What side effects may I notice from receiving Tetracycline?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-dark urine
-difficulty breathing
-fever
-pain on swallowing
-rash, fever, and swollen lymph nodes
-rectal or genital irritation
-tooth discoloration
-unusually weak or tired
-white patches or sores in the mouth
-yellowing eyes, skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-black tongue
-diarrhea
-headache
-loss of appetite
-nausea, vomiting

This list may not describe all possible side effects for Tetracycline. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.