This sounds like an illness called glandular fever, but it is extremely important to make sure that she does not have meningitis.I cannot imagine why with symptoms of a stiff neck she was not tested for meningitis already. You should take your daughter to an emergency after hours clinic in the nearest big town or city with a good hospital. Please take her there now even if you have to drive her there tonight.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.