Cardene SR Side Effects

What should I watch for?

Visit your doctor or health care professional for regular check ups. Check your blood pressure and pulse rate regularly. Ask your doctor or health care professional what your blood pressure and pulse rate should be and when you should contact him or her.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.


Interactions with Medications

Along with its needed effects, a medicine 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:

More common

Arm, back, or jaw pain

chest pain or discomfort

chest tightness or heaviness

fast or irregular heartbeat



shortness of breath


swelling of the legs

Less common




Blurred vision

cold hands and feet

cold sweats


cough or hoarseness

difficulty swallowing

dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly

extra heartbeat

fever or chills


increase in frequency of urination


lower back or side pain

painful or difficult urination

puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

skin rash

unusual tiredness or weakness


Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose


slurred speech

Some side effects 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

Feeling of warmth


lack or loss of strength

redness of the face, neck, arms and occasionally, upper chest

Less common

Acid or sour stomach


burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

difficulty in moving

dry mouth



joint pain

muscle aching or cramping

muscle pains or stiffness


stomach discomfort, upset, or pain

swollen joints


Changes in vision


continuing ringing or buzzing or other unexplained noise in ears

decreased interest in sexual intercourse

difficult or labored breathing


fear or nervousness

feeling of constant movement of self or surroundings

feeling sad or empty

hearing loss

inability to have or keep an erection

increase in body movements


lack of appetite

loss of interest or pleasure

loss in sexual ability, desire, drive, or performance


pain or tenderness around eyes and cheekbones

runny nose

sensation of spinning


sore throat

stuffy nose

trouble concentrating

trouble sleeping

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

GoodRx is not sponsored by or affiliated with any of the pharmacies identified in its price comparisons. All trademarks, brands, logos and copyright images are property of their respective owners and rights holders and are used solely to represent the products of these rights holders. This information is for informational purposes only and is not meant to be a substitute for professional medical advice, diagnosis or treatment. GoodRx is not offering advice, recommending or endorsing any specific prescription drug, pharmacy or other information on the site. GoodRx provides no warranty for any of the pricing data or other information. Please seek medical advice before starting, changing or terminating any medical treatment.
The information contained in the Truven Health Micromedex products as delivered by GoodRx is intended as an educational aid only. It is not intended as medical advice for individual conditions or treatment. It is not a substitute for a medical exam, nor does it replace the need for services provided by medical professionals. Talk to your doctor, nurse or pharmacist before taking any prescription or over the counter drugs (including any herbal medicines or supplements) or following any treatment or regimen. Only your doctor, nurse, or pharmacist can provide you with advice on what is safe and effective for you.
The use of the Truven Health products is at your sole risk. These products are provided "AS IS" and "as available" for use, without warranties of any kind, either express or implied. Truven Health and GoodRx make no representation or warranty as to the accuracy, reliability, timeliness, usefulness or completeness of any of the information contained in the products. Additionally, TRUVEN HEALTH MAKES NO REPRESENTATION OR WARRANTIES AS TO THE OPINIONS OR OTHER SERVICE OR DATA YOU MAY ACCESS, DOWNLOAD OR USE AS A RESULT OF USE OF THE THOMSON REUTERS HEALTHCARE PRODUCTS. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE ARE HEREBY EXCLUDED. Truven Health does not assume any responsibility or risk for your use of the Truven Health products.