tendon pain or swelling
* Burning or numbness
* Severe muscle weakness
* Significant joint pain
* Severe anxiety or confusion
* Major blood-sugar changes
* New palpitations
Depending on the reaction and the infection being treated, a clinician may decide that treatment should be changed.
Do not simply stop an antibiotic and leave a serious infection untreated without medical guidance unless emergency instructions specifically tell you to do so.
## Who May Need Extra Caution?
Additional caution may be appropriate for:
* Older adults
* People taking corticosteroids
* People with kidney impairment
* People with known heart-rhythm problems
* People
