 <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] ), or other antihistamines (such as cetirizine, diphenhydramine). Check the labels on all your medicines (such as allergy or cough-and-cold products, diet aids) because they may contain ingredients that could affect your blood pressure or cause drowsiness. Ask your pharmacist about using those products safely. This medication may interfere with certain medical/lab tests (such as brain scan for Parkinson's disease, urine drug screening tests, allergy skin test), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Wal-Act D Cold & Allergy interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Wal-Act D Cold And Allergy 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: irregular heartbeat, hallucinations, fainting, seizures.  Notes If your doctor has prescribed this medication, do not share it with others. </s>