- Fever
- Chest pain
- Blood in mucus
- Significant shortness of breath
These symptoms may require medical evaluation.
Digestive Symptoms
Many infections affect the digestive system.
Common symptoms include:
- Nausea
- Vomiting
- Diarrhea
- Stomach cramps
- Loss of appetite
Foodborne illnesses, viral infections, and certain bacterial infections often produce these symptoms.
Most cases improve with hydration and rest, but severe dehydration can become dangerous.
Medical attention may be necessary if symptoms persist or worsen.
Frequent Urination or Burning Sensations
Urinary tract infections (UTIs) are among the most common infections.
Symptoms may include:
- Frequent urge to urinate
- Burning during urination
- Cloudy urine
- Strong-smelling urine
- Pelvic discomfort
UTIs are generally treatable but can lead to complications if ignored.
Prompt treatment often prevents the infection from spreading to the kidneys.
Swollen Lymph Nodes
Lymph nodes are an important part of the immune system.
When the body detects an infection, lymph nodes may enlarge as they help filter harmful organisms.
Common locations include:
- Neck
- Underarms
- Groin
Swollen lymph nodes often accompany infections affecting nearby areas.
For example, a throat infection may cause swelling in the neck.
Skin Changes That Should Not Be Ignored
The skin often provides visible clues about underlying health issues.
Potential infection-related skin symptoms include: