withdrawn |
| Droxicam | Droxicam may increase the anticoagulant activities of Ardeparin. | Approved |
| Dydrogesterone | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Dydrogesterone. | Approved, Withdrawn |
| Edetic Acid | Ardeparin may increase the anticoagulant activities of Edetic Acid. | Approved, Vet Approved |
| Edoxaban | Edoxaban may increase the anticoagulant activities of Ardeparin. | Approved |
| Enalapril | Ardeparin may increase the hyperkalemic activities of Enalapril. | Approved, Vet Approved |
| Enalaprilat | Ardeparin may increase the hyperkalemic activities of Enalaprilat. | Approved |
| Enoxaparin | Ardeparin may increase the anticoagulant activities of Enoxaparin. | Approved |
| Epinastine | Epinastine may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Epirizole | Epirizole may increase the anticoagulant activities of Ardeparin. | Approved |
| Eplerenone | Ardeparin may increase the hyperkalemic activities of Eplerenone. | Approved |
| Epoprostenol | Epoprostenol may increase the anticoagulant activities of Ardeparin. | Approved |
| Eprosartan | Ardeparin may increase the hyperkalemic activities of Eprosartan. | Approved |
| Eptifibatide | Eptifibatide may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Estradiol | Estradiol may decrease the anticoagulant activities of Ardeparin. | Approved, Investigational, Vet Approved |
| Estriol | Estriol may decrease the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Estrone | Estrone may decrease the anticoagulant activities of Ardeparin. | Approved |
| Etanercept | Etanercept may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Ethinyl Estradiol | Ethinyl Estradiol may decrease the anticoagulant activities of Ardeparin. | Approved |
| Ethyl biscoumacetate | Ardeparin may increase the anticoagulant activities of Ethyl biscoumacetate. | Withdrawn |
| Ethynodiol diacetate | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Ethynodiol diacetate. | Approved |
| Etodolac | Etodolac may increase the anticoagulant activities of Ardeparin. | Approved, Investigational, Vet Approved |
| Etofenamate | Etofenamate may increase the anticoagulant activities of Ardeparin. | Approved |
| Etonogestrel | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Etonogestrel. | Approved, Investigational |
| Etoricoxib | Etoricoxib may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Fenbufen | Fenbufen may increase the anticoagulant activities of Ardeparin. | Approved |
| Fenoprofen | Fenoprofen may increase the anticoagulant activities of Ardeparin. | Approved |
| Fibrinolysin | Fibrinolysin may increase the anticoagulant activities of Ardeparin. | Approved |
| Floctafenine | Floctafenine may increase the anticoagulant activities of Ardeparin. | Approved, Withdrawn |
| Flurbiprofen | Flurbiprofen may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Fondaparinux sodium | Ardeparin may increase the anticoagulant activities of Fondaparinux sodium. | Approved, Investigational |
| Forasartan | Ardeparin may increase the hyperkalemic activities of Forasartan. | Experimental |
| Fosinopril | Ardeparin may increase the hyperkalemic activities of Fosinopril. | Approved |
| Gabexate | Ardeparin may increase the anticoagulant activities of Gabexate. | Investigational |
| Genistein | Genistein may decrease the anticoagulant activities of Ardeparin. | Investigational |
| Gestodene | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Gestodene. | Approved |
| Gestrinone | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Gestrinone. | Approved |
| Hemin | Hemin may increase the anticoagulant activities of Ardeparin. | Approved |
| Heparin | Ardeparin may increase the anticoagulant activities of Heparin. | Approved, Investigational |
| Hexestrol | Hexestrol may decrease the anticoagulant activities of Ardeparin. | Withdrawn |
| HMPL-004 | HMPL-004 may increase the anticoagulant activities of Ardeparin. | Investigational |
| Hydroxyprogesterone caproate | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Hydroxyprogesterone caproate. | Approved |
| Ibritumomab tiuxetan | The risk or severity of adverse effects can be increased when Ardeparin is combined with Ibritumomab tiuxetan. | Approved |
| Ibrutinib | The risk or severity of adverse effects can be increased when Ibrutinib is combined with Ardeparin. | Approved |
| Ibudilast | Ibudilast may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Ibuprofen | Ibuprofen may increase the anticoagulant activities of Ardeparin. | Approved |
| Ibuproxam | Ibuproxam may increase the anticoagulant activities of Ardeparin. | Withdrawn |
| Icatibant | Icatibant may increase the anticoagulant activities of Ardeparin. | Approved |
