Hydroxychloroquine

What If I Take an Overdose?

People who take an overdose may experience effects such as (but not limited to):
 
  • Headaches
  • Drowsiness
  • Vision changes
  • Seizures
  • Cardiac arrest
  • An irregular heart rhythm (arrhythmia)
  • Loss of life.
     
If you happen to overdose on hydroxychloroquine, seek medical attention immediately.
 
(Click Plaquenil Overdose for more information.)
 

What Should I Do If I Miss a Dose?

If you do not take your hydroxychloroquine as scheduled, take your missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose. Try not to miss doses, as this may significantly decrease the effectiveness of the medication (especially when used for malaria). If you are not sure what to do if you miss a dose, contact your healthcare provider.
 

Generic Availability

Currently, this medication is available in generic form (see Generic Plaquenil).
 

Who Makes It?

Brand-name hydroxychloroquine is manufactured by sanofi-aventis. Several different manufacturers make a generic version of hydroxychloroquine.
 

Strengths

This medication is available in one strength -- hydroxychloroquine 200 mg tablets.
 

Storage Methods

This medication should be stored at room temperature, away from moisture and heat. It should be stored in an airtight container. Keep this and all other medications out of the reach of children. Even a relatively small accidental overdose of hydroxychloroquine can be lethal in children.
 
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Hydroxychloroquine Medication

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