Immunoglobulin can be given to patients during a cold. Immunoglobulin injections can improve the body’s immunity. Immunoglobulin injections for patients with colds can promote early recovery, so this medicine can usually be injected during a cold. The body’s immune system is strong or the symptoms of cold are not obvious, usually do not need to take immunoglobulin. The injection of immunoglobulin may cause redness, swelling and pain in the affected area, rash, itching, skin flushing, angioneurotic edema and other adverse reactions. Immunoglobulin is contraindicated in patients who are allergic to immunoglobulin, and should be used with caution in allergic individuals. Immunoglobulin should not be injected during menstruation, pregnant women, extremely debilitated people. It is forbidden to use the drug in case of a change in the nature of the drug. During a cold, patients should be injected with immunoglobulin under the guidance of a physician’s consultation, and if they become unwell, they should consult a doctor in time, and must not use medication on their own.