Ask Health Experts and Get Answers to Your Health Question ASAP
This is likely to be allergic phenomenon due to dust / molds which can linger on for 48-72 hours after exposure. A cardinal sign of the bacterial sinusitis is fever which has not recurred and most of the other symptoms have been also abated. Your sinus symptoms should also go in couple of day. You may take an antiallergic, if you are not on one, already.
Please feel free for your follow up questions.