"The U.S. Food and Drug Administration today allowed marketing in the U.S. of the first direct blood test for detection of five yeast pathogens that cause bloodstream infections: Candida albicans and/or Candida tropicalis, Candida parapsilosis, Ca"...
(doxycycline hyclate) Delayed-Release Tablets, USP, 75 mg, 100 mg and 150 mg for Oral use.
DORYX (Doxycycline Hyclate Delayed-Release Tablets, USP), for oral administration, contain specially coated pellets of doxycycline hyclate, a broad-spectrum antibiotic synthetically derived from oxytetracycline, in a delayed-release formulation for oral administration.
The structural formula for doxycycline hyclate is:
with a molecular formula of C22H24N2O8,
HCl, ½ C2H
What are the possible side effects of doxycycline?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
- severe headache, dizziness, blurred vision;
- fever, chills, body aches, flu symptoms, swollen glands, rash or itching, joint pain, or general ill feeling;
- urinating less than usual or not at all;
- diarrhea that is watery or bloody
- pale or yellowed skin, dark colored urine, fever, confusion or weakness;
- severe pain in...
What are the precautions when taking doxycycline hyclate (Doryx)?
See also Side Effects section.
Before taking doxycycline, tell your doctor or pharmacist if you are allergic to it; or to other tetracyclines (such as minocycline); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: trouble swallowing, esophagus problems (such as hiatal hernia or reflux/heartburn).
Before having surgery, tell your doctor or dentist that you are taking this medication.
This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective...
Last reviewed on RxList: 4/17/2012
This monograph has been modified to include the generic and brand name in many instances.
Additional Doryx Information
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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