Conversation: The conversation between human and AI assistant.
[|Human|] I am 47 year old male and was having lower back pain. doctor says I have calcium deficiency. Ever since I have started Ca supplements (10 days) the pain has reduced but not completely gone. How long will I need to take these supplements? currently I am taking two 500mg shellcal tablets.
[|AI|]  Hello and welcome. You can continue this Chat Doctor. Many people using this medication do not have serious side effect. On long term usage its side effects are constipation and stomach upset and very rare allergic reactions symptoms like rash itching dizziness. However, seek immediate medical attention 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... Hope you'd understand. Stay healthcare.