Doxycycline increases sensitivity to sunlight. Use of this medication for prolonged or repeated periods may result in a secondary infection (e.g., oral, bladder or vaginal yeast infection).

In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention. Symptoms of an allergic reaction include rash, itching, swelling, dizziness or trouble breathing.

Precautions:

Tell your doctor your medical history, especially of liver or kidney problems, any allergies, trouble swallowing or esophagus problems (e.g., hiatal hernia, GERD).

Doxycycline may make you more prone to sunburn.

Wear protective clothing and a sunscreen if needed.

This drug should not be used by children up to 8 years of age because its use may permanently discolor their teeth or cause other problems.

Caution is advised in older children also.

This drug is not recommended for use during pregnancy.

Consult your doctor before using this medication.

This drug is excreted into breast milk and has been shown to have undesirable effects on nursing infants.

Therefore, its use is not recommended while breast-feeding.

Consult your doctor before you breast-feed.

Generic Name: Doxycycline

Doxycycline Hyclate 100 mg Capsule - Prescription

Vibramycin 100 mg Capsule - Prescription

Periostat 20 mg Capsule - Prescription

Doxycycline Hyclate 50 mg Capsule - Prescription

Vibramycin 50 mg Capsule - Prescription

Vibramycin IV 100 mg Vial - Prescription

Doxycycline Hyclate 100 mg Vial - Prescription

uspi_vibramycin_vibra-tabs.pdf

To reduce the development of drug-resistant bacteria and maintain the effectiveness of Vibramycin® and other antibacterial drugs, Vibramycin should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
Results of animal studies indicate that tetracyclines cross the placenta and are found in fetal tissues.
The precise mechanism of action of the drug is not known.
Because tetracyclines have been shown to depress plasma prothrombin activity, patients who are on anticoagulant therapy may require downward adjustment of their anticoagulant dosage.

http://www.pfizer.com/download/uspi_vibramycin_vibra-tabs.pdf
Carcinogenesis, Mutagenesis, Impairment of Fertility Long-term studies in animals to evaluate carcinogenic potential of doxycycline have not been conducted. doxycycline, monohydrate.

Vibramycin_PI.pdf

To reduce the development of drug-resistant bacteria and maintain the effectiveness of Vibramycin® and other antibacterial drugs, Vibramycin should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
Results of animal studies indicate that tetracyclines cross the placenta and are found in fetal tissues.
The precise mechanism of action of the drug is not known.
Because tetracyclines have been shown to depress plasma prothrombin activity, patients who are on anticoagulant therapy may require downward adjustment of their anticoagulant dosage.

http://www.fda.gov/medwatch/SAFETY/2004/mar_PI/Vibramycin_PI.pdf
Carcinogenesis, Mutagenesis, Impairment of Fertility Long-term studies in animals to evaluate carcinogenic potential of doxycycline have not been conducted. doxycycline, resistant.