I have given 2 n half month vaccination 3 days back .His thighs were injection was given is still have a swelling. is it normal, or will i have to consult a doctor

A. Post vaccination swelling may be a common thing specially after DPT vaccine which may be painful for two or thrgee days and the swelling may remain even up to month so if it is not cagtusing any pain or other symptoms nothing to worry. Swelling can be reduced by giving ice fomentation locally and paracetamol can be given for fever or pain. Thrombophobe ointment can be applied in acute pain and swelling .