 <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]  all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. A product that may interact with this drug is: flu vaccine inhaled through the nose. Does Rimantadine HCL interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Rimantadine 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 mental/mood changes (such as agitation, hallucinations), irregular heartbeat, trouble breathing, change in amount of urine, unconscious, fever, or seizures.  Notes Do not share this product with others. This medication works best at reducing the length and severity of the flu when taken within 24 to 48 hours of the first appearance of flu symptoms.  Missed Dose If you miss a dose, take it as soon as you remember. If it </s>