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Drug Interaction Report

13 potential interactions and/or warnings found for the following 2 drugs:

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Interactions between your drugs

Major

PHENobarbital amLODIPine

Applies to: Spastrin (belladonna / ergotamine / phenobarbital), Prestalia (amlodipine / perindopril)

PHENobarbital may significantly reduce the blood levels of amLODIPine, which may make the medication less effective in treating your condition. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

ergotamine PHENobarbital

Applies to: Spastrin (belladonna / ergotamine / phenobarbital), Spastrin (belladonna / ergotamine / phenobarbital)

PHENobarbital may reduce the blood levels and effects of ergotamine. Contact your doctor if your symptoms worsen or your condition changes during treatment with these medications. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

ergotamine amLODIPine

Applies to: Spastrin (belladonna / ergotamine / phenobarbital), Prestalia (amlodipine / perindopril)

AmLODIPine may increase the blood levels and effects of ergotamine, which in some cases can lead to excessive narrowing of blood vessels in the body. This can reduce blood flow to vital organs and increase the risk of rare but serious side effects such as high blood pressure, heart attack, stroke, and gangrene (death of tissues, usually in the arm or leg, that may require surgical amputation). Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. You should seek immediate medical attention if you experience severe abdominal pain, nausea, vomiting, numbness or tingling, muscle pain or weakness, blue or purple discoloration of fingers or toes, pale or cold skin, chest pain or tightness, irregular heartbeat, severe headache, shortness of breath, blurred vision, confusion, and/or slurred speech during treatment with ergotamine. Do not take larger doses or use the medication more frequently than prescribed. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

PHENobarbital perindopril

Applies to: Spastrin (belladonna / ergotamine / phenobarbital), Prestalia (amlodipine / perindopril)

Perindopril and PHENobarbital may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Minor

amLODIPine perindopril

Applies to: Prestalia (amlodipine / perindopril), Prestalia (amlodipine / perindopril)

Information for this minor interaction is available on the professional version.

Drug and food interactions

Major

PHENobarbital food

Applies to: Spastrin (belladonna / ergotamine / phenobarbital)

Ask your doctor before using PHENobarbital together with ethanol, this can add to dizziness, drowsiness and other side effects of PHENobarbital. Be careful if you drive or do activities that require you to be awake and alert. Talk with your doctor before using any medications together, or drinking alcohol with PHENobarbital. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

ergotamine food

Applies to: Spastrin (belladonna / ergotamine / phenobarbital)

Grapefruit juice may increase the blood levels of certain medications such as ergotamine. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with ergotamine. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

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Moderate

perindopril food

Applies to: Prestalia (amlodipine / perindopril)

It is recommended that if you are taking perindopril you should be advised to avoid moderately high or high potassium dietary intake. This can cause high levels of potassium in your blood. Do not use salt substitutes or potassium supplements while taking perindopril, unless your doctor has told you to.

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Moderate

amLODIPine food

Applies to: Prestalia (amlodipine / perindopril)

AmLODIPine and ethanol may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

belladonna food

Applies to: Spastrin (belladonna / ergotamine / phenobarbital)

Ask your doctor before using belladonna together with ethanol. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking belladonna. You should be warned not to exceed recommended dosages and to avoid activities requiring mental alertness. If your doctor prescribes these medications together, you may need a dose adjustment to safely take this combination. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

amLODIPine food

Applies to: Prestalia (amlodipine / perindopril)

Using amLODIPine together with multivitamin with minerals can decrease the effects of amLODIPine. Talk with your doctor before using amLODIPine and multivitamin with minerals together. You may need a dose adjustment or need your blood pressure checked more often if you take both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

ergotamine food

Applies to: Spastrin (belladonna / ergotamine / phenobarbital)

Nicotine may increase the effects of ergotamine in narrowing the blood vessels and decreasing blood flow. A severe decrease in blood flow to the brain and other parts of the body can lead to dangerous side effects. Contact your doctor immediately if you experience coldness, paleness, discoloration, numbness, tingling, or pain in your hands or feet; muscle pain or weakness; severe or worsening headache; blurred vision; severe abdominal pain; chest pain; or shortness of breath while using these medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Minor

amLODIPine food

Applies to: Prestalia (amlodipine / perindopril)

Information for this minor interaction is available on the professional version.

Therapeutic duplication warnings

No duplication warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.


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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.