Menactra Vaccine is used to prevent meningococcal disease. This is indicated for active immunization to prevent invasive meningococcal disease caused by Neisseria meningitidis serogroups A, C,Y and W-135. It is approved for use in individuals 9 months through 55 years of age. Menactra Vaccine is given by a healthcare professional and should not be self-administered. It is important to receive all the doses of the vaccine to be effective. A single booster dose may be given to individuals 15 through 55 years of age at continued risk for meningococcal disease, if at least 4 to 6 years have elapsed since the prior dose. Do not administer this product intravenously, subcutaneously, or intradermally.Some common side effects of this medicine include injection site reactions (such as pain, swelling, redness), irritability, loss of appetite, sleepiness, headache, nausea, vomiting, and diarrhea. If these side effects do not go away with time or get worse, let the doctor know. The doctor may help with ways to reduce or prevent these symptoms.To make sure the vaccine is safe, before receiving the vaccine, it is important to let the doctor know if you have any other illnesses. You should also tell the doctor about all the medicines you are taking. Pregnant and breastfeeding mothers should consult and seek advice from their doctor before receiving the vaccine.