After using levaquin, (levofloxacin) my achilles tendon and knees have started paining suddenly. i have minor psoriasis; i want to rule out psoriatic arthritis. i don't have any swelling and my nails are healthy. what should i do?

Tendon tear: The quinolone class of antibiotic (of which Levaquin (levofloxacin) is one) has been reported to have caused weakened tendon and even achilles tear. Avoid doing anything which may strain your knees or ankles. Stop the Levaquin (levofloxacin) immediately. Call your doctor re. Management. You don't ever want to end up with an achilles tear.

Rheumatologist eval: Psoriasis is associated with joint inflammation and tendon problems. Levaquin (levofloxacin) is associated with tendonopathy particularly of the achilles tendon but other tendons can be involved including the knee but not classically. Rheumatologist specilize in the diagnosis and treatment of the about aided at time by orthopedic surgeons if damage is severe. Diagnosis based on history, labs and clinical judge.

Arthritis: Psoriatic arthritis is a an inflammatory arthritis affecting multiple joints including sacroiliac joints and spine .It is a clinical diagnosis as thee are no characteristic blood tests to confirm it . Usually inflammatory markers like ESR and CRP are elevated indicating severity of disease and help monitor treatment response . See a rheumatologist fir further evaluation.

This : Class of antibiotics have shown that they can rupture tendons. Discuss with your dr asap about changing medication.