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Kan jag ta CBD-olja och Clozapine tillsammans?

Guide för läkemedelsinteraktioner

Att ta CBD-olja tillsammans med klozapin kan avsevärt öka nivåerna av klozapin i ditt blod. Detta kan leda till allvarliga biverkningar som extrem dåsighet, yrsel, anfall eller en farlig minskning av antalet vita blodkroppar. Dessutom kan båda substanserna orsaka sömnighet, vilket kan bli mycket värre när de tas tillsammans.

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Kan medicinsk cannabis vara ett alternativ för dig?

If you have a diagnosed condition and standard treatments haven’t worked, you may be eligible for specialist-prescribed medical cannabis in the UK. Kontrollera din behörighet

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Varför detta händer

Clozapine is broken down in the liver by specific proteins (enzymes) called CYP1A2 and CYP3A4. CBD oil blocks these proteins from working properly, which stops the body from clearing clozapine. This causes the medication to build up to potentially toxic levels. Both drugs also have calming effects on the brain that add together.

You must speak to your doctor or psychiatrist before taking CBD oil if you are prescribed clozapine. Do not start, stop, or change your dose of CBD without medical supervision. Your doctor may need to monitor your blood levels more frequently or adjust your clozapine dose to ensure it remains at a safe level. If you feel unusually tired, dizzy, or develop a fever, contact your healthcare provider immediately.

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Clozapine toxicity

CBD oil can significantly increase the levels of clozapine in your blood, raising the risk of serious side effects like seizures or heart problems. Do not start CBD without specialist supervision.

Agranulocytosis (low white blood cells) - clozapine

You must have regular blood tests. If you develop a fever, sore throat, or any flu-like symptoms, you must contact your doctor immediately as this can be life-threatening.

Förstoppning

Clozapine can cause severe constipation that may lead to bowel obstruction. You must tell your doctor if you are not opening your bowels regularly.

Smoking habits

If you start or stop smoking, or change to vaping, you must tell your doctor. Changes in nicotine intake can significantly change the level of clozapine in your blood, which may require a dose adjustment.

Alkohol

Alcohol can increase the sedative effects of clozapine, making you feel very drowsy and increasing the risk of falls or accidents. It may also increase the risk of side effects like dizziness and blurred vision.

Caffeine (Coffee, Tea, Cola, Energy drinks)

Caffeine can significantly increase the levels of clozapine in your blood, which may lead to more side effects. Conversely, if you suddenly stop drinking caffeine, your clozapine levels could drop, making the medicine less effective. Try to keep your caffeine intake consistent. CBD may also interfere with how your body breaks down caffeine, potentially making you feel more jittery.

Grapefruit juice

Grapefruit and grapefruit juice can interfere with the enzymes that break down CBD in your body. This can lead to higher levels of CBD in your bloodstream, potentially increasing the risk of side effects.

Fettrika måltider

Taking CBD oil with a high-fat meal can significantly increase the amount of CBD absorbed into your body (sometimes by 3 to 4 times). To keep your levels stable, you should be consistent: either always take it with food or always take it on an empty stomach.

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Taking multiple medicines? Our Interaktionskontroll för läkemedel helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Ansvarsfriskrivning

Denna information är endast avsedd för allmän utbildning och bör inte användas som en ersättning för professionell medicinsk rådgivning. Rådfråga alltid din läkare, apotekare eller annan kvalificerad vårdpersonal innan du fattar beslut om dina mediciner. Individuella omständigheter kan variera, och endast en vårdpersonal som känner till din medicinska historia kan ge personlig vägledning.

Sponsrad

Kan medicinsk cannabis vara ett alternativ för dig?

If you have a diagnosed condition and standard treatments haven’t worked, you may be eligible for specialist-prescribed medical cannabis in the UK. Kontrollera din behörighet

Fortsätt läsa nedan

Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.

  • 25 jan 2026 | Ursprungligen publicerad
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