Can calcium supplements be used to treat dry cough?
Generally, calcium supplements cannot be directly used to treat dry cough. It is recommended to use medications under the guidance of a professional doctor to avoid unnecessary harm to the body. Detailed analysis is as follows:

Calcium supplements are primarily used to replenish the body's required calcium, aiding in maintaining bone development, nerve conduction, and heart health. Additionally, calcium has certain anti-inflammatory and immune-enhancing effects, but these actions do not directly target cough symptoms.
Dry cough is usually caused by respiratory infections, allergic reactions, bronchitis, and is not directly related to calcium levels in the body. Therefore, calcium supplements do not have the effect of relieving cough or removing phlegm to treat dry cough. Treating dry cough should be directed by a doctor according to the specific cause, for example, using antibiotics, antiviral drugs, or antihistamines.
During the treatment of dry cough, attention should be paid to keeping indoor air fresh, avoiding inhalation of irritant gases, ensuring adequate rest, and drinking plenty of water to aid in recovery.