 <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] xycycline, tetracycline), drugs that interact with antacids. Other medications (such as quinolone antibiotics including ciprofloxacin/levofloxacin) may require different separation time schedules. Talk with your doctor or pharmacist about how to schedule lanthanum and your other medications. Does Lanthanum 1,000 Mg Oral Powder Packet interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Lanthanum Oral: 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 Your doctor may tell you to follow a special diet to help lower your blood phosphate levels. Follow the diet closely. Do not share this medication with others. Lab and/or medical tests (such as blood phosphate and calcium levels) should be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose If you miss a dose, skip </s>