You can go to emergency room after hours or just go to whatever clinic you are assigned to and wait. I have found if you do a walk in though go about 1 in the afternoon. They won't see you until then anyhow so you wait less time.
Call them and ask for a triage nurse. They have an ER at the main VA on Indian school. They treat that sort of thing, but you need a triage nurse's referral.
There is always the Emergency Department if it is the flu
You can do a walk in at your clinic during regular hour's.
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