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:
- diarrhea that is watery or bloody;
- seizure (convulsions);
- confusion, hallucinations, unusual thoughts or behavior;
- dizziness, fainting, fast or pounding heartbeat;
- sudden pain or swelling near your joints (especially in your arm or ankle);
- easy bruising or bleeding;
- urinating less than usual or not at all;
- numbness, burning, pain, or tingly feeling in your hands or feet;
- pale or yellowed skin, dark colored urine, fever, weakness;
- fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or
- jaundice (yellowing of the skin or eyes).
Less serious Levaquin side effects may include:
- nausea, vomiting, stomach pain, constipation;
- feeling restless or anxious;
- headache, dizziness;
- muscle pain;
- sleep problems (insomnia), or nightmares;
- vaginal itching or discharge; or
- mild skin itching.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. Contact a lawyer if you have serious side effects.