What side effects may I notice from receiving Mefloquine Hydrochloride?

Side effects that you should report to your doctor or health care professional as soon as possible:

-anxious
-blurred vision, or change in vision
-confusion
-depressed mood
-dizziness
-fainting spells
-fever or chills
-hallucination, loss of contact with reality
-headaches, confusion, or other mental changes
-hearing problems
-joint or muscle aches
-loss of balance or coordination
-paranoid, feelings of mistrust
-redness, blistering, peeling or loosening of the skin, including inside the mouth
-restlessness
-ringing in the ears
-seizures
-skin rash, itching (there may be severe itching without a rash)
-trouble sleeping
-unusual behavior
-unusual changes in heart rate or other heart problems
-unusually weak or tired
-vomiting


Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-drowsiness
-hair loss
-insomnia
-loss of appetite
-mild diarrhea
-nausea
-stomach pain or upset

This list may not describe all possible side effects for Mefloquine Hydrochloride. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.