Thank you for posting your query on ATD.
I have gone through your query and understand your concern. You are having fever, nausea and tail bone pain. There can be many causes of such pain such as viral fever, local infection etc. it is advisable to visit your doctor as you need clinical examination and investigation. Analgesic such as ibuprofen and antipyretic such as paracetamol can be of use in symptomatic relief. Hope your query get answered.
Wishing you a good health.
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