Can I take Naproxen and Quinine together?
Guía de interacción de medicamentos
Publicado originalmente 25 Ene 2026
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Taking naproxen and quinine together may increase the risk of bleeding or bruising. It can also increase the chance of developing stomach irritation or ulcers. Additionally, both medications can occasionally affect your heart rhythm, and taking them together might slightly increase this risk.
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Por qué sucede esto
Naproxen is an NSAID that thins the blood slightly by affecting platelets and can irritate the stomach lining. Quinine can also lower platelet counts in some people, leading to an additive effect on bleeding risk. Both drugs have the potential to affect the electrical activity of the heart (prolonging the QT interval), though this is rare at standard doses.
Lo que deberías hacer
Volver al contenidoUse this combination with caution. If you have a history of stomach ulcers, heart rhythm problems, or bleeding disorders, speak to your doctor before taking them together. Seek medical advice if you notice unusual bruising, black tarry stools, or if you feel dizzy or notice a fluttering sensation in your chest.
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Precauciones importantes
Volver al contenidoAsma
Do not take naproxen if you have asthma that is sensitive to aspirin or other NSAIDs, as it can trigger a life-threatening asthma attack or severe breathing difficulties.
Úlceras estomacales o sangrado
Naproxen can cause serious stomach ulcers and internal bleeding. This risk is higher if you have had ulcers before, are over 65, or take other blood-thinning medicines. Stop taking it and see a doctor immediately if you have black, tarry stools or vomit blood.
Blood disorders (Thrombocytopenia)
Quinine can cause a severe drop in platelets (thrombocytopenia), leading to dangerous internal bleeding. Stop taking it immediately if you notice unusual bruising or small purple spots on your skin.
Trastornos del ritmo cardíaco
Quinine can cause serious, potentially fatal heart rhythm problems. Avoid if you have a history of 'long QT syndrome' or take other medicines that affect heart rhythm.
Tinnitus (ringing in the ears) or hearing loss
Quinine can cause permanent hearing damage or worsen existing tinnitus. Stop taking the medicine immediately if you notice any changes to your hearing or ringing in your ears.
Embarazo
Quinine must be avoided during pregnancy, especially in the first trimester, as high doses can cause birth defects or miscarriage. It should only be used for malaria if the benefits outweigh the risks to the baby.
Embarazo (tercer trimestre)
Do not take naproxen if you are more than 20 weeks pregnant. It can cause serious kidney or heart problems in the unborn baby and may lead to complications during delivery.
Advertencias sobre alimentos y bebidas
Volver al contenidoAlcohol
It is best to avoid or strictly limit alcohol while taking naproxen. Both alcohol and naproxen can irritate the lining of your stomach; combining them significantly increases your risk of developing stomach ulcers or internal bleeding.
It is best to avoid or strictly limit alcohol while taking quinine. Both alcohol and quinine can affect your heart rhythm and cause dizziness; combining them may increase these risks.
Jugo de toronja
Avoid drinking grapefruit juice or eating grapefruit while taking quinine. Grapefruit contains compounds that can increase the level of quinine in your blood, which makes side effects much more likely and potentially more serious.
Alimentos (General)
Debes tomar naproxeno con o justo después de una comida o un refrigerio. Esto ayuda a proteger el revestimiento de tu estómago y reduce el riesgo de indigestión o dolor de estómago.
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Uso de otros medicamentos
Volver al contenidoTaking 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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Can I take Naproxen and Tramadol together?
Taking naproxen and tramadol together can increase the risk of serious side effects, particularly affecting your stomach and kidneys. There is also a small but important risk of seizures (fits) and a rare condition called serotonin syndrome. However, these two medicines are often prescribed together for short-term pain relief under medical supervision.

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¿Puedo tomar Guanfacina y Tizanidina juntos?
Tomar estos dos medicamentos juntos puede hacer que su presión arterial baje demasiado y hacer que se sienta muy somnoliento o mareado. Puede sentirse débil, aturdido o incluso desmayarse, especialmente al levantarse rápidamente. También puede ralentizar significativamente su ritmo cardíaco.
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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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