Doctor Guide Online

Yes, allergies can cause stomach pain, often through pollen-food allergy syndrome (PFAS) where raw fruits trigger digestive upset in people with hay.

Yes, allergies can cause significant fatigue — the immune system burns extra energy responding to allergens.

Yes, allergies can cause eyes to crust shut, usually when the stringy mucus from allergic conjunctivitis dries and hardens overnight.

No, standard Aleve (naproxen sodium) is not indicated for allergy symptoms; it targets pain and inflammation, not histamine.

AFib and sleep apnea share a two-way relationship: sleep apnea raises the risk of atrial fibrillation, and AFib can worsen sleep-disordered breathing.

Yes, adults can develop Osgood-Schlatter disease, though it’s most common in teens; about 10% of adolescent cases persist into adulthood.

Yes, law enforcement and health authorities have documented vapes laced with substances like fentanyl, THC, and nitazenes, often sold informally.

Yes, a UTI can cause a headache, typically when the infection reaches the kidneys (pyelonephritis) or triggers fever and dehydration.

Yes, a stomach virus can cause dizziness, typically from dehydration due to fluid loss from vomiting and diarrhea.

Yes, a pulled hamstring can cause knee pain — usually behind the knee — because the hamstring tendons cross the knee joint and attach to the upper.