 <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]  ingredients. Using these drugs along with this product could increase side effects. Ask your pharmacist about using those products safely. This medication may interfere with certain lab tests (such as urine drug screening tests, urine 5-HIAA, allergy skin test), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Vicks Nyquil Nighttime Relief 6.25 Mg-15 Mg-325 Mg/15 Ml Oral Liquid interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Vicks Nyquil Nighttime Relief 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. Symptoms of overdose may include: nausea, vomiting, loss of appetite, sweating, stomach/abdominal pain, extreme tiredness, agitation, confusion, flushing, hallucinations, yellowing eyes/skin, dark urine, seizures. In children, excitement may occur first, and may be followed by: loss of </s>