What are the side effects of ofloxacin?

Many people who take ofloxacin do not experience any side effects. However, both serious and mild side effects can occur. Common mild side effects include: mild diarrhea, difficulty eating, stomach upset, vomiting or skin irritation, sunlight sensitivity, headaches and difficulty sleeping. Contact your doctor if these continue or become particularly severe or bothersome.

Contact your doctor without delay if you experience these more serious side effects:
  • convulsions
  • coughing
  • unconsciousness
  • breathing problems
  • difficulty sleeping
  • severe stomach pain or cramps
  • pain, swelling or inflammation of the tendons
  • excessive or bloody diarrhea or light colored stools
  • jaundice
  • decreased/increased urination or dark urine
  • confusion or appearance of objects that are not there
  • unusual thoughts and actions
  • anxiety
  • nightmares
  • any skin rash
  • high temperature, chills
  • headaches
  • weak muscles
  • trouble swallowing or hoarseness
  • excessive exhaustion, hunger or thirst
  • sudden pain or swelling near joints
  • fainting or vertigo
  • rapid heartbeat
  • odd or painful feelings in your extremities
  • abnormal bruising or bleeding
  • vaginal discomfort or discharge
Allergic reaction can also occur, marked by swelling, hives, and difficulty breathing. Call 911 for emergency medical help if this occurs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.