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Adempas (riociguat) lowers blood pressure in your lungs, helping your heart pump blood more efficiently.
Adempas is used to treat chronic thromboembolic pulmonary hypertension (CTEPH) in people who cannot be treated with surgery, or in people who have undergone surgery but still have symptoms. Riociguat can treat certain symptoms of CTEPH and can improve your ability to exercise.
Adempas is also used to treat pulmonary arterial hypertension (PAH). Riociguat can improve your ability to exercise and help prevent PAH from getting worse.
Adempas is available to women only under a special program. You must be registered in the program and understand the risks and benefits of this medicine.
Adempas can cause birth defects. Do not use if you are pregnant. You must use highly effective birth control while taking Adempas and for at least 1 month after your last dose. Do not have unprotected sex.
Tell your doctor about all your current medicines and any you start or stop using. Many drugs can interact with riociguat, and some drugs should not be used together.
You should not use Adempas if you are allergic to riociguat, or if:
you are pregnant or might become pregnant during treatment; or
you have PAH related to a condition called idiopathic interstitial pneumonias (PH-IIP).
Some medicines can cause unwanted or dangerous effects when used with Adempas. Your doctor may change your treatment plan if you also use:
dipyridamole;
theophylline;
erectile dysfunction medicine such as Viagra, Cialis, Levitra, and others;
a nitrate drug for chest pain or heart problems (amyl nitrite, nitroglycerin, and others); or
other medicines to treat PAH (Adcirca or Revatio).
Do not take Adempas within 24 hours before or after taking sildenafil (Revatio, Viagra), or within 24 hours before or 48 hours after taking tadalafil (Adcirca, Cialis).
To make sure Adempas is safe for you, tell your doctor if you have ever had:
heart disease, blood circulation problems;
low blood pressure;
a condition called pulmonary veno-occlusive disease (PVOD);
a cough with bloody mucus, or bleeding from your lung;
liver disease;
kidney disease (or if you are on dialysis); or
if you smoke.
Do not use Adempas if you are pregnant. It could harm the unborn baby or cause birth defects. Use effective birth control to prevent pregnancy while you are using this medicine and for at least 1 month after your treatment ends. Tell your doctor right away if you miss a menstrual period or think you may have become pregnant during treatment.
You will need to have a negative pregnancy test before starting this treatment. You will also be re-tested every month during your treatment, and 1 month after you stop taking this medicine. Do not have unprotected sex.
While taking Adempas, girls and women who are able to get pregnant must use highly effective birth control, or two methods together.
Even if you are not planning a pregnancy, you are considered able to become pregnant if:
you have entered puberty (even if you have not yet started having periods);
you have never had a hysterectomy or had your ovaries removed; or
you have not gone through menopause (you have never gone 12 months in a row without a menstrual period).
Adempas comes with patient instructions about acceptable forms of birth control to use while taking this medicine. Follow these directions carefully. Ask your doctor or pharmacist if you have any questions.
Even if your sexual partner has had a vasectomy, you must still use a second method of birth control--either a barrier method or a hormonal form (birth control pills, injections, skin patch, or vaginal ring).
If you are the parent or caregiver of a female child taking this medication, talk to the child's doctor once you notice any signs of puberty (breast development or pubic hair), even if menstrual periods have not yet begun.
You should not breast-feed while using this medicine.
Take Adempas exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
You may take Adempas with or without food.
If you cannot swallow a tablet whole, you may crush the tablet and mix it with water or soft food (such as applesauce). Swallow the mixture right away without chewing. Do not save it for later use.
Your blood pressure will need to be checked often.
Store at room temperature away from moisture and heat.
Usual Adult Dose for Pulmonary Hypertension:
Initial dose: 1 mg orally 3 times a day
Maximum dose: 2.5 mg orally 3 times a day
Comments:
-For patients who cannot tolerate the hypotensive effect, consider a starting dose of 0.5 mg orally 3 times a day. If systolic blood pressure remains greater than 95 mmHg and the patient has no signs of hypotension, the dose may be titrated up by 0.5 mg orally 3 times a day.
