That's a really important question, and it's great that you're thinking carefully about this before taking anything new.
Hydroxychloroquine (HCQ) can affect heart rhythm — specifically something called QT prolongation, which means the heart's electrical system takes longer than normal to reset between beats. This can Show Full Answer
That's a really important question, and it's great that you're thinking carefully about this before taking anything new.
Hydroxychloroquine (HCQ) can affect heart rhythm — specifically something called QT prolongation, which means the heart's electrical system takes longer than normal to reset between beats. This can potentially lead to an abnormal or rapid heartbeat.
For someone with a mechanical aortic valve, this is especially worth discussing with your cardiologist and rheumatologist before starting or continuing HCQ. Key concerns include:
- The heart rhythm risk from HCQ may be more significant with an existing heart condition
- Mechanical valves often require blood thinners like warfarin, which could interact with other medications in your treatment plan
- Your doctors will need to weigh the benefits of HCQ for managing lupus against any cardiac risks specific to your situation The good news is that HCQ is a cornerstone treatment for lupus and has real benefits — including reducing flares and organ damage. The decision just needs to be made carefully with your medical team, who can review your full heart history and current medications together.
Please don't start, stop, or adjust HCQ without speaking to your doctor first.
7 days ago
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