The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
Early signs of high calcium levels:
- Headache
- Weakness
- Feeling tired or sleepy
- Upset stomach or stomach pain
- Nausea
- Vomiting
- Constipation
- Loss of appetite
- Muscle pain
- Bone pain
- Dry mouth
- Metallic taste
Rocaltrol serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Late-stage calcium toxicity: changes in urine, loss of appetite, light sensitivity, chest pain, racing heart
- Allergic reaction: itching, rash, hives, swelling of lips
Source: DailyMed
The following Rocaltrol side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
- High calcium level—increased thirst or amount of urine, nausea, vomiting, confusion, unusual weakness or fatigue, bone pain
- High phosphorus level—muscle pain or cramps, bone or joint pain, numbness and tingling around the mouth
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Dry mouth
- Headache
- Loss of appetite
- Metallic taste in mouth
- Upset stomach

