You can basically take a shower 24 hours after the general injection. Because the standard shot has a disinfection process and pressure process, you can usually take a shower after reaching 24 hours, but it is not recommended to take a bath, a shower is sufficient. If the eye of the shot is thicker, with redness, swelling, or even pus, you cannot take a shower after 24 hours, but after 36 or 48 hours, depending on the situation, or you can choose to take a shower, and the injection site should be protected with plastic wrap when taking a shower. If the medication given is likely to cause allergies, such as vaccines, care needs to be taken when taking a shower, especially for patients who are prone to allergies. Because taking a shower after the injection, especially during the soaking process, the heating of the blood will enhance the reaction, which may not originally cause allergy, but after the heating of the blood will cause allergy again, therefore, the time of showering needs to be extended to 72 hours later.