Riociguat
About Riociguat
Riociguat is a prescription medicine used to treat adults with certain types of high blood pressure in the lungs, known as pulmonary hypertension. Specifically, it helps manage chronic thromboembolic pulmonary hypertension that cannot be treated with surgery (or remains after surgery), as well as pulmonary arterial hypertension. It works by relaxing the blood vessels in the lungs to improve blood flow and lower blood pressure.
This medicine is typically taken three times a day, and it is highly important to take it consistently at the same times every day. You can take Riociguat with or without food, but you should choose one way and stick to it. Making dietary changes like reducing your salt intake and staying active with light, doctor-approved exercise can further support your heart and lung health.
Many people tolerate this medicine well, though some may experience mild side effects such as headaches, dizziness, or stomach upset. However, you must contact your healthcare provider immediately if you experience serious symptoms like coughing up blood, sudden breathlessness, or severe dizziness that makes you feel faint.
Before starting this treatment, tell your doctor if you have a history of heart, liver, or kidney problems, or if you have recently experienced serious bleeding. Do not take this if you are pregnant, planning to become pregnant, or if you take certain medicines for erectile dysfunction or chest pain, as these combinations can be dangerous.
This medicine can interact with several other drugs, and smoking cigarettes can significantly lower the amount of medicine in your body, making it less effective. If you belong to a specific user group, such as being elderly or having kidney issues, your doctor may monitor you more closely, and those who are breastfeeding should consult their doctor before use.
Uses of Riociguat
Medicinal Benefits
Riociguat provides meaningful relief by directly targeting the narrowed blood vessels in your lungs. By helping these vessels relax and widen, the medicine makes it easier for your heart to pump blood through your lungs, which brings significant real-world benefits to your daily life.Key benefits include:
- Improved Breathing: By reducing the pressure in your lungs, the medicine helps decrease shortness of breath, allowing you to breathe more easily during daily tasks.
- Increased Exercise Capacity: Many patients find they can walk longer distances and engage in physical activities with less fatigue and chest discomfort.
- Better Quality of Life: With improved stamina and fewer symptoms, you can better manage daily routines, chores, and social activities without feeling constantly exhausted.
Directions for Use
- Riociguat can be taken with or without food because food does not significantly affect its absorption or effectiveness.
- It is usually taken three times a day, or as prescribed by your doctor.
- Swallow Riociguat as a whole with a glass of water.
- Do not chew, crush, or break it.
Storage
Side Effects of Riociguat
Common Side Effects (Usually mild)
- Headache
- Dizziness or lightheadedness
- Indigestion, stomach discomfort, or nausea
- Diarrhoea or loose stools
- Swelling in the ankles, feet, or legs
Serious Side Effects (Consult your doctor right away)
- Unusual or severe bleeding, such as coughing up blood, nosebleeds, or blood in your urine or stools
- Severe dizziness, fainting, or feeling like you might pass out (signs of very low blood pressure)
- Signs of a severe allergic reaction, such as swelling of the face, lips, tongue, or throat, or difficulty breathing
- Sudden, unexplained shortness of breath or worsening chest pain
Medicines Containing this Salt
View AllDrug Warnings
- Pregnancy Warning: This medicine can cause severe harm to an unborn baby. Female patients of childbearing potential must use highly effective birth control during treatment and for one month after stopping and undergo regular pregnancy tests.
- Never Mix with Nitrates: Do not take this medicine if you use nitrates (such as nitroglycerin) for chest pain, or recreational drugs called 'poppers,' as this can cause a life-threatening drop in blood pressure.
- Avoid Erectile Dysfunction Medicines: Do not use medicines for erectile dysfunction, called phosphodiesterase (PDE) inhibitors, such as sildenafil or tadalafil, while taking this medicine, as combining them can cause dangerously low blood pressure.
- Watch for Bleeding: This medicine can increase your risk of serious bleeding. Be cautious with sharp objects, avoid contact sports, and report any unexplained bruising or bleeding to your doctor.
- Avoid Antacids Near Dose Times: Antacids containing aluminium or magnesium can stop your body from fully absorbing this medicine. Avoid taking these antacids within one hour of taking your tablet.
- Rise Slowly: To minimise dizziness or lightheadedness when standing up from a sitting or lying position, get up slowly and steady yourself.
Drug Interactions
Inform your doctor if you are taking any of the following medicines, as they may interact.
- Nitrates and Nitric Oxide Donors: Taking these together can cause a severe, life-threatening drop in blood pressure. Do not take them concurrently.
- Phosphodiesterase (PDE) Inhibitors: Combining Riociguat with medicines like sildenafil, tadalafil, or vardenafil can lead to excessively low blood pressure and dizziness.
- Certain antifungal medicines and HIV treatments (Strong CYP and P-gp inhibitors): Some antifungal medicines (like ketoconazole or itraconazole) or HIV protease inhibitors can increase the levels of Riociguat in your blood, raising the risk of side effects.
- Certain medicines that make your body break down Riociguat faster (Strong CYP Inducers): Certain medicines, such as rifampicin, can significantly lower the levels of Riociguat in your blood, making it less effective.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
cautionIt is advised to limit alcohol intake since alcohol consumption with Riociguat may increase the risk of low blood pressure and cause adverse effects, such as dizziness, fainting, light-headedness or headache.
Pregnancy
cautionConsult your doctor, and there is no substantial research yet on the use of Riociguat in pregnant women.
Breast Feeding
cautionConsult your doctor, and there is no substantial research yet on the use of Riociguat in breastfeeding/nursing mothers.
