The remove condition spell allows you to remove a defined list of conditions. It does not allow you to remove afflictions. It specifies that if the condition is the result of a disease or other ongoing effect, this spell removes the condition but does not cure the disease or ongoing effect and the target can regain teh condition from that effect as normal, potentially immediately.
My question, which may have a simple answer or consensus, is this:
If you suppress the sickened from the Physical Disease track, does the target regain the sickened condition immediately or when they're due for their next saving throw and move up the disease track?
I've looking into this because my party is currently suffering from a disease that inflicts conditions.
I don't think the remove condition spell works. In the afflictions section on pg. 414 it says: "Some afflictions cause the same effects as a condition (such as sickened; see page 277). Effects that modify, prevent, or remove those conditions do not apply; only effects and immunities against the appropriate affliction apply."
To answer the question, IMHO: the target regains the sickened condition immediately.