generic for Sensipar

Cinacalcet Side Effects

Nausea, vomiting, or unusual tiredness may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

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.

Cinacalcet can cause low calcium blood levels. Your doctor will check your calcium blood levels while you are taking this medication. Tell your doctor right away if you have any of the following symptoms of low calcium levels: numb/tingling skin, severe muscle spasms, seizures, fast/irregular/pounding heartbeat.

Tell your doctor right away if you have any serious side effects, including: black/bloody stools, stomach/abdominal pain, vomit that contains blood or looks like coffee grounds.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: 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

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
  • pseudogout
  • hypocalcemia
  • dehydration
  • hyperkalemia
  • hypertension
  • cardiac arrhythmia
  • hypotension
  • upper respiratory infection
  • dyspepsia
  • constipation
  • gastrointestinal hemorrhage
  • urticaria
  • back pain
  • muscle spasm
  • myalgia
  • seizure disorder
  • dizziness
  • skin rash
  • anorexia
  • headache disorder
  • dyspnea
  • nausea
  • vomiting
  • diarrhea
  • fracture
  • angioedema
  • paresthesia
  • general weakness
  • acute abdominal pain
  • non-cardiac chest pain
  • adynamic bone disease
  • worsening of chronic heart failure
  • upper abdominal pain

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.

If your doctor tells you to switch from using this medication to etelcalcetide, this medication should be stopped at least 7 days before starting etelcalcetide. Using both medications together may increase the risk of side effects (especially low calcium levels).