Common doxycycline side effects include diarrhea, skin reaction to sunlight, or unexplained rash. While these side effects may require no medical attention, if you experience more serious problems, such as watery diarrhea or fever, stop taking the antibiotic and notify your healthcare provider immediately. Rash (Definition) A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, itching, or bug bites. Amoxicillin is an antibiotic often used for the treatment of a number of bacterial infections. These include middle ear infection, strep throat, pneumonia, skin infections, and urinary tract infections among others. It is taken by mouth, or less commonly by injection. What should I discuss with my healthcare provider before taking doxycycline? You should not take this medicine if you are allergic to doxycycline or other tetracycline antibiotics such as demeclocycline, minocycline, tetracycline, or tigecycline. Oracea (doxycycline) is used to treat blemishes, bumps, and acne-like lesions caused by rosacea in adults. It works by reducing skin inflammation caused by rosacea. An allergic reaction which left me in the possible side effects occur. Uses, and photoallergic reactions doxycycline, and microorganisms. I have significantly bet-. I had an allergic reaction to the antiobiotic Cefdinir after taking it for 8 days, two 300mg capsules twice per day. On the 8th day, starting itching on my hands, feet, and had a rash on my back. PATIENT INFORMATION LEAFLET DOXYCYCLINE 100mg CAPSULES Please read this leaflet carefully before you start to take this medicine. • If you have further questions, please ask your Doxycycline is an antibiotic. It's used to treat infections such as chest infections, skin infections, rosacea, dental infections and sexually transmitted infections (STIs), as well as a lot of other rare infections. Doxycycline is a tetracycline antibiotic that fights bacteria in the body. Doxycycline is used to treat many different bacterial infections, such as acne, urinary tract infections, intestinal infections, respiratory infections, eye infections, gonorrhea, chlamydia, syphilis, periodontitis (gum disease), and others.