Ok, well I see every so often, that a member posts a thread asking "Will taking Testosterone E or C interact with medication X that I take for condition Y." So, i will include in this thread the MAJOR drug interactions when taking Testosterone Enanthate or Cypionate. There are 235 Moderate reactions, but for now I will only post the severe/major ones.
Godfather
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The following drugs which are heart medications, have the following potential ADR with Testosterone treatment
Anisindione
Coumadin
Dicumarol
Jantoven
Miradon
Warfarin
MONITOR CLOSELY: Androgens and anabolic steroids may potentiate the hypoprothrombinemic response to oral anticoagulants and increase the risk of bleeding. The onset of interaction is generally observed within 2 to 3 days. The mechanism is unknown. There have been case reports of patients stabilized on oral anticoagulant therapy who developed bleeding complications following the addition of various androgenic agents including danazol, oxymetholone, testosterone, methyltestosterone, and stanozolol. In a clinical study (n=15), the concomitant administration of oxandrolone 10 to 20 mg per day increased the half-life of the more active S(-) enantiomer of warfarin from 26 to 48 hours and the systemic exposure (AUC) from 4.55 to 12.08 ng-hr/mL. R(-) warfarin half-life and AUC also increased. Microscopic hematuria and gingival bleeding were reported, and the warfarin dose had to be reduced by 80% to 85% to maintain the desired INR.
MANAGEMENT: During concomitant therapy, the INR and/or PT should be monitored closely and anticoagulant dosage adjusted accordingly, particularly following initiation, discontinuation or change of dosage of the androgenic agent in patients who are stabilized on their anticoagulation regimen. Significant anticoagulant dose reductions may be required. Some experts recommend avoiding this combination altogether. Patients should be advised to promptly report any signs of bleeding to their physician, including pain, swelling, headache, dizziness, weakness, prolonged bleeding from cuts, increased menstrual flow, vaginal bleeding, nosebleeds, bleeding of gums from brushing, unusual bleeding or bruising, red or brown urine, or red or black stools.
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Drugs Listed as having a MODERATE interaction-
acetoHEXAMIDE, Agenerase, Amaryl, amprenavir, Apidra, Apidra OptiClik Cartridge, aprepitant, Arava, Armour Thyroid, Avonex, Avonex Prefilled Syringe, Betaseron, bosentan, Cardizem, Cardizem CD, Cardizem LA, Cardizem Monovial, Cardizem SR, Cartia XT, chlorproPAMIDE, clofarabine, Clolar, conivaptan, cycloSPORINE, Cytomel, dalfopristin, dasatinib, DiaBeta, Diabinese, D***ucan, Dilacor XR, Diltia XT, diltiazem, diltiazem 24 hour extended release, diltiazem extended release, Diltiazem Hydrochloride CD, Diltiazem Hydrochloride SR, Diltiazem Hydrochloride XR, Diltiazem Hydrochloride XT, Dymelor, echinacea, efavirenz, Eltroxin, Emend, Emend 3-Day, Euthyrox, Eutroxsig, Evotrox, EXUBERA, EXUBERA Combination Pack 12, EXUBERA Combination Pack 15, EXUBERA Kit, FK506, fluconazole, fluvoxamine, Folex PFS, Fortovase, fosamprenavir, Gengraf, Gleevec, glimepiride, glipiZIDE, glipiZIDE extended release, GlipiZIDE XL, Glucotrol, Glucotrol XL, glyBURIDE, glyBURIDE micronized, Glynase PresTab, grepafloxacin, Humalog, Humalog Pen, Humulin L, Humulin N, Humulin N Pen, Humulin R, Humulin R (Concentrated), Humulin U, Iletin II Lente Pork, Iletin II NPH Pork, Iletin II Regular Pork, Iletin Lente, Iletin NPH, Iletin Regular, imatinib, insulin, insulin analog, insulin aspart, insulin aspart protamine, insulin detemir, insulin glargine, insulin glulisine, insulin inhalation, rapid acting, insulin isophane, Insulin Lente Pork, insulin lispro, insulin lispro protamine, Insulin Purified NPH Pork, Insulin Purified Regular Pork, insulin regular, insulin zinc, insulin zinc extended, insulin, lente, insulin, NPH, insulin, ultralente, interferon beta-1a, interferon beta-1b, Invirase, itraconazole, Ketek, Ketek Pak, L THYROXINE ROCHE, l-thyroxine, Lantus, Lantus OptiClik Cartridge, Lantus Solostar Pen, lapatinib, leflunomide, Lente insulin, Levemir, Levemir FlexPen, Levemir InnoLet, Levemir PenFill, Levo-T, Levotabs, Levotec, Levothroid, LEVOTHYROX, levothyroxine, Levoxyl, Lexiva, liothyronine, liotrix, Luvox, methotrexate, mibefradil, Micronase, Mifeprex, mifepristone, naltrexone, nateglinide, Nature-Throid, nefazodone, nelfinavir, Neoral, Norvir, Norvir Soft Gelatin, Novolin L, Novolin N, Novolin N Innolet, Novolin N PenFill, Novolin R, Novolin R Innolet, Novolin R PenFill, NovoLog, NovoLog FlexPen, NovoLog PenFill, Noxafil, NPH insulin, Orinase, Oroxine, oxcarbazepine, posaconazole, Posicor, Prandin, Priftin, Prograf, protamine zinc insulin, Rapamune, Raxar, Rebif, regular insulin, repaglinide, ReVia, Rezulin, Rheumatrex Dose Pack, rifapentine, ritonavir, RU-486, Sandimmune, saquinavir, saquinavir mesylate, Serzone, sirolimus, Sporanox, Sprycel, Starlix, Sustiva, Synthroid, tacrolimus, Taztia XT, telithromycin, Telzir, thioguanine, thyroid desiccated, Thyrolar-1, Thyrolar-1/2, Thyrolar-1/4, Thyrolar-2, Thyrolar-3, Tiazac, Tirosint, Tol-Tab, TOLAZamide, TOLBUTamide, Tolinase, Tracleer, Trexall, Trileptal, Triostat, troglitazone, Tykerb, Ultralente insulin, Unithroid, Vaprisol, Velosulin BR, VFEND, Viracept, Vivitrol, voriconazole, Westhroid.