Latest questions on Doctor Says - Page 3

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Doctor Says
Recent Questions

Recent Questions

What causes a bulging fontanelle?

A bulging fontanelle in a baby may indicate increased pressure inside the skull from conditions such as meningitis, hydrocephalus, encephalitis, bleeding, or head injury. A raised soft spot can also occur temporarily during crying, vomiting, or lying down, but persistent bulging requires urgent medical evaluation.

Nutrition

Is xylitol bad for you?

Is xylitol bad for you? Xylitol is generally considered safe in moderation, but larger amounts may cause bloating, stomach discomfort, diarrhea, or weight gain. Emerging research also looks at possible effects on the gut microbiome and cardiovascular health, although more studies are needed.

Diseases and Conditions

How long does a miscarriage last?

A miscarriage may last from a few hours to several weeks, depending on the type and stage of pregnancy. Learn how long a miscarriage lasts, what bleeding and cramping may be expected, and when medical care may be needed.

Natural Treatments

Does CBD help with social anxiety?

CBD may help with social anxiety in some situations, but evidence is limited and mixed. Studies suggest possible short-term benefits, while research has not confirmed CBD as an established treatment for social anxiety disorder.

Cancer

Can skin cancer kill you?

Skin cancer can be fatal, especially when melanoma or other aggressive types spread. Learn how cancer type, stage, early detection and modern treatment affect the risk of death.

Diseases and Conditions

What causes bed bugs?

Bed bugs are usually brought into homes on luggage, clothing, bedding, or furniture. Learn what causes bed bugs, how they spread between rooms or apartments, where they hide, and why infestations can be difficult to eliminate.

Oral Health

What does a cavity look like?

A cavity may appear as a white, brown, or black spot or a visible hole in a tooth. Learn what does a cavity look like, how early decay can appear, and why a dental exam is needed to confirm it.

Food

Can you drink too much water?

Drinking too much water can lower sodium levels and cause water intoxication. Learn how much water may be too much, common symptoms, possible complications, and when urgent medical care is needed.

Well-Being

Why does sneezing feel good?

Sneezing can feel satisfying because it quickly relieves nasal irritation and helps clear mucus, allergens, or other irritants. Learn why sneezing feels good, how the sneeze reflex works, and why suppressing a sneeze may be harmful.

Fitness

Why does stretching feel good?

Stretching feels good because it can reduce stiffness, improve stretch tolerance, and change how the nervous system processes discomfort. Learn why stretching can feel relaxing and why it should not be painful.

Diseases and Conditions

Why does pooping feel good?

Pooping can feel good because a bowel movement relieves rectal pressure and urgency. Learn why does pooping feel good, how the pelvic floor and nerves coordinate evacuation, and what can affect the sense of relief.

Food

Does coffee cause inflammation?

Coffee does not appear to cause inflammation in most people. Research on whether coffee causes inflammation shows mixed findings, with some studies linking coffee to lower inflammatory markers.

Symptoms

Why is poop brown?

Poop is brown because bile pigments, including bilirubin, are changed by gut bacteria into substances such as stercobilin. Learn why stool is normally brown and when pale, clay-colored, black or bloody stool may need medical evaluation.

Sleep

Why do we dream?

Scientists still do not fully understand why we dream, but research suggests dreams may be linked to memory processing, emotions and normal brain activity during sleep, including both REM and non-REM sleep.

Healthy Pregnancy

What does lower stomach pain during pregnancy 3rd trimester mean?

Lower stomach pain during pregnancy in the 3rd trimester may be linked to pelvic pressure, contractions, urinary infections, or urgent pregnancy complications. Learn when symptoms need medical assessment.

Food

How does water help digestion?

Water supports digestion by helping move food through the digestive tract, keeping stool soft, and reducing constipation. Learn how adequate hydration supports bowel function and why extra water may not help when fluid intake is already sufficient.

Diseases and Conditions

How fast does a blood clot travel from the leg to the lungs?

A blood clot may travel from the leg to the lungs within seconds to minutes after breaking loose, although it can remain in the leg for days or weeks. Learn about warning signs, timing, and when emergency care is needed.

Medications

Is Prozac a controlled substance?

Prozac is a prescription antidepressant, not a controlled substance under US federal law. Learn why it is not DEA-scheduled, how it differs from controlled drugs, and why medical supervision is still important.

Medications

Does fluoxetine cause weight gain?

Fluoxetine usually does not cause significant weight gain and may lead to slight weight loss early in treatment. Learn how long-term use, appetite recovery, dose, and individual factors may affect weight.

Yeast Infection

How often can you take fluconazole for yeast infection?

Fluconazole is often taken as a single 150 mg dose for an uncomplicated yeast infection. Learn how often you can take fluconazole for yeast infection, when repeated doses may be prescribed, and why medical guidance matters.