 <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]  results in muscle weakness. It is not known exactly how this medication works, but it can help lessen symptoms of muscle weakness and loss of movement caused by Lambert-Eaton syndrome. How to use Firdapse Read the Medication Guide provided by your pharmacist before you start taking amifampridine phosphate and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually 3 to 4 times daily. The dosage is based on your medical condition and response to treatment. Children's dose is also based on weight. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully. If you need a dose that doesn't match taking half and/or whole tablets together, or have trouble swallowing tablets, or receive medication through a feeding tube, you may make a liquid suspension with this medication. Read and follow the manufacturer's directions (Instructions for Use leaflet) to make a suspension with the tablet(s) and sterile water. Ask your doctor or pharmacist about what you need to make the suspension. Place the required number of tablets in a container </s>