Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Call emergency services for:
These symptoms do not prove that scurvy is the cause, but they can signal serious bleeding, severe anemia, or another emergency.
Seek prompt medical advice if a child has unexplained limb pain, swelling, bleeding, or suddenly avoids standing or walking.
Children need assessment because bone pain and reduced movement can have several causes.
Contact a healthcare professional promptly if symptoms are worsening, prescribed replacement is not helping, or eating remains very restricted.
Arrange a medical appointment if you develop unexplained easy bruising, bleeding gums, unusual skin spots, poor wound healing, persistent fatigue, or leg pain.
This is especially important if you eat very few fruits and vegetables or have a condition that affects nutrient absorption.
Routine follow-up is also important after treatment to make sure the deficiency has been corrected.
Every sign above is quoted from the sofidex article on Scurvy. If you are not sure, err upward — it is always reasonable to be checked.