 <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]  the tablets whole. If you are using the chewable form, chew thoroughly before swallowing. If you are using a liquid form, carefully measure your dose using a medication-measuring device or spoon. Do not use a household spoon because you may not get the correct dose. Some brands of this medication should be shaken well before each use. If you are using the rapidly dissolving tablets, dry your hands before handling the tablet. Some brands are meant to be placed on the tongue, while others are placed under the tongue. Follow your brand's directions for placing your dose either on or under the tongue. Allow it to dissolve completely, then swallow it with saliva. You do not need to take this medication with water. This medication may start to work within 30 minutes. If your condition lasts or gets worse, or if you think you may have a serious medical problem, get medical help right away.The side effects of Melatonin-Pyridoxal Phosphate (Vitamin B6) Oral: Headache, dizziness, shaking, nausea, or abdominal cramps may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. This product may also make you drowsy or less alert during the day. Consult </s>