Osteoporosis Home > Miacalcin Nasal Spray
- Low blood calcium (hypocalcemia)
- Nasal sores or problems
- Any allergies, including allergies to food, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant (see Miacalcin Nasal Spray and Pregnancy)
- Breastfeeding (see Miacalcin Nasal Spray and Breastfeeding).
- Low calcium in the blood
- Muscle twitches or spasms
- An irregular heart rhythm (arrhythmia).