"March 9, 2011 -- The FDA has approved Benlysta, the first new lupus treatment in 50 years.
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Plaquenil Patient Information including If I Miss a Dose
In this Article
- What is hydroxychloroquine (Plaquenil)?
- What are the possible side effects of hydroxychloroquine (Plaquenil)?
- What is the most important information I should know about hydroxychloroquine (Plaquenil)?
- What should I discuss with my health care provider before taking hydroxychloroquine (Plaquenil)?
- How should I take hydroxychloroquine (Plaquenil)?
- What happens if I miss a dose (Plaquenil)?
- What happens if I overdose (Plaquenil)?
- What should I avoid while taking hydroxychloroquine (Plaquenil)?
- What other drugs will affect hydroxychloroquine (Plaquenil)?
- Where can I get more information?
What happens if I miss a dose (Plaquenil)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Plaquenil)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of hydroxychloroquine can be fatal, especially in children.
Treatment of a hydroxychloroquine overdose must be started quickly. You may be told to induce vomiting right away (at home, before transport to an emergency room). Ask the poison control center how to induce vomiting in the case of a hydroxychloroquine overdose.
Overdose symptoms may include headache, drowsiness, vision changes, slow heart rate, chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, seizure (convulsions), shallow breathing, or breathing that stops.
What should I avoid while taking hydroxychloroquine (Plaquenil)?
Avoid taking an antacid or Kaopectate (kaolin-pectin) within 4 hours before or after you take hydroxychloroquine. Some antacids can make it harder for your body to absorb hydroxychloroquine.
What other drugs will affect hydroxychloroquine (Plaquenil)?
Hydroxychloroquine can harm your liver. This effect is increased when you also use other medicines harmful to the liver. You may need dose adjustments or special tests if you have recently used:
- acetaminophen (Tylenol);
- an antibiotic, antifungal medicine, sulfa drug, or tuberculosis medicine;
- birth control pills or hormone replacement therapy;
- blood pressure medication;
- cancer medications;
- cholesterol-lowering medications such as Crestor, Lipitor, Pravachol, Simcor, Vytorin, Zocor;
- gout or arthritis medications (including gold injections);
- HIV/AIDS medications;
- medicines to treat psychiatric disorders;
- an NSAID such as Advil, Aleve, Arthrotec, Cataflam, Celebrex, Indocin, Motrin, Naprosyn, Treximet, Voltaren; or
- seizure medications.
This list is not complete and other drugs may interact with hydroxychloroquine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about hydroxychloroquine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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Additional Plaquenil Information
- Plaquenil Drug Interactions Center: hydroxychloroquine oral
- Plaquenil Side Effects Center
- Plaquenil Overview including Precautions
- Plaquenil FDA Approved Prescribing Information including Dosage
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