It's really important to drink a lot of water and to avoid caffeine when you're on Cipro. Tendinitis is a common side effect of the drug. Drinking a lot of water and staying away from caffeine should help all of your symptoms. The symptoms will probably last until your body returns to normal, whatever that may be for you.
Both Cipro and Levaquin are drugs of a class known as quinolones. Of the two Cipro has the least side effects. The sore muscles may last for weeks or months or you may feel better in a few days. With that class of drugs there are ocasional reports of permanent tendon damage. This does not mean they should not be used. It is a matter of risk and benefit. lk to your physician and make him aware of the problem and file a dug-side effects form with the FDA, according to instructions on their website.