Learn Portuguese (Portugal): Tomo um comprimido para a dor.

In Portuguese, the verb tomar is specifically used for consuming things like medicine, drinks, or having breakfast. You wouldn't use levar (which means to take away or carry) or tirar (which is used for taking photos or removing things) when talking about taking a tablet.

Why is it para a dor instead of just para dor?

Portuguese often requires a definite article (a or o) before abstract nouns or general medical concepts like dor (pain). Even though in English we might just say 'for pain', Portuguese naturally includes the 'the', making it literally 'for the pain'.

Why do we use para here instead of por?

We use para because it expresses the purpose or intended goal of the tablet, which is to target the pain. The word por is generally used to talk about a cause, reason, or route, rather than a final destination or goal.

Does comprimido mean medicine in general?

No, comprimido specifically means a solid tablet or pill. If you wanted to talk about medicine in a general sense, you would use the word medicamento or remédio.