They found he had some mud fever which had got a bit injected (felt terrible for not noticing sooner!) and thought he may have an abscess, which would explain the extreme lameness, as just the day before he was out competing at BD! [horseandhound.co.uk]

Case report A 67-year-old man without previous medical history was referred to our intensive care unit because of fever and painful swollen left thigh resulting in complete disability. [link.springer.com]

Some may have a fever, chills, rapid heart rate, headache, low blood pressure, and confusion, which usually indicates a severe infection. [merckmanuals.com]

Fever A high temperature, also known as a fever, is when someone's body temperature goes above the normal 37 C (98.6 F). [your.md]

Call your doctor if: Any area of your child's skin becomes red, warm, and painful — with or without fever and chills. [kidshealth.org]

There is generally no systemic upset or malaise. [independentnurse.co.uk]

Additional symptoms may include influenza-like symptoms with a fever, chills, tiredness, sore muscles and an overall feeling of malaise or body-ache. Some people also report nausea, vomiting, stiff joints, and hair loss around the infection. [advancedtissue.com]

Malaise, chills and high fever (flu-like symptoms) often precede any skin lesion. Vomiting can occur. Within 48 hours there is a sudden and rapid onset of skin infection with pruritus, burning and tenderness. [patient.info]

Fever and a general sick feeling (malaise) often accompany cellulitis. Severe infections can cause low blood pressure if bacteria get into the bloodstream. [drugs.com]

Sepsis is recognised by fever, malaise, loss of appetite, nausea, lethargy, headache, aching muscles and joints. [dermnetnz.org]

“It’s easy to make that mistake, because you have a red, hot leg that’s painful, and the patient is having difficulty walking,” Dr. Shinkai said at the UCSF Annual Advances in Internal Medicine meeting. [mdedge.com]

[…] adenocarcinoma) Envenomation by puncture with spines of stonefish (in the South Pacific) Inflammatory carcinoma of the breast or other cutaneous malignancy Neutrophilic eccrine hidradenitis “Seal finger” secondary to seal bites (in aquarium workers and veterinarians [emedicine.medscape.com]

This is usually done only in extreme cases since aspirations may return inconclusive results. [verywell.com]

Right knee joint aspiration was done and synovial fluid report was suggestive of septic arthritis, with Klebsiella organism on culture. [casereports.in]

There is often a raised CRP level but a normal CRP level does not rule out an infection. [ 2 ] Fine-needle aspiration from the leading edge of the lesion may assist in diagnosis. [patient.info]

The patient reported difficulty in walking and increased left hip pain during the previous 3 weeks. No improvement was achieved after 1-week treatment with nonsteroidal anti-inflammatory agents. There... [link.springer.com]