Read the side effects of Doxycycline as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Gastrointestinal - Loss of appetite, nausea, vomiting, diarrhea, tongue inflammation and difficulty in swallowing.
Skin - Rash and photosensitivity.
Genitourinary - Rise in Blood Urea Nitrogen.
Hypersensitivity - Hives, swelling, shock and redness of the skin.
Blood - Anemia, eosinophilia, decrease in white blood cells and platelets.
Miscellaneous - Bulging fontanels in infants and stroke.
Other Precautions : * Avoid excess dosage.