 <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] idol. It is usually used in people who have taken the form of haloperidol that is taken by mouth. It is injected deep into a muscle (usually the buttocks) by a healthcare professional. Your first dose may be divided and given as separate injections, 3 to 7 days apart. After your doctor has found the best dose for you, this medication is usually given once every 3 to 4 weeks. The dosage is based on your condition and response to treatment. This medication takes a while to start working, so you will need to continue to take your other medication by mouth until your doctor tells you to stop. This medication must be used as prescribed. Do not suddenly stop using this drug without consulting your doctor. Some conditions may worsen if the medication is suddenly stopped. Tell your doctor if your symptoms do not improve or if they worsen.The side effects of Haldol Decanoate Intramuscular: Dizziness, lightheadedness, drowsiness, difficulty urinating, trouble sleeping, headache, anxiety, or pain at the injection site may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Dizziness and lightheadedness can increase the risk of falling. Get up slowly when rising from </s>