If you have vomiting and diarrhea after having a cold, it may be a gastrointestinal cold. You can take vitamin C and vitamin B6 to stop vomiting. For diarrhea, you can take Piperazine or Norfloxacin capsules. If the cold is accompanied by fever, headache and muscle aches, you can take paracetamol, and you can also take a variety of medicines to relieve the cold, like compound aspirin. If symptoms such as nasal congestion and runny nose are more obvious, take medicines such as rhinitis and orifice granules and paracetamol. If you have cough and phlegm, you can take compound licorice tablets to relieve cough and phlegm. Pay more attention to rest, drink more water and do not eat spicy and stimulating food. If it is more serious, you can take infusion treatment. For viral colds, you can take oral antiviral medications, such as Banlangen Punch and Aciclovir.