Medications and MG – Drugs To Use With Caution
Understanding Drug Sensitivities in Myasthenia Gravis
Some medications can worsen MG symptoms or trigger a myasthenic crisis. It's crucial that healthcare providers are aware of these risks to ensure safe and effective treatment plans. The following resources offer guidance on drugs that should be used with caution or avoided entirely for patients living with MG.
Below you’ll find a detailed table outlining high-risk medications, common interactions, and clinical recommendations to support informed decision-making in MG care.
⚠️ Important Information for Prescribers and Patients
The following table includes a partial list of medications that may worsen Myasthenia Gravis (MG) symptoms. It is intended as a guide to support informed treatment decisions between patients and their healthcare providers.
Please note:
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Individual responses vary. The medications listed can be used in MG patients when clinically appropriate and with careful monitoring.
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Presence on this list does not mean a drug is strictly contraindicated.
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Absence from this list does not guarantee a drug is safe. Always consult a specialist familiar with MG when prescribing new medications.
Additional Resources
For a more detailed list and professional guidance, visit the MGFA’s Resources for Professionals page.
📄 Prefer a printable version?
Download the MAA Trifold: Drugs That May Worsen MG Symptoms (PDF)
This easy-reference guide is designed for both patients and healthcare providers.
Know Your Type of MG
Do You Know What Type of Myasthenia You Have?
Understanding your MG subtype helps guide treatment decisions and ensures you receive the care that’s right for you. Use this printable checklist to start a conversation with your neurologist or specialist.
Know Your MG Subtype
Understanding the type of Myasthenia Gravis you have is an important step in managing your condition. Whether it’s AChR positive, MuSK, LRP4, seronegative, ocular-only, generalised MG, or Congenital Myasthenia Syndrome (CMS), your specific subtype may influence which treatments are most effective.
Use this downloadable checklist to confirm your diagnosis and discuss it with your specialist. Staying informed helps you play an active role in your care.
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