Driving
cautionIt is not known whether Riociguat alters the ability to drive. Do not drive or operate machinery if you experience any symptoms that affect your ability to concentrate and react. Seek medical attention if the symptoms persist longer.
Liver
cautionPlease consult your doctor if you have any concerns regarding using Riociguat in patients with liver impairment. Your doctor will prescribe only if the benefits outweigh the risks.
Kidney
cautionPlease consult your doctor if you have any concerns regarding using Riociguat in patients with kidney impairment. Your doctor will prescribe only if the benefits outweigh the risks.
Children
cautionThere is limited information available on the use of Riociguat in children. Please consult your doctor.
Habit Forming
Diet & Lifestyle Advise
- Reduce Salt Intake: Eat a low-sodium diet to help prevent fluid retention, which can put extra strain on your heart and lungs. Avoid processed foods and do not add extra salt to your meals.
- Stay Active Wisely: Engage in gentle, low-impact exercises like walking, but only after discussing a safe physical activity plan with your doctor. Stop immediately if you feel dizzy or short of breath.
- Avoid Smoking: Smoking cigarettes can significantly speed up how fast your body processes this medicine, making it less effective. If you smoke, talk to your doctor about support for quitting. If you stop smoking while taking this medicine, your dose may need to be adjusted.
- Monitor Fluid Levels: Weigh yourself daily at the same time. A sudden increase in weight can be a sign of fluid buildup in your body, which you should report to your healthcare provider.
Special Advise
Keep a check on your daily blood pressure, and if you notice any fluctuations, please consult a doctor.
Your doctor may ask you to undergo blood and urine tests if you suffer from vomiting or dehydration.
If you have diabetes, using Riociguat may affect your blood sugar levels. Inform your doctor so that you may adjust your diabetes medication accordingly.
Your dietician may prescribe you a suitable exercise program and diet to manage your blood pressure.
Your doctor may also suggest liver function tests since the Riociguat may cause a change in liver enzymes.
may adjust your diabetes medication
Patients Concern
Disease/Condition Glossary
Pulmonary hypertension is a type of high blood pressure that affects arteries in the lungs and the heart. Pulmonary hypertension affects arteries in the lungs and the right side of the heart.
FAQs
Riociguat is used to treat pulmonary arterial hypertension (high blood pressure in the lungs).
Riociguat contains ‘Riociguat’. It works by relaxing the blood vessels in the lungs to allow blood to flow easily. Thereby, it increases the blood supply to the lungs.
Please do not stop using Riociguat without consulting your doctor on your own. Continue using Riociguat for as long as your doctor has prescribed it to treat your condition effectually. Do not be reluctant to speak with your doctor if you experience any difficulty while taking Riociguat.
Riociguat is safe if used in the dose and duration recommended by your doctor. Take it exactly as directed, and do not skip any dose. Follow your doctor's guidelines carefully and inform your doctor if any of the side effects disturb you.
Take the missed dose as soon as possible. However, skip the missed dose and return to your regular dosing schedule if it is time for the next dose.
Patients with lactose intolerance should exercise caution when taking Riociguat. If you have a rare hereditary problem such as galactose intolerance, total lactase deficiency, or glucose-galactose malabsorption, you should not take Riociguat due to its lactose content. Consult your healthcare professional for guidance and concerns.
To make swallowing Riociguat easier, take it with a full glass of water or use a pill-swallowing aid. Please consult your doctor about alternative options, like crushing or splitting the tablet if needed.
Regular blood pressure monitoring is crucial while taking Riociguat to ensure its effectiveness and safety. This is because Riociguat can cause low blood pressure (hypotension), dizziness, fainting, or weakness. By regularly monitoring blood pressure, you can detect any sudden drops or fluctuations, allowing for timely adjustments to the dosage if needed and ensuring safe and effective treatment under your doctor's guidance.
The side effects of Riociguat include headache, dizziness, diarrhoea, decreased blood pressure, vomiting, nausea, anemia (low number of red blood cells), gastro-oesophageal reflux disease, and constipation. These side effects are not familiar to everyone and vary individually. Please consult the doctor if you notice any side effects that are not manageable.
No, you must not take Riociguat if you are pregnant or planning to become pregnant, as it can cause severe birth defects. Female patients must use reliable birth control during treatment. Talk to your doctor for safe options.
If you miss taking your medicine for three or more days in a row, do not simply restart your usual dose. Contact your healthcare provider immediately, as you may need to restart the medicine at a lower dose and gradually increase it again. Talk to your doctor.
It is best to limit or avoid alcohol while taking this medicine. Alcohol can lower your blood pressure, which may increase the risk of feeling dizzy, lightheaded, or fainting when combined with Riociguat. Talk to your doctor.
Smoking cigarettes causes your body to break down this medicine much faster, which lowers its level in your blood and makes it less effective. If you start or stop smoking during treatment, your dose may need to be adjusted. Talk to your doctor.
Yes, but timing is very important. Antacids containing aluminium or magnesium can prevent your body from absorbing this medicine properly. Always take these antacids at least one hour before or one hour after taking Riociguat. Talk to your doctor.
No, you should not take these medicines together. Combining Riociguat with phosphodiesterase inhibitors like sildenafil or tadalafil can cause a dangerous and sudden drop in blood pressure. Talk to your doctor.
No, Riociguat does not cure pulmonary hypertension, but it helps manage the symptoms and slows down the progression of the disease by lowering blood pressure in your lungs. You must continue taking it as prescribed even if you feel better. Talk to your doctor.
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