Hello good morning and nothing to worry about the headache and usually it is common after taking the vaccine. Take Dolo 650 every 12 hours for one or two days Relax and take plenty of water with fruits and fruit juices and do not take non vegetarian food on the alcohol and smoking if you are taking if the headache does not come under control, then you can go through clinical examination from any general physician.

Take Paracetamol tablet