| Icosapent ethyl | Icosapent ethyl may increase the anticoagulant activities of Ardeparin. | Approved, Nutraceutical |
| Ifenprodil | Ifenprodil may increase the anticoagulant activities of Ardeparin. | Approved, Withdrawn |
| Iloprost | Iloprost may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Indomethacin | Indomethacin may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Indoprofen | Indoprofen may increase the anticoagulant activities of Ardeparin. | Withdrawn |
| Irbesartan | Ardeparin may increase the hyperkalemic activities of Irbesartan. | Approved, Investigational |
| Isoxicam | Isoxicam may increase the anticoagulant activities of Ardeparin. | Withdrawn |
| Kebuzone | Kebuzone may increase the anticoagulant activities of Ardeparin. | Experimental |
| Ketoprofen | Ketoprofen may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Ketorolac | Ketorolac may increase the anticoagulant activities of Ardeparin. | Approved |
| Leflunomide | Leflunomide may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Lepirudin | Lepirudin may increase the anticoagulant activities of Ardeparin. | Approved |
| Levonorgestrel | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Levonorgestrel. | Approved, Investigational |
| Limaprost | The risk or severity of adverse effects can be increased when Limaprost is combined with Ardeparin. | Approved |
| Lisinopril | Ardeparin may increase the hyperkalemic activities of Lisinopril. | Approved, Investigational |
| Lornoxicam | Lornoxicam may increase the anticoagulant activities of Ardeparin. | Approved |
| Losartan | Ardeparin may increase the hyperkalemic activities of Losartan. | Approved |
| Loxoprofen | Loxoprofen may increase the anticoagulant activities of Ardeparin. | Approved |
| Lumiracoxib | Lumiracoxib may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Magnesium salicylate | Magnesium salicylate may increase the anticoagulant activities of Ardeparin. | Approved |
| Masoprocol | Masoprocol may increase the anticoagulant activities of Ardeparin. | Approved |
| Meclofenamic acid | Meclofenamic acid may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Medrogestone | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Medrogestone. | Approved |
| Medroxyprogesterone acetate | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Medroxyprogesterone acetate. | Approved, Investigational |
| Mefenamic acid | Mefenamic acid may increase the anticoagulant activities of Ardeparin. | Approved |
| Megestrol acetate | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Megestrol acetate. | Approved, Vet Approved |
| Meloxicam | Meloxicam may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Mesalazine | The risk or severity of adverse effects can be increased when Mesalazine is combined with Ardeparin. | Approved |
| Mestranol | Mestranol may decrease the anticoagulant activities of Ardeparin. | Approved |
| Metamizole | Metamizole may increase the anticoagulant activities of Ardeparin. | Withdrawn |
| Methallenestril | Methallenestril may decrease the anticoagulant activities of Ardeparin. | Experimental |
| Milrinone | Milrinone may increase the anticoagulant activities of Ardeparin. | Approved |
| Moexipril | Ardeparin may increase the hyperkalemic activities of Moexipril. | Approved |
| Mycophenolate mofetil | Mycophenolate mofetil may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Mycophenolic acid | Mycophenolic acid may increase the anticoagulant activities of Ardeparin. | Approved |
| Nabumetone | Nabumetone may increase the anticoagulant activities of Ardeparin. | Approved |
| Nadroparin | Ardeparin may increase the anticoagulant activities of Nadroparin. | Approved |
| Nafamostat | Nafamostat may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Naftifine | Naftifine may increase the anticoagulant activities of Ardeparin. | Approved |
| Naproxen | Naproxen may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| NCX 4016 | NCX 4016 may increase the anticoagulant activities of Ardeparin. | Investigational |
| Nepafenac | Nepafenac may increase the anticoagulant activities of Ardeparin. | Approved |
| Niflumic Acid | Niflumic Acid may increase the anticoagulant activities of Ardeparin. | Approved |
| Nimesulide | Nimesulide may increase the anticoagulant activities of Ardeparin. | Approved, Withdrawn |
| Nintedanib | The risk or severity of adverse effects can be increased when Ardeparin is combined with Nintedanib. | Approved |
| Norethisterone | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Norethisterone. | Approved |
| Obinutuzumab | The risk or severity of adverse effects can be increased when Ardeparin is combined with Obinutuzumab. | Approved |
