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Marcela Lemos
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Recent Articles by Marcela Lemos

Ferritin Blood Test: Normal Levels, What Results Mean (High & Low)

Ferritin is a protein that stores iron in the body. A ferritin test helps check for high or low iron levels, anemia, inflammation or infection, and results can vary by age and sex.

Tests

MCH Blood Test: Normal Range, Low & High Results Explained

MCH blood test measures hemoglobin in red blood cells, with adult reference ranges of 27–33 pg. High or low MCH may help identify anemia linked to iron deficiency, vitamin B12 or folate deficiency, thyroid disorders, or alcohol use.

Tests

RDW Blood Test: What High & Low Results Mean (+ Normal Range)

Learn what a high or low RDW blood test result means, the normal range (11.5–14.5%), and which conditions cause abnormal levels. Reviewed by our medical team.

Diseases and Conditions

Meningoencephalitis: Symptoms, Causes & Treatment

Meningoencephalitis is inflammation of the brain and meninges that can be caused by viral, bacterial, fungal, or parasitic infections. Symptoms may include headache, fever, confusion, seizures, and changes in behavior or personality.

Diseases and Conditions

Thrombocytopenia: Symptoms, Causes & Treatment

Thrombocytopenia is a low platelet count that can cause bruising, bleeding gums, nosebleeds, and red or purple spots on the skin. Common causes include infections, medications, liver disease, pregnancy, autoimmune diseases, and cancer.

Diseases and Conditions

Cryptosporidium: Symptoms, Causes & Treatment

Cryptosporidium is a parasite that can cause diarrhea, stomach pain, nausea, vomiting, and dehydration. Infection spreads through contaminated food, water, pools, people, or animals, and treatment focuses on fluids, rest, and medication when prescribed.

Diseases and Conditions

Trichinosis: Symptoms, Causes & Treatment

Trichinosis is a parasitic infection from raw or undercooked pork or wild game that can cause digestive symptoms, muscle pain, fever, facial swelling, and complications without timely treatment.

Diseases and Conditions

Hypokalemia: Symptoms, Causes & Treatment

Hypokalemia is low potassium in the blood, which can cause muscle weakness, cramps, breathing difficulty, and heart rhythm changes. Common causes include vomiting, diarrhea, laxative use, and certain medications.

Diseases and Conditions

Cholera: Symptoms, Transmission & Treatment

Cholera is a bacterial infection that causes severe watery diarrhea, vomiting, and dehydration. It spreads through contaminated food or water and requires fast treatment with rehydration and, in some cases, antibiotics.

Diseases and Conditions

Mast Cells: Function, Tests & Related Conditions

Mast cells help the immune system respond to allergies, infections, inflammation, and toxins. Changes in mast cell levels may be linked to allergies, mastocytosis, mast cell activation syndrome, or parasitic and bacterial infections.

Tests

Red Blood Cells: Normal Range & What Results Mean

Red blood cells carry oxygen, help remove carbon dioxide, and support blood pH balance. High or low RBC levels may be linked to anemia, bleeding, nutrient deficiencies, kidney disease, or other conditions.

Tests

MCHC Blood Test: Reference Values & What Results Mean

The MCHC blood test measures hemoglobin concentration in red blood cells. High or low MCHC levels may be linked to anemia, thyroid changes, medication interactions, or excessive alcohol intake.

Tests

Reticulocyte Test: How It’s Done & What Results Mean

Reticulocyte testing measures young red blood cells to help evaluate bone marrow function and possible causes of anemia, including hemolytic anemia and iron deficiency anemia.

Diseases and Conditions

Adenovirus: Symptoms, Causes & Treatment

Adenovirus is a group of viruses that can cause respiratory, digestive, nervous system, or eye infections. It spreads through droplets, surfaces, or stool, and symptoms may include fever, cough, sore throat, diarrhea, or red eyes. Diagnosis and treatment depend on severity.

Tests

Blood Tests for Cancer: 13 Types & What They Show

Blood tests for cancer may check tumor markers like AFP, PSA, CA 125, and CEA, which can help investigate cancer and monitor treatment response, but results should be confirmed with imaging or other diagnostic tests.