Calc ₳ Tub

Both are used Left-apex Pneumonia, esp In pneumonia of tall people (Phos)
According to Kent they are very similar and can be used interchangeably. The third similar remedy is Sil.
According to Kent if Tub was good, but if the disease relapsed, give Calc instead, and similarly, if Calc was good and needed to be repeated, give Tub, and you can repeat this cycle many times.
Both are Children remedies (Calc in Children), (Tub in Children)
Both are good choice in TB (near Sil)

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