 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  as acitretin, isotretinoin), digoxin, phenobarbital, warfarin. This medication may interfere with certain lab tests (such as some urine tests for sugar), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does DOXY 100 Vial interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Doxy-100 Intravenous: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.  Notes With long-term use, lab and/or medical tests (such as complete blood count, kidney/liver function) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose It is important to get each dose of this medication as scheduled. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule. Do not double the dose to catch </s>