Quadrimeningo 50mcg Injection 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. Quadrimeningo 50mcg Injection is recommended in children (from 2 years of age), adolescents, and adults to prevent invasive meningococcal disease. The use of this vaccine should be in accordance with official recommendations. It 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. Some common side effects of this medicine include injection site reactions (such as pain, swelling, redness), nausea, headache, sleepiness, irritability, malaise, and myalgia. 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.