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Too much calcium often causes mild side effects, such as belching and gas, according to WebMD. In severe cases of calcium overdose, a call to a poison control center or an emergency room visit is required, according to MedlinePlus, a service of the National Library of M...


Women 50 years old and younger need 1,000 milligrams of calcium a day, according to the National Osteoporosis Foundation; women 51 and older need 1,200 mg. Men 70 years old and younger need 1,000 mg; men 71 and older need 1,200 mg.


The symptoms of having too much calcium in the body include great thirst and frequent urination if it affects the kidneys, according to Mayo Clinic. Other symptoms are nausea, vomiting, constipation and upset stomach if it affects the digestive system.


Consuming excessive amounts of calcium can cause hypercalcemia, a condition in which calcium levels in the blood are too high, explains Healthline. Hypercalcemia affects multiple organs of the body and causes side effects such as muscle twitching and weakness, nausea, a...


According to the National Institutes of Health Office of Dietary Supplements, side effects from ingesting excess calcium in the form of dietary supplements or antacid tablets include hypercalcemia (an elevated calcium level in the blood), calcium deposits in soft tissue...


Too much calcium sometimes causes constipation, according to Mayo Clinic. Gas and bloating are other possible side effects of calcium consumption. Hypercalcemia, a condition in which calcium levels in the blood are too high, can also occur when a person ingests too much...


A glass of milk contains approximately 300 milligrams of calcium. However, this amount can vary depending on the type of milk in question. Fresh milk, ice milk, yogurt, soy milk or other types of milk contain varying amounts of calcium.