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Can I take Tizanidine and Trazodone together?

Guía de interacción de medicamentos

Taking tizanidine and trazodone together can make you feel extremely drowsy, dizzy, or lightheaded. It can also cause a significant drop in your blood pressure, which might lead to fainting or feeling like you are going to pass out. Your breathing may also become slower or shallower.

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Por qué sucede esto

Both drugs have a 'sedating' effect on the brain and central nervous system. When used together, these effects add up (additive effect). Additionally, both medications can lower blood pressure—tizanidine by acting on certain receptors in the brain and trazodone as a side effect of its antidepressant action.

You should speak to your doctor before taking these two medicines together. If your doctor confirms you need both, they may suggest taking them at different times or starting with a very low dose. Do not drive, cycle, or operate machinery until you know how this combination affects you. Get up slowly from a sitting or lying position to avoid dizziness.

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Depresión y trastornos de la salud mental

La trazodona puede aumentar los pensamientos de autolesión o suicidio, especialmente al comenzar el medicamento o al cambiar la dosis. Vigila tu estado de ánimo de cerca y busca ayuda médica urgente si experimentas pensamientos angustiosos.

Síndrome de serotonina

When taken with other serotonergic medicines, trazodone can cause a life-threatening condition called serotonin syndrome. Seek immediate medical attention if you experience high fever, agitation, shivering, or muscle twitching.

Presión arterial baja (hipotensión)

Tizanidine can cause a severe drop in blood pressure, leading to dizziness or fainting. This is more likely if you take it with certain blood pressure medicines or if you stand up too quickly.

Problemas del hígado

Tizanidine can cause serious liver damage. You will need regular blood tests to monitor your liver function, and you must report any yellowing of the skin or eyes (jaundice) or severe nausea immediately.

Trastornos de la coagulación

Trazodone can increase your risk of bleeding, especially if you are also taking blood-thinning medicines (like warfarin) or NSAIDs (like ibuprofen). Report any unusual bruising or bleeding to your doctor.

Priapism (prolonged erection)

Trazodone can cause a painful, persistent erection that lasts for several hours. This is a medical emergency; if this occurs, stop taking the medicine and go to an A&E department immediately to avoid permanent damage.

Interrupción repentina del tratamiento

Do not stop taking tizanidine suddenly. Doing so can cause a rapid increase in heart rate and dangerously high blood pressure. Your dose must be reduced gradually.

Alcohol

It is best to avoid or strictly limit alcohol while taking these medicines. Both tizanidine and trazodone cause drowsiness and dizziness; alcohol will significantly increase these effects, making you more likely to have an accident or fall. Combining alcohol with these medicines can also lead to dangerous levels of sedation and breathing difficulties.

Jugo de toronja

Grapefruit juice can increase the amount of trazodone in your blood, which may increase the risk of side effects like extreme sleepiness or heart rhythm problems. It is best to avoid drinking large amounts of grapefruit juice.

Cafeína (Café, Té, Bebidas Energéticas)

You should avoid or strictly limit caffeine while taking tizanidine. Caffeine can interfere with how your body breaks down this medicine, which may lead to higher levels of tizanidine in your blood. This increases the risk of side effects such as extreme drowsiness, low blood pressure, and a slow heart rate.

Alimentos (General)

Food can change how much tizanidine your body absorbs. To keep the levels of medicine in your blood consistent, you should choose to always take your doses either with food or always on an empty stomach. Do not switch between the two.

El trazodona debe tomarse idealmente con o poco después de una comida o merienda. Tomarlo con el estómago vacío puede aumentar el riesgo de mareo o sensación de aturdimiento.

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Taking multiple medicines? Our Verificador de Interacciones de Medicamentos 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.

Descargo de responsabilidad

Esta información es solo para fines educativos generales y no debe considerarse como un sustituto del consejo médico profesional. Siempre consulte a su médico de cabecera, farmacéutico u otro profesional de la salud calificado antes de tomar decisiones sobre sus medicamentos. Las circunstancias individuales pueden variar, y solo un profesional de la salud que conozca su historial médico puede proporcionar orientación personalizada.

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Historial del artículo

La información en esta página está escrita y revisada por pares por clínicos calificados.

  • 25 Ene 2026 | Publicado originalmente
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