Dear patient thank you for your question. Yes it is quite possible for you to have had a flare up of psoriatic arthritis.Psoriatic arthritis flare-ups are unpredictable. You can feel fine one day yet experience a flare-up the next. Some people have short flare-ups while others have seemingly never-ending ones. The length of a psoriatic arthritis flare-up varies from person to person. Therefore to answer your question yes it is quite a possibilty. The way to know what causes a flare up is to it’s important to track and log the triggers that set off your symptoms. Show the log to your doctor. Finding a link or pattern between certain activities and your psoriasis flare-ups can help control your outbreaks. A few things which can lead to the flare up are: dry skin sunburn stress alcohol climate: a lack of sweat on the skin is the main culprit Drugs that can worsen psoriasis include antimalarial drugs, certain beta blockers that treat high blood pressure and some heart conditions, and lithium Gluten Throat infections I hope this helped