Whether you can take medication 48 hours after the vaccination depends on whether there is an adverse reaction and the type of medication. It is recommended that you consult your doctor before making a decision and follow medical advice. Usually, if there are no obvious adverse reactions 48 hours after vaccination, it is possible to take medicine. If the body has adverse reactions after vaccination, such as fever, headache, local redness, swelling, rash, etc., it is recommended to take medication after the adverse reactions have subsided if it is not necessary to do so, so as not to aggravate the discomfort. It is not forbidden to take medication 48 hours after vaccination, but it should be judged on a case-by-case basis and confirmed whether the medication may aggravate the discomfort. If you take micronutrient-based medications such as calcium and iron within a short period of time after the vaccination, they usually do not interfere with the organism. Other medications such as antibiotics, wait until 48 hours after the vaccination before taking them at your discretion. In the case of patients with chronic diseases such as hypertension and diabetes requiring long-term medication, medication can usually be taken without adverse reactions after vaccination and usually does not cause significant adverse effects. Pay close attention to any physical discomfort after taking the medication, and if adverse reactions are induced and are more serious, actively seek medical attention to clarify whether they are caused by the medication itself or are related to the vaccination.