###Human: Is it normal to have cold sweats and high temperature after a flu injection? ###Assistant: Hello. Usually, the flu vaccine is very safe and no adverse effects occur in most of the patients. But unfortunately, your symptoms suggest side effects of the flu shot. It can be managed according to a predominant presentation. You can be prescribed Ibuprofen for pain and fever relief. If rash or congestion associated, then decongestant can be prescribed. Avoid the intake of excess spicy foods. Drink lots of water and electrolyte powder to maintain hydration and electrolytes balance. You should consult your physician once for examination.