Corgard

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Corgard Side Effects

Dizziness, drowsiness, weakness, and cough may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.

This drug may reduce blood flow to your hands and feet, causing them to feel cold. Smoking may worsen this effect. Dress warmly and avoid tobacco use.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if any of the following unlikely but serious side effects occur: bluish color of the fingers/toes/nails, hair loss (reversible), mental/mood changes (e.g., depression, confusion, memory problems), numbness/tingling, decreased sexual ability, vision changes, wheezing, new or worsening symptoms of heart failure (such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain).

Seek immediate medical attention if any of these unlikely but very serious side effects occur: slow/irregular/fast heartbeat, severe dizziness/fainting.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
  • purpura
  • thrombocytopenic disorder
  • agranulocytosis
  • neutropenic disorder
  • acute confusion
  • libido changes
  • depression
  • blurred vision
  • visual changes
  • dry eye
  • tinnitus
  • heart block
  • bradycardia
  • cardiac arrhythmia
  • chronic heart failure
  • Raynaud's phenomenon
  • hypotension
  • sore throat
  • nasal congestion
  • laryngismus
  • acute respiratory distress syndrome
  • bronchospastic pulmonary disease
  • xerostomia
  • dyspepsia
  • ischemic colitis
  • constipation
  • Peyronie's disease
  • pemphigoid
  • pruritus of skin
  • dry skin
  • drowsy
  • sedation
  • hallucinations
  • dizziness
  • sleep disorder
  • insomnia
  • fatigue
  • hyperhidrosis
  • skin rash
  • facial edema
  • anorexia
  • weight gain
  • headache disorder
  • slurred speech
  • cough
  • nausea
  • vomiting
  • flatulence
  • diarrhea
  • abdominal distension
  • abnormal hepatic function tests
  • CNS depression
  • paresthesia
  • general weakness
  • acute abdominal pain
  • mesenteric artery thrombosis

Drug Interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: alpha blockers (such as prazosin), arbutamine, other beta blockers (such as atenolol), clonidine, epinephrine, fenoldopam, fingolimod, methyldopa, neuromuscular blocking agents (such as tubocurarine), "water pills" (including diuretics such as furosemide).

Tell your doctor or pharmacist if you are taking other products that cause drowsiness such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana (cannabis), drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).

Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.

Some products have ingredients that could raise your heart rate or blood pressure. Tell your pharmacist what products you are using, and ask how to use them safely (especially cough-and-cold products, diet aids, or NSAIDs such as ibuprofen/naproxen).