Doxycycline is a generic drug prescribed for various bacterial infections, skin conditions, and malaria prevention. As with other drugs, doxycycline can cause side effects, such as decreased ...

For some people, doxycycline can cause an allergic reaction. In general, ... If you have mild symptoms of an allergic reaction, such as a mild rash, call your doctor right away.

Find patient medical information for Doxycycline on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings ...

DEAR DR. ROACH: About 45 years ago, I came down with a rash on my chest and stomach from taking ampicillin. I was told never to take penicillin again.

Here are 7 warning signs a skin rash is serious, according to experts. Some rashes from insect bites or an allergic reaction rash are more serious.