G Alta Causas — Inmunoglobulina

"You're older than you were yesterday, Arthur, but that's not a diagnosis." She sat down. "Your immune system, however, is busy. Your immunoglobulin G is high. It's the antibody that remembers every infection you've ever had. It's the historian of your body. And right now, it's writing a very long, very detailed history."

The most common reason. An indolent abscess in a tooth, a silent sinus infection, a lingering tick-borne illness like Bartonella. She ordered a battery of PCR tests and a dental panorex. Clean. Clean. Clean. inmunoglobulina g alta causas

"Not in it," he corrected gently. "Near it. I was mapping plant biodiversity for a university in the Mekong Delta. We lived in the jungle for months at a time." "You're older than you were yesterday, Arthur, but

She ordered a stool PCR for Strongyloides stercoralis , the roundworm that can persist for decades, burrowing in the intestinal mucosa, causing a low-grade, lifelong immune activation that pumps out IgG. It explained the fatigue, the joint pain, the dry eyes—all secondary to an immune system perpetually revved up by a silent stowaway. It's the antibody that remembers every infection you've

"What did you eat? Drink?"

Her patient was a man named Arthur, a retired botanist of 67 years. His chart was a short, frustrating story: Fatigue. Mild joint pain. A strange, persistent dryness in his eyes. Every standard test—rheumatoid factor, ANA, thyroid panel—had come back clean. His PCP had called it "subclinical aches and pains of aging."

She walked into Arthur's room holding a single prescription. "Ivermectin," she said, handing it to him. "One dose. Then another in two weeks."