What is Miacalcin: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published May 28, 2022

Miacalcin overview

BRAND NAMES:

  • Miacalcin, Fortical

Generic Names:

  • Calcitonin (Salmon)

Uses:

  • Treats bone pain and other symptoms of Paget disease, hypercalcemia, or osteoporosis., Treats osteoporosis.

Therapeutic Classes:

  • Calcium Regulator

Forms:

  • Injectable, Spray

How it’s taken:

  • By injection, Into the nose

What is Miacalcin used for?

What form(s) does Miacalcin come in

  • Injectable

  • Spray

What are common Miacalcin doses?

  • Vial 2ML of 200UNIT/ML

Common Miacalcin prescriptions

  • Miacalcin
    3.7000000476837158ml of 200unit/act bottle

  • Miacalcin
    2ml of 200unit/ml vial

How to take Miacalcin

  • Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot under your skin or into one of your muscles.

  • Injection routeYou may be taught how to give your medicine at home. Make sure you understand all instructions before giving yourself an injection. Do not use more medicine or use it more often than your doctor tells you to.

  • Do not use the medicine if it looks discolored or has particles in the liquid. Do not use the medicine if the vial is damaged.

  • If you are using this medicine for osteoporosis or Paget disease, take calcium and vitamin D supplements every day.

  • Injection routeUse a new needle and syringe each time you inject your medicine.

  • Injection routeYou will be shown the body areas where this shot can be given. Use a different body area each time you give yourself a shot. Keep track of where you give each shot to make sure you rotate body areas.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Injection routeIf you store this medicine at home, keep it in the refrigerator. Do not freeze.

  • Injection routeThrow away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Nasal routeThis medicine is for use only in the nose. Do not get any of it in your eyes or on your skin. If it does get on these areas, rinse it off right away.

  • This medicine is used in only 1 nostril each day. It is best to change which nostril you use each day.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Always remove a new bottle of medicine from the refrigerator and let it come to room temperature before you use it.

  • You will need to prime the spray the first time you use the bottle. To do this, pump or squeeze the bottle at least 5 times until some of the medicine sprays out. Now it is ready to use. You do not need to prime the bottle before each use.

  • Nasal routeAfter using the nasal spray, wipe the tip of the bottle with a clean tissue and put the cap back on.

  • Each spray bottle contains 30 doses of the medicine. Keep track of the doses you use. Throw away the bottle after 30 doses, even if it is not completely empty.

  • Store the unopened bottle in the refrigerator. Do not freeze. Store the opened bottle in an upright position at room temperature, away from heat and direct light.

  • Keep the bottle tightly closed when you are not using it.

What to do if you miss a dose of Miacalcin

Miacalcin contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to calcitonin.

Miacalcin warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have a low calcium level (hypocalcemia) or a vitamin D deficiency.

  • This medicine may cause the following problems:Low calcium levelsIncreased risk of cancer

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Tell your doctor if you are pregnant or breastfeeding, or if you have a vitamin D deficiency.

  • This medicine may cause the following problems:Low calcium levels in your bloodPainful and serious irritation in your noseIncreased risk of cancer

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments. Your doctor may also check your nose before and during treatment with this medicine.

Miacalcin interactions

  • Some medicines can affect how calcitonin works. Tell your doctor if you are using lithium.

  • This medicine may cause the following problems:Low calcium levelsIncreased risk of cancer

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • This medicine may cause the following problems:Low calcium levels in your bloodPainful and serious irritation in your noseIncreased risk of cancer

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments. Your doctor may also check your nose before and during treatment with this medicine.

Miacalcin side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Muscle spasms or stiffness, anxiety, confusion, seizures

  • Warmth or redness in your face, neck, arms, hands, or upper chest

  • Trouble breathing, heavy nosebleeds

  • Muscle cramps or spasms, numbness or tingling in your fingers, toes, or around your mouth, confusion, seizures

  • Severe sores, crusting, redness, or irritation in your nose

Less Serious Side Effects

  • Warmth or redness in your face, neck, arms, hands, or upper chest

  • Pain, itching, burning, swelling, or a lump where the shot was given

  • Nausea, vomiting, stomach pain, or loss of appetite

  • Runny or stuffy nose

  • Mild itching, dryness, or tenderness in your nose

  • Light bleeding from your nose

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