-Dose increases should be no more frequent than every 2 weeks.
Uses:
-Persistent/recurrent chronic thromboembolic pulmonary hypertension (CTEPH) (WHO group 4) after surgical treatment or inoperable CTEPH to improve exercise capacity and WHO functional class.
-As monotherapy or in combination with endothelin receptor antagonists or prostanoids to treat pulmonary arterial hypertension (PAH) (WHO group 1) to improve exercise capacity, improve WHO functional class and to delay clinical worsening.
Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.
Call your doctor if you miss your doses for 3 days in a row or longer.
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Do not have unprotected sex while taking Adempas. You must use birth control to prevent pregnancy during treatment and for at least 30 days after you stop taking this medicine.
Avoid taking an antacid within 1 hour before or 1 hour after you take Adempas. Some antacids can make it harder for your body to absorb riociguat.
Smoking can make riociguat less effective. Tell your doctor if you start or stop smoking while you are taking this medicine. Your dose needs may need to be changed.
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.
Get emergency medical help if you have signs of an allergic reaction to Adempas: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using Adempas and call your doctor at once if you have:
a light-headed feeling, like you might pass out;
abnormal vaginal bleeding, or any other unusual bleeding;
vomiting or coughing up bright red blood, or vomit that looks like coffee grounds;
low red blood cells (anemia) - pale skin, unusual tiredness, feeling light-headed or short of breath, cold hands and feet; or
build-up of fluid in your lungs - anxiety, sweating, pale skin, severe shortness of breath, wheezing, gasping for breath, cough with foamy mucus, chest pain, fast or uneven heart rate.
Common Adempas side effects may include:
headache, dizziness;
indigestion, nausea, vomiting, diarrhea; or
swelling in your hands, legs, or feet.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Other drugs may interact with riociguat, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Adempas only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.
Source: Drugs.com Adempas (www.drugs.com/adempas.html).
Note: This document contains side effect information about riociguat. Some of the dosage forms listed on this page may not apply to the brand name Adempas.
Common side effects of Adempas include: dyspepsia, gastritis, and headache. See below for a comprehensive list of adverse effects.
Applies to riociguat: oral tablet
Oral route (Tablet)
Do not administer riociguat to a pregnant female because it may cause fetal harm. Females of reproductive potential: Exclude pregnancy before start of treatment, monthly during treatment, and 1 month after treatment discontinuation. To prevent pregnancy, females of reproductive potential must use effective forms of contraception during treatment and for one month after stopping treatment. For all females, riociguat is available only through a restricted program called the Adempas REMS Program.
Along with its needed effects, riociguat (the active ingredient contained in Adempas) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking riociguat:
More common
Less common
Some side effects of riociguat may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
Less common
Applies to riociguat: oral tablet
The most frequently reported side effects were headache, dyspepsia/gastritis, dizziness, nausea, diarrhea, hypotension, vomiting, anemia, gastroesophageal reflux, and constipation.
Very common (10% or more): Peripheral edema (up to 17.3%), hypotension (up to 10%)
Common (1% to 10%): Palpitation, chest pain, chest discomfort
Very common (10% or more): Headache (up to 27%), dizziness (up to 20%)
Very common (10% or more): Dyspepsia (up to 21%), gastritis (21%), nausea (up to 14.1%), diarrhea (up to 12%), vomiting (up to 10.2%)
Common (1% to 10%): Gastroesophageal reflux disease, constipation, gastroenteritis, gastrointestinal/abdominal pain, dysphagia, abdominal distention
Very common (10% or more): Hemoglobin decreased (24.1%), hematocrit decreased (13.3%)
Common (1% to 10%): Anemia
Very common (10% or more): Nasopharyngitis (11.8%)
Common (1% to 10%): Dyspnea, cough, nasal congestion, epistaxis, hemoptysis
Frequency not reported: Pulmonary hemorrhage
Common (1% to 10%): Pain in extremity
Common (1% to 10%): Fatigue
Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.
Source: Drugs.com Adempas (www.drugs.com/adempas.html).
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