High uric acid is usually associated with joint pain, especially in the toes. But the body doesn’t always send such clear signals. Sometimes, it whispers through symptoms that look like something else entirely. These signs are passed off as fatigue, food allergies, or minor infections, which makes them easy to ignore until the problem gets worse. Here are the lesser-known symptoms of high uric acid that tend to wear a mask.

Itchy, red skin rashes that look like eczema or allergies
It can look like just a random skin allergy, dry skin, or even a heat rash. Uric acid crystals can sometimes build up under the skin, especially when the levels stay high for a long time. This can lead to tiny, itchy red patches or raised bumps. In medical terms, it’s called tophi. People often apply soothing creams, thinking it's just dryness or allergy, but the real issue lies deeper.
Mild fever and body aches that feel like a viral infection
People might misunderstand it as a mild viral fever, post-exercise soreness, or just weather-related fatigue. During a gout flare, which happens due to high uric acid, the immune system treats uric acid crystals like invaders. The result? Inflammation may trigger low-grade fever and body aches. It’s not unusual for this to be misdiagnosed as a minor flu, especially if joint pain isn’t obvious.

Stomach discomfort that mimics acidity or indigestion
It might seem like overeating, poor digestion, or a heavy meal. Uric acid is a byproduct of purine breakdown, which comes from foods like red meat, seafood, and alcohol. When the kidneys can't flush it out properly, even the stomach may feel the impact. Bloating, mild nausea, or pressure in the upper abdomen may appear, not always linked to food, but to how the body is processing it.
Tingling or numbness in the feet that resembles a nerve issue
It might indicate a vitamin B12 deficiency, diabetic neuropathy, or a pinched nerve. Uric acid crystals can irritate the nerves around joints, especially in the feet. This sometimes leads to tingling, numbness, or burning sensations, mostly at night or after long hours of inactivity. It’s easy to chalk this up to a nerve problem when, in reality, the uric acid is silently at play.

Mood swings and brain fog that feel like burnout
It might look like signs of stress, lack of sleep, or mental exhaustion. There’s growing evidence that elevated uric acid levels may influence oxidative stress in the brain. While still being studied, some experts believe this could explain moments of confusion, low mood, or forgetfulness in people with chronically high uric acid. It’s not just a physical condition — it can influence mental clarity too.