A low-grade fever typically refers to a body temperature that is slightly elevated, usually between 99°F (37.2°C) and 100.9°F (38.3°C). There are many possible causes of low-grade fever, including:
- Infections: Common cold, flu, urinary tract infection, pneumonia, and sinusitis are some of the infections that can cause a low-grade fever.
- Autoimmune diseases: Certain autoimmune disorders such as lupus, rheumatoid arthritis, and inflammatory bowel disease can cause chronic low-grade fever.
- Medications: Certain medications, such as antibiotics, can cause low-grade fever as a side effect.
- Allergic reactions: Allergic reactions to foods, drugs, or other allergens can cause low-grade fever.
- Hormonal changes: Hormonal changes in women during menstruation, pregnancy, and menopause can cause low-grade fever.
- Cancer: Some types of cancer, such as leukemia and lymphoma, can cause low-grade fever.
- Stress: Emotional or physical stress can cause low-grade fever.
- Dehydration: Dehydration can cause a low-grade fever in some cases.
If you are experiencing a low-grade fever, it’s important to consult with a healthcare provider to determine the underlying cause and receive appropriate treatment.