• Irreversible joint damage: Gout, if left untreated can actually cause permanent harm to your joints. This is the most serious of gout complications.
• Deposition of urate crystals under the skin: These form nodules, called tophi, and are typically present in the fingers, hands, feet, Achilles tendon along the back of your ankle. They tend become red, swollen and tender during acute attacks.
• Kidney stones: Uric acid gets deposited in the urinary tract causing formation of renal stones and reduced functioning of the kidneys.