Fever, back pain and lack of energy are considered viral infections, bacterial infections, rheumatic fever and other causes.
1. Viral infections: When viral infections can cause fever, especially after catching a cold, you can have no energy and back pain, drink plenty of warm water and take some antiviral drugs such as ribavirin granules or cotrimoxazole tablets.
2. Bacterial infections: for example, urinary tract infection can cause back pain, fever, lack of energy, through the urine routine can be clearly diagnosed, the application of sensitive antibiotics, such as cephalosporin antibiotics, drink more water.
3. Rheumatic fever: when rheumatoid arthritis acute stage can appear fever, weakness and back pain. You can take oral NSAIDs, such as nimesulide dispersible tablets or ibuprofen extended-release capsules.
Therefore, fever, back pain and weakness require prompt medical attention and further treatment under the guidance of a doctor. The above medicines need to be used under the supervision of a doctor.