Severe. These medicines may interact and cause very harmful effects and are usually not taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
When these two medicines are taken together, your body may not process ergotamine or ergotamine derivatives properly.
What might happen:
Your blood levels of ergotamine or ergotamine derivative may increase and cause toxic effects.
What you should do about this interaction:
Contact your healthcare professional (e.g. doctor or pharmacist) right away about using these medicines together. Your doctor may not want you to take your ergotamine derivative while you are taking your antibiotic.If you experience chest pain; change in heartbeat; numbness and tingling of hands, feet, or face; pain in arms, legs, or lower back; itching; or other symptoms while taking both of these medicines, contact your doctor.Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this drug interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
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