Sometimes, when we are getting closer to a doctor's appointment, the symptoms will disappear. I think it is because reality brain is saying, come on, these symptoms are not based in reality and that's what the doc is going to tell you. Sometimes, anxiety symptoms appear because of a given situation, either past, present, or anticipated and once the situation passes, so does the anxiety and the symptoms. I would suggest a couple of following things:
1. Most definitely stop looking for symptoms because our anxiety mind will create the symptoms that it thinks we are looking for. In all likelihood, your anxiety was temporary which is not unusual. I read some place that everyone at some time in their lives may have episodic periods of anxiety that pass. If the anxiety is not intensive or of long term triggers, etc., some people have one maybe two episodes and that is it.
2. Do have a physical check up just to allow reality brain to confirm to anxiety brain that reality is that the symptoms are from anxiety brain and do not reflect anxiety. This will defuse the symptoms and put your mind at ease.
3. If you feel that you are anticipating a repeat of anxiety (sometimes this in and of itself is sufficient to trigger anxiety along the lines of self-fulfilling prophecy), do consider some work with a therapist who will help you to develop proactive management techniques to handle any suggestions of anxiety so that they do not become episodes.
4. Know that you are fortunate that you recognize that you may need some guidance in developing techniques and this you owe to yourself being grounded in reality. This goes a long way to preventing a recurrence.
I am sure that others in this forum will be able to give you more concrete suggestions because folks here are very generous in sharing their challenges and strategies . . . .let us know how you are doing, okay? Take care, kc