sensible next step.
4. Warmth or Redness Around a Joint
Inflammation can make a joint feel warm to the touch or look red. NIAMS lists redness, heat, swelling, and pain among the common arthritis symptoms. Rheumatoid arthritis can also cause warmth and tenderness around affected joints. But here is an important caution: a joint that suddenly becomes very painful, hot, red, and swollen should never be self-diagnosed as ordinary arthritis. Gout can cause sudden severe inflammation, but a joint infection can look similar and may need urgent medical care.
