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Nosebleeds
A nosebleed is blood loss from the tissue that lines your nose. It most often occurs in only one nostril,…
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Pelvic Inflammatory Disease
Pelvic inflammatory disease is an infection of female reproductive organs. It can make it hard to get pregnant and cause…
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High-Altitude Illness
High-altitude illness can occur when you travel to altitudes higher than 8,000 feet. It happens when your body doesn’t get…
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Infant Jaundice
Infant jaundice is common. It can make your baby’s skin, eyes, and mouth turn yellow. While it may look odd,…
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Blepharospasm
Blepharospasm is a rare condition that causes your eyelid to blink or twitch. You can’t control it. It’s caused by…
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Cat-Scratch Disease (Cat-Scratch Fever)
Cat-scratch disease is an infection you can get after a cat scratches, bites, or licks you. It is caused by…
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Barrett’s Esophagus
Barrett’s esophagus is a condition that affects your esophagus. It happens when acid from your stomach goes back up into…
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Asthma
Asthma is a chronic (long-term) disease of the lungs. It inflames and narrows the airways, making it harder to…
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Sjögren’s Syndrome
Sjögren’s syndrome is an autoimmune disease that causes dry mouth and dry eyes. It can also cause dryness in other…
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Restless Leg Syndrome
Restless legs syndrome is a condition in which your legs feel very uncomfortable when you’re sitting or lying down. It…
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Acne
Acne is a common skin condition. It causes bumps on the skin known as pimples to appear on the face…
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Head Lice
Head lice are small wingless insects that can get on your hair and scalp. Lice bites may cause constant scratching,…
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Hair Loss
It is normal to shed some hair each day as part of this cycle. However, some people may experience excessive…
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Cleft Lip and Cleft Palate
Cleft lip and cleft palate are birth defects that happen when a baby’s lip or mouth don’t form correctly early…
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Diaper Rash
Diaper rash is redness and rash on a baby’s bottom or genital area. It is a very common rash. Normally,…
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Keloids (Raised Scars)
Keloids are a type of raised scar. They occur where the skin has healed after an injury and can grow…
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Eosinophilic Esophagitis
Eosinophilic esophagitis is an inflammatory, allergic disease that occurs when certain white blood cells build up in your esophageal…
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Deep Vein Thrombosis
Deep vein thrombosis is a blood clot that occurs in your leg veins. It can break off and travel to…
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Cytomegalovirus
Cytomegalovirus (CMV) is a common virus that most people are exposed to as infants. It rarely causes symptoms, but sometimes…
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Chronic Fatigue Syndrome
Chronic fatigue syndrome is a disease that causes extreme fatigue that lasts for more than 6 months and interrupts daily…
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