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Summary
Chloroquine and hydroxychloroquine are common treatments for autoimmune diseases, but can cause serious side effects, particularly irreversible retinopathy. Exact dosage and regular eye exams are crucial for patient safety.
Area of Science:
- Rheumatology
- Ophthalmology
- Pharmacology
Context:
- Chloroquine and hydroxychloroquine are frequently prescribed for connective tissue diseases like rheumatoid arthritis and systemic lupus erythematosus.
- Numerous publications document a range of adverse effects associated with these drugs.
- While generally mild, some side effects can be severe and require careful monitoring.
Purpose:
- To review the spectrum of side effects associated with chloroquine and hydroxychloroquine therapy.
- To highlight the significant risk of ocular complications, including retinopathy.
- To emphasize the importance of precise dosing and regular ophthalmologic examinations.
Summary:
- Gastrointestinal issues and skin rashes are common but typically minor side effects.
- Rare but serious adverse events involve the hematopoietic and central nervous systems, and peripheral neuromyopathy.
- Fetal damage is infrequently reported, but severe ocular toxicity, specifically reversible keratopathy and often irreversible retinopathy, is a major concern.
Impact:
- This review underscores the critical need for vigilant patient monitoring during chloroquine and hydroxychloroquine treatment.
- It stresses the importance of strict adherence to prescribed dosages and the necessity of periodic ophthalmologic evaluations to prevent irreversible vision loss.
- The findings aim to improve patient safety and therapeutic outcomes for individuals with autoimmune conditions treated with these medications.