I have a white blood count of 12000, is this a problem?

I have a white blood count of 12000, is this a problem? The laboratory report indicates that the normal range for the white blood count is 11,000. Does this mean I suffer from some kind of illness?

Female
Age: 35
Medications: None

I have pain behind my left knee?

I have pain behind my left knee. I didn’t hit it, or had any specific accident. The pain just started to appear for no reason at all. It is a mild pain when I am sitting down, but it gets bad wehen I run and lift my foot off the ground. It gets especially bad when I cross my knee over my other leg. What can be the problem and how can I get it to feel better?

Male
Age:24
Medications:

I was prescribed Klavox 1g twice a day to treat ear infection?

Hi,
I was prescribed Klavox 1g twice a day to treat ear infection. After the second day of taking the ab, I started feeling discomfort in my stomach, gas, bloating and diarrhea. I consulted a Gastroenterologist who advised me to stop taking Klavox, and prescribed Flagyl 500ml three times a day. Now, the bowel movements are bearable, and I feel generally better. However, I am experiencing ear pain again. I don’t know what to do? Does that mean the ear infection is back in full force? I am so worried…

Age: 37
Female
Medications: Omeprazole 20, Dogmatil 50