Hydroxychloroquine Side Effects
What should I watch for?
Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.
Avoid taking antacids within 4 hours of taking this medicine. It is best to separate these medicines by at least 4 hours.
Tell your doctor or health care professional right away if you have any change in your eyesight.
Your vision and blood may be tested before and during use of this medicine.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
Common and Rare Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Incidence not known
Blistering, peeling, loosening of the skin
blurred vision or other vision changes
chest discomfort, pain, or tightness
cough or hoarseness
defective color vision
difficulty seeing at night
dizziness or fainting
fast, pounding, uneven heartbeat
feeling that others are watching you or controlling your behavior
feeling that others can hear your thoughts
feeling, seeing, or hearing things that are not there
fever with or without chills
general feeling of tiredness or weakness
inability to move the eyes
increased blinking or spasms of the eyelid
joint or muscle pain
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, and sex organs
loss of hearing
lower back or side pain
painful or difficult urination
red irritated eyes
red skin lesions, often with a purple center
severe mood or mental changes
sore throat sores, ulcers, or white spots on the lips or in the mouth
sticking out of the tongue
swelling of the feet or lower legs
swollen or painful glands
trouble with breathing, speaking, or swallowing
uncontrolled twisting movements of the neck, trunk, arms, or legs
unusual bleeding or bruising
unusual facial expressions
unusual tiredness or weakness
yellow eyes or skin
Symptoms of overdose
loss of appetite
no pulse or blood pressure
numbness or tingling in the hands, feet, or lips
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not known
Continuing ringing or buzzing or other unexplained noise in the ears
feeling of constant movement of self or surroundings
sensation of spinning
shakiness and unsteady walk
uncontrolled eye movements
unsteadiness, trembling, or other problems with muscle control or coordination
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.