When should I see a doctor if I have a cold?

You should seek medical advice if: your child is under three months old and has a temperature of 38C (100.4F) or above, or is between three and six months old and has a temperature of 39C (102.2F) or above their symptoms last more than three weeks they seem to be getting worse rather than better they have chest pain or are coughing up bloodstained phlegm this could be a sign of a bacterial chest infection that needs treatment with antibiotics they're finding it difficult to breathe seek medical help immediately from your GP surgery or local hospital they have, or seem to have, severe earache (babies with earache often rub their ears and seem irritable) as they could have an ear infection that may need antibiotic treatment they have a persistent or severely sore throat they may have bacterial tonsillitis, which needs antibiotic treatment they develop any other worrying symptoms
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