| Olmesartan | Ardeparin may increase the hyperkalemic activities of Olmesartan. | Approved, Investigational |
| Olopatadine | Olopatadine may increase the anticoagulant activities of Ardeparin. | Approved |
| Olsalazine | The risk or severity of adverse effects can be increased when Olsalazine is combined with Ardeparin. | Approved |
| Omacetaxine mepesuccinate | The risk or severity of adverse effects can be increased when Ardeparin is combined with Omacetaxine mepesuccinate. | Approved |
| Omapatrilat | Ardeparin may increase the hyperkalemic activities of Omapatrilat. | Investigational |
| Omega-3 fatty acids | Omega-3 fatty acids may increase the anticoagulant activities of Ardeparin. | Approved, Nutraceutical |
| Oxaprozin | Oxaprozin may increase the anticoagulant activities of Ardeparin. | Approved |
| Oxyphenbutazone | Oxyphenbutazone may increase the anticoagulant activities of Ardeparin. | Withdrawn |
| Palifermin | The serum concentration of Palifermin can be increased when it is combined with Ardeparin. | Approved |
| Parecoxib | Parecoxib may increase the anticoagulant activities of Ardeparin. | Approved |
| Parnaparin | Parnaparin may increase the anticoagulant activities of Ardeparin. | Approved |
| Pentosan Polysulfate | Pentosan Polysulfate may increase the anticoagulant activities of Ardeparin. | Approved |
| Pentoxifylline | Pentoxifylline may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Perindopril | Ardeparin may increase the hyperkalemic activities of Perindopril. | Approved |
| Phenindione | Ardeparin may increase the anticoagulant activities of Phenindione. | Approved |
| Phenprocoumon | Ardeparin may increase the anticoagulant activities of Phenprocoumon. | Approved |
| Phenylbutazone | Phenylbutazone may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Pimecrolimus | Pimecrolimus may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Pirfenidone | Pirfenidone may increase the anticoagulant activities of Ardeparin. | Investigational |
| Piroxicam | Piroxicam may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Plasmin | Plasmin may increase the anticoagulant activities of Ardeparin. | Investigational |
| Prasugrel | Prasugrel may increase the anticoagulant activities of Ardeparin. | Approved |
| Progesterone | The therapeutic efficacy of Ardeparin can be decreased when used in combination with Progesterone. | Approved, Vet Approved |
| Propacetamol | Propacetamol may increase the anticoagulant activities of Ardeparin. | Approved |
| Protein S human | Ardeparin may increase the anticoagulant activities of Protein S human. | Approved |
| PTC299 | PTC299 may increase the anticoagulant activities of Ardeparin. | Investigational |
| Quinapril | Ardeparin may increase the hyperkalemic activities of Quinapril. | Approved, Investigational |
| Quinestrol | Quinestrol may decrease the anticoagulant activities of Ardeparin. | Approved |
| Ramipril | Ardeparin may increase the hyperkalemic activities of Ramipril. | Approved |
| Rescinnamine | Ardeparin may increase the hyperkalemic activities of Rescinnamine. | Approved |
| Resveratrol | Resveratrol may increase the anticoagulant activities of Ardeparin. | Experimental, Investigational |
| Reteplase | Reteplase may increase the anticoagulant activities of Ardeparin. | Approved |
| Reviparin | Ardeparin may increase the anticoagulant activities of Reviparin. | Approved |
| Ridogrel | Ridogrel may increase the anticoagulant activities of Ardeparin. | Approved |
| Rivaroxaban | Ardeparin may increase the anticoagulant activities of Rivaroxaban. | Approved |
| Rofecoxib | Rofecoxib may increase the anticoagulant activities of Ardeparin. | Investigational, Withdrawn |
| Rosiglitazone | Rosiglitazone may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Sacubitril | Ardeparin may increase the hyperkalemic activities of Sacubitril. | Approved |
| Salicylamide | Salicylamide may increase the anticoagulant activities of Ardeparin. | Approved |
| Salicylic acid | Salicylic acid may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Salsalate | Salsalate may increase the anticoagulant activities of Ardeparin. | Approved |
| Saprisartan | Ardeparin may increase the hyperkalemic activities of Saprisartan. | Experimental |
| SCH-530348 | SCH-530348 may increase the anticoagulant activities of Ardeparin. | Investigational |
| Selexipag | Selexipag may increase the anticoagulant activities of Ardeparin. | Approved |
| Sevoflurane | Sevoflurane may increase the anticoagulant activities of Ardeparin. | Approved, Vet Approved |
| Spirapril | Ardeparin may increase the hyperkalemic activities of Spirapril. | Approved |
| Spironolactone | Ardeparin may increase the hyperkalemic activities of Spironolactone. | Approved |
| SRT501 | SRT501 may increase the anticoagulant activities of Ardeparin. | Investigational |
| Streptokinase | Streptokinase may increase the anticoagulant activities of Ardeparin. | Approved |
| Sugammadex | Sugammadex may increase the anticoagulant activities of Ardeparin. | Approved |
| Sulfasalazine | The risk or severity of adverse effects can be increased when Sulfasalazine is combined with Ardeparin. | Approved |
| Sulindac | Sulindac may increase the anticoagulant activities of Ardeparin. | Approved |
| Sulodexide | Ardeparin may increase the anticoagulant activities of Sulodexide. | Approved, Investigational |
| Suprofen | Suprofen may increase the anticoagulant activities of Ardeparin. | Approved, Withdrawn |
| Synthetic Conjugated Estrogens, A | Synthetic Conjugated Estrogens, A may decrease the anticoagulant activities of Ardeparin. | Approved |
| Synthetic Conjugated Estrogens, B | Synthetic Conjugated Estrogens, B may decrease the anticoagulant activities of Ardeparin. | Approved |
| Tasosartan | Ardeparin may increase the hyperkalemic activities of Tasosartan. | Approved |
| Telmisartan | Ardeparin may increase the hyperkalemic activities of Telmisartan. | Approved, Investigational |
| Temocapril | Ardeparin may increase the hyperkalemic activities of Temocapril. | Experimental, Investigational |
| Tenecteplase | Tenecteplase may increase the anticoagulant activities of Ardeparin. | Approved |
| Tenoxicam | Tenoxicam may increase the anticoagulant activities of Ardeparin. | Approved |
| Teriflunomide | Teriflunomide may increase the anticoagulant activities of Ardeparin. | Approved |
| Tesmilifene | Tesmilifene may increase the anticoagulant activities of Ardeparin. | Investigational |
| Tiaprofenic acid | Tiaprofenic acid may increase the anticoagulant activities of Ardeparin. | Approved |
| Tibolone | Tibolone may increase the anticoagulant activities of Ardeparin. | Approved |
| Ticagrelor | Ticagrelor may increase the anticoagulant activities of Ardeparin. | Approved |
| Ticlopidine | Ticlopidine may increase the anticoagulant activities of Ardeparin. | Approved |
| Tinzaparin | Tinzaparin may increase the anticoagulant activities of Ardeparin. | Approved |
| Tipranavir | Tipranavir may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Tirofiban | Tirofiban may increase the anticoagulant activities of Ardeparin. | Approved |
| Tolfenamic Acid | Tolfenamic Acid may increase the anticoagulant activities of Ardeparin. | Approved |
| Tolmetin | Tolmetin may increase the anticoagulant activities of Ardeparin. | Approved |
| Tositumomab | The risk or severity of adverse effects can be increased when Ardeparin is combined with Tositumomab. | Approved |
| Trandolapril | Ardeparin may increase the hyperkalemic activities of Trandolapril. | Approved |
| Tranilast | Tranilast may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Trapidil | Trapidil may increase the anticoagulant activities of Ardeparin. | Approved |
| Treprostinil | Treprostinil may increase the anticoagulant activities of Ardeparin. | Approved, Investigational |
| Triamterene | Ardeparin may increase the hyperkalemic activities of Triamterene. | Approved |
| Triflusal | Triflusal may increase the anticoagulant activities of Ardeparin. | Approved |
| Trisalicylate-choline | Trisalicylate-choline may increase the anticoagulant activities of Ardeparin. | Approved |
| Urokinase | Urokinase may increase the anticoagulant activities of Ardeparin. | Approved, Investigational, Withdrawn |
| Valdecoxib | Valdecoxib may increase the anticoagulant activities of Ardeparin. | Investigational, Withdrawn |
| Valsartan | Ardeparin may increase the hyperkalemic activities of Valsartan. | Approved, Investigational |
| Vitamin E | Vitamin E may increase the anticoagulant activities of Ardeparin. | Approved, Nutraceutical, Vet Approved |
| Vorapaxar | The risk or severity of adverse effects can be increased when Vorapaxar is combined with Ardeparin. | Approved |
| Warfarin | Ardeparin may increase the anticoagulant activities of Warfarin. | Approved |
| Ximelagatran | Ardeparin may increase the anticoagulant activities of Ximelagatran. | Approved, Investigational, Withdrawn |
| Zaltoprofen | Zaltoprofen may increase the anticoagulant activities of Ardeparin. | Approved |
| Zileuton | Zileuton may increase the anticoagulant activities of Ardeparin. | Approved, Investigational, Withdrawn |
| Zomepirac | Zomepirac may increase the anticoagulant activities of Ardeparin. | Withdrawn |
