My two-year-old daughter has had catarrh for months and finds it hard to breathe. What should I do?

I have been treated for genital warts around my cervix. What is the type of condom to use to protect my partner, a female condom or a regular condom?

Is there truth to the idea that after a person has been on antibiotics for 3 days, they are no longer contagious? Or is that an old myth?

When you’ve have a cold or the flu, how do you know when it's safe to continue a routine exercise program?

How soon after an injury should you have a tetanus shot?

Besides a bite, is there any other way for a human to contract rabies?

I just had my first bladder infection. I don’t know why. Is it possible to contract a bladder infection from drinking unsanitary water?

I recently visited a friend in the hospital. He had internal bleeding. He was put in a private room called “isolation.” I asked the nurse if he had an infection. She said no, he is “colonized with MRSA.” What does that mean?

What does it mean if a person has encephalitis? What are the symptoms?

For how long is someone with a common cold contagious?

How does a cold virus spread from person to person?

Is it possible to get HPV if my partner and I have been only been sexually active with each other?

have been diagnosed 4 times with pneumonia in my left lung only. Why would this happen? What kinds of tests might I need to help find out the reason?

Occasionally I read about an outbreak of listeria from some food source. Most recently it was cantaloupe. Where does listeria come from and who carries it? Is it naturally occurring? Is infection with listeria common?

My daughter is 6 months pregnant. She spent some time with a person whose wife just recently got shingles. Is my daughter at risk?

I have genital herpes. I rarely have an outbreak -- maybe once a year or less, but of course I have no idea when an outbreak will happen. Should I be on Valtrex to prevent transmission of the disease?

I got back from a vacation in Jamaica, and it looks like I have bites from sand fleas. They have puss pockets in the middle of a red, itchy area. And I’m itching terribly. Do they go away — and if so — how long? And how do I treat them and make sure...

How often should I get a pneumonia vaccination?

I get sinus infections all the time. What can I do to get rid of them for good?

My tongue is red and tingly. What could this mean?

Can you get scarlet fever more than once?

How would you get scarring in your kidney?

Is mononucleosis contagious? My 19-year-old daughter has been diagnosed with mono. Should she stay away from her 86-year-old grandparents when they visit?

What is inflammation of the rib cage lining called? Is it a serious condition?

Are there times when an otherwise healthy person should not get a flu shot? I have shingles. Is it okay for me to get a flu shot now?

What is common variable immune deficiency? What type of specialist has the most expertise with